Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 7 May 2020 03:53:22 +0000 (20:53 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 7 May 2020 03:53:22 +0000 (20:53 -0700)
Pull networking fixes from David Miller:

 1) Fix reference count leaks in various parts of batman-adv, from Xiyu
    Yang.

 2) Update NAT checksum even when it is zero, from Guillaume Nault.

 3) sk_psock reference count leak in tls code, also from Xiyu Yang.

 4) Sanity check TCA_FQ_CODEL_DROP_BATCH_SIZE netlink attribute in
    fq_codel, from Eric Dumazet.

 5) Fix panic in choke_reset(), also from Eric Dumazet.

 6) Fix VLAN accel handling in bnxt_fix_features(), from Michael Chan.

 7) Disallow out of range quantum values in sch_sfq, from Eric Dumazet.

 8) Fix crash in x25_disconnect(), from Yue Haibing.

 9) Don't pass pointer to local variable back to the caller in
    nf_osf_hdr_ctx_init(), from Arnd Bergmann.

10) Wireguard should use the ECN decap helper functions, from Toke
    Høiland-Jørgensen.

11) Fix command entry leak in mlx5 driver, from Moshe Shemesh.

12) Fix uninitialized variable access in mptcp's
    subflow_syn_recv_sock(), from Paolo Abeni.

13) Fix unnecessary out-of-order ingress frame ordering in macsec, from
    Scott Dial.

14) IPv6 needs to use a global serial number for dst validation just
    like ipv4, from David Ahern.

15) Fix up PTP_1588_CLOCK deps, from Clay McClure.

16) Missing NLM_F_MULTI flag in gtp driver netlink messages, from
    Yoshiyuki Kurauchi.

17) Fix a regression in that dsa user port errors should not be fatal,
    from Florian Fainelli.

18) Fix iomap leak in enetc driver, from Dejin Zheng.

19) Fix use after free in lec_arp_clear_vccs(), from Cong Wang.

20) Initialize protocol value earlier in neigh code paths when
    generating events, from Roman Mashak.

21) netdev_update_features() must be called with RTNL mutex in macsec
    driver, from Antoine Tenart.

22) Validate untrusted GSO packets even more strictly, from Willem de
    Bruijn.

23) Wireguard decrypt worker needs a cond_resched(), from Jason
    Donenfeld.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (111 commits)
  net: flow_offload: skip hw stats check for FLOW_ACTION_HW_STATS_DONT_CARE
  MAINTAINERS: put DYNAMIC INTERRUPT MODERATION in proper order
  wireguard: send/receive: use explicit unlikely branch instead of implicit coalescing
  wireguard: selftests: initalize ipv6 members to NULL to squelch clang warning
  wireguard: send/receive: cond_resched() when processing worker ringbuffers
  wireguard: socket: remove errant restriction on looping to self
  wireguard: selftests: use normal kernel stack size on ppc64
  net: ethernet: ti: am65-cpsw-nuss: fix irqs type
  ionic: Use debugfs_create_bool() to export bool
  net: dsa: Do not leave DSA master with NULL netdev_ops
  net: dsa: remove duplicate assignment in dsa_slave_add_cls_matchall_mirred
  net: stricter validation of untrusted gso packets
  seg6: fix SRH processing to comply with RFC8754
  net: mscc: ocelot: ANA_AUTOAGE_AGE_PERIOD holds a value in seconds, not ms
  net: dsa: ocelot: the MAC table on Felix is twice as large
  net: dsa: sja1105: the PTP_CLK extts input reacts on both edges
  selftests: net: tcp_mmap: fix SO_RCVLOWAT setting
  net: hsr: fix incorrect type usage for protocol variable
  net: macsec: fix rtnl locking issue
  net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
  ...

303 files changed:
Documentation/admin-guide/device-mapper/dm-integrity.rst
Documentation/admin-guide/kernel-parameters.txt
Documentation/devicetree/bindings/Makefile
Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml
Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml
Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml
Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml
Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
Documentation/devicetree/bindings/usb/usb-xhci.txt
Documentation/filesystems/debugfs.rst
MAINTAINERS
Makefile
arch/arm/crypto/chacha-glue.c
arch/arm/crypto/nhpoly1305-neon-glue.c
arch/arm/crypto/poly1305-glue.c
arch/arm64/crypto/chacha-neon-glue.c
arch/arm64/crypto/nhpoly1305-neon-glue.c
arch/arm64/crypto/poly1305-glue.c
arch/arm64/kernel/vdso/Makefile
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/setup_64.c
arch/powerpc/mm/nohash/8xx.c
arch/powerpc/platforms/Kconfig.cputype
arch/riscv/Kconfig
arch/riscv/kernel/sbi.c
arch/riscv/kernel/stacktrace.c
arch/riscv/kernel/vdso/Makefile
arch/s390/boot/uv.c
arch/s390/kernel/diag.c
arch/s390/kernel/smp.c
arch/s390/kernel/trace.c
arch/s390/kernel/uv.c
arch/s390/lib/uaccess.c
arch/s390/mm/pgalloc.c
arch/s390/pci/pci_irq.c
arch/x86/crypto/blake2s-glue.c
arch/x86/crypto/chacha_glue.c
arch/x86/crypto/nhpoly1305-avx2-glue.c
arch/x86/crypto/nhpoly1305-sse2-glue.c
arch/x86/crypto/poly1305_glue.c
arch/x86/hyperv/hv_init.c
arch/x86/include/asm/mshyperv.h
block/partitions/core.c
drivers/acpi/device_pm.c
drivers/base/firmware_loader/fallback_table.c
drivers/block/virtio_blk.c
drivers/counter/104-quad-8.c
drivers/cpufreq/intel_pstate.c
drivers/crypto/caam/caamalg.c
drivers/crypto/caam/caamhash.c
drivers/crypto/caam/caampkc.c
drivers/dma-buf/dma-buf.c
drivers/dma/Kconfig
drivers/dma/dmaengine.c
drivers/dma/dmatest.c
drivers/dma/mmp_tdma.c
drivers/dma/pch_dma.c
drivers/dma/tegra20-apb-dma.c
drivers/dma/ti/k3-psil.c
drivers/dma/xilinx/xilinx_dma.c
drivers/firmware/imx/Kconfig
drivers/fpga/dfl-pci.c
drivers/fpga/zynq-fpga.c
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
drivers/gpu/drm/amd/amdgpu/navi10_sdma_pkt_open.h
drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
drivers/gpu/drm/drm_dp_mst_topology.c
drivers/gpu/drm/drm_edid.c
drivers/gpu/drm/i915/gem/i915_gem_tiling.c
drivers/gpu/drm/i915/gem/selftests/huge_pages.c
drivers/gpu/drm/i915/gt/intel_timeline.c
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/i915/i915_vma.c
drivers/gpu/drm/qxl/qxl_cmd.c
drivers/gpu/drm/qxl/qxl_display.c
drivers/gpu/drm/qxl/qxl_draw.c
drivers/gpu/drm/qxl/qxl_image.c
drivers/gpu/drm/qxl/qxl_ioctl.c
drivers/gpu/drm/virtio/virtgpu_kms.c
drivers/hid/Kconfig
drivers/hid/hid-alps.c
drivers/hid/hid-ids.h
drivers/hid/hid-lg-g15.c
drivers/hid/hid-multitouch.c
drivers/hid/hid-quirks.c
drivers/hid/i2c-hid/i2c-hid-core.c
drivers/hid/usbhid/hid-core.c
drivers/hid/usbhid/usbhid.h
drivers/hid/wacom_sys.c
drivers/hid/wacom_wac.c
drivers/hv/hv.c
drivers/hv/hv_trace.h
drivers/hv/vmbus_drv.c
drivers/i2c/busses/i2c-amd-mp2-pci.c
drivers/i2c/busses/i2c-aspeed.c
drivers/i2c/busses/i2c-bcm-iproc.c
drivers/i2c/busses/i2c-tegra.c
drivers/iio/adc/ad7192.c
drivers/iio/adc/ad7793.c
drivers/iio/adc/stm32-adc.c
drivers/iio/adc/ti-ads8344.c
drivers/iio/adc/xilinx-xadc-core.c
drivers/iio/common/st_sensors/st_sensors_core.c
drivers/iio/dac/ad5770r.c
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
drivers/iio/industrialio-core.c
drivers/infiniband/core/cm.c
drivers/infiniband/core/rdma_core.c
drivers/infiniband/core/uverbs_main.c
drivers/infiniband/hw/i40iw/i40iw_ctrl.c
drivers/infiniband/hw/mlx4/main.c
drivers/infiniband/hw/mlx5/qp.c
drivers/infiniband/sw/rdmavt/cq.c
drivers/infiniband/sw/rdmavt/mmap.c
drivers/infiniband/sw/rdmavt/qp.c
drivers/infiniband/sw/rdmavt/srq.c
drivers/infiniband/sw/siw/siw_qp_tx.c
drivers/interconnect/qcom/bcm-voter.c
drivers/iommu/Kconfig
drivers/iommu/amd_iommu_init.c
drivers/iommu/intel-iommu.c
drivers/iommu/iommu.c
drivers/iommu/qcom_iommu.c
drivers/md/dm-mpath.c
drivers/md/dm-verity-fec.c
drivers/md/dm-writecache.c
drivers/misc/mei/pci-me.c
drivers/mmc/core/mmc_ops.c
drivers/mmc/host/cqhci.c
drivers/mmc/host/meson-mx-sdio.c
drivers/mmc/host/sdhci-msm.c
drivers/mmc/host/sdhci-pci-core.c
drivers/mmc/host/sdhci-xenon.c
drivers/nvme/host/core.c
drivers/phy/tegra/Kconfig
drivers/platform/chrome/cros_ec_sensorhub.c
drivers/platform/chrome/cros_ec_sensorhub_ring.c
drivers/platform/x86/asus-nb-wmi.c
drivers/platform/x86/intel-uncore-frequency.c
drivers/platform/x86/intel_pmc_core.c
drivers/platform/x86/intel_pmc_core.h
drivers/platform/x86/surface3_power.c
drivers/platform/x86/thinkpad_acpi.c
drivers/platform/x86/xiaomi-wmi.c
drivers/scsi/qla2xxx/qla_os.c
drivers/scsi/scsi_lib.c
drivers/staging/comedi/comedi_fops.c
drivers/staging/comedi/drivers/dt2815.c
drivers/staging/gasket/gasket_sysfs.c
drivers/staging/gasket/gasket_sysfs.h
drivers/staging/vt6656/key.c
drivers/staging/vt6656/main_usb.c
drivers/staging/vt6656/usbpipe.c
drivers/target/target_core_iblock.c
drivers/tty/hvc/Kconfig
drivers/tty/hvc/hvc_console.c
drivers/tty/rocket.c
drivers/tty/serial/Kconfig
drivers/tty/serial/bcm63xx_uart.c
drivers/tty/serial/owl-uart.c
drivers/tty/serial/sh-sci.c
drivers/tty/serial/sunhv.c
drivers/tty/serial/xilinx_uartps.c
drivers/tty/sysrq.c
drivers/tty/vt/vt.c
drivers/usb/class/cdc-acm.c
drivers/usb/class/cdc-acm.h
drivers/usb/core/hub.c
drivers/usb/core/message.c
drivers/usb/core/quirks.c
drivers/usb/dwc3/core.h
drivers/usb/dwc3/gadget.c
drivers/usb/early/xhci-dbc.c
drivers/usb/early/xhci-dbc.h
drivers/usb/gadget/function/f_fs.c
drivers/usb/gadget/legacy/raw_gadget.c
drivers/usb/gadget/udc/atmel_usba_udc.c
drivers/usb/gadget/udc/bdc/bdc_ep.c
drivers/usb/host/xhci-hub.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/misc/sisusbvga/sisusb.c
drivers/usb/misc/sisusbvga/sisusb_init.h
drivers/usb/storage/uas.c
drivers/usb/storage/unusual_devs.h
drivers/usb/typec/bus.c
drivers/usb/typec/mux/pi3usb30532.c
drivers/usb/typec/tcpm/tcpm.c
drivers/vfio/vfio_iommu_type1.c
drivers/vhost/vsock.c
fs/btrfs/backref.c
fs/btrfs/block-group.c
fs/btrfs/discard.h
fs/btrfs/disk-io.c
fs/btrfs/relocation.c
fs/btrfs/transaction.c
fs/btrfs/tree-log.c
fs/cifs/cifsglob.h
fs/cifs/connect.c
fs/cifs/misc.c
fs/cifs/smb2ops.c
fs/debugfs/file.c
fs/io_uring.c
fs/ioctl.c
fs/iomap/fiemap.c
fs/nfs/nfs3acl.c
fs/nfs/nfs4proc.c
fs/nfs/pnfs.c
fs/nfs/super.c
fs/ocfs2/dlmfs/dlmfs.c
fs/pnode.c
fs/super.c
include/linux/debugfs.h
include/linux/dma-buf.h
include/linux/dmaengine.h
include/linux/fs.h
include/linux/iio/iio.h
include/linux/nfs_xdr.h
include/linux/platform_data/cros_ec_sensorhub.h
include/linux/sunrpc/clnt.h
include/linux/tty.h
include/trace/events/rpcrdma.h
include/uapi/drm/amdgpu_drm.h
include/uapi/linux/bpf.h
include/uapi/linux/dlm_device.h
include/uapi/linux/dma-buf.h
include/uapi/linux/fiemap.h
include/uapi/linux/hyperv.h
include/uapi/linux/if_arcnet.h
include/uapi/linux/mmc/ioctl.h
include/uapi/linux/net_dropmon.h
include/uapi/linux/netfilter_bridge/ebt_among.h
include/uapi/scsi/scsi_bsg_fc.h
kernel/power/hibernate.c
lib/kunit/test.c
lib/mpi/longlong.h
net/sunrpc/clnt.c
net/sunrpc/xprtrdma/rpc_rdma.c
net/sunrpc/xprtrdma/verbs.c
scripts/gcc-plugins/Makefile
scripts/gcc-plugins/gcc-common.h
scripts/gcc-plugins/stackleak_plugin.c
scripts/kallsyms.c
security/selinux/hooks.c
security/selinux/ss/conditional.c
sound/core/oss/pcm_plugin.c
sound/isa/opti9xx/miro.c
sound/isa/opti9xx/opti92x-ad1848.c
sound/pci/hda/hda_intel.c
sound/pci/hda/patch_hdmi.c
sound/pci/hda/patch_realtek.c
sound/usb/line6/podhd.c
sound/usb/quirks.c
tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc
tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
tools/testing/selftests/ftrace/test.d/functions
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
tools/testing/selftests/gpio/Makefile
tools/testing/selftests/intel_pstate/Makefile
tools/testing/selftests/kselftest_deps.sh [new file with mode: 0755]
tools/testing/selftests/memfd/Makefile

index c00f9f1..8439d2a 100644 (file)
@@ -182,12 +182,15 @@ fix_padding
        space-efficient. If this option is not present, large padding is
        used - that is for compatibility with older kernels.
 
-
-The journal mode (D/J), buffer_sectors, journal_watermark, commit_time can
-be changed when reloading the target (load an inactive table and swap the
-tables with suspend and resume). The other arguments should not be changed
-when reloading the target because the layout of disk data depend on them
-and the reloaded target would be non-functional.
+allow_discards
+       Allow block discard requests (a.k.a. TRIM) for the integrity device.
+       Discards are only allowed to devices using internal hash.
+
+The journal mode (D/J), buffer_sectors, journal_watermark, commit_time and
+allow_discards can be changed when reloading the target (load an inactive
+table and swap the tables with suspend and resume). The other arguments
+should not be changed when reloading the target because the layout of disk
+data depend on them and the reloaded target would be non-functional.
 
 
 The layout of the formatted block device:
index f2a93c8..7bc83f3 100644 (file)
 
        usbcore.old_scheme_first=
                        [USB] Start with the old device initialization
-                       scheme,  applies only to low and full-speed devices
-                        (default 0 = off).
+                       scheme (default 0 = off).
 
        usbcore.usbfs_memory_mb=
                        [USB] Memory limit (in MB) for buffers allocated by
index 1df680d..7782d99 100644 (file)
@@ -2,6 +2,7 @@
 DT_DOC_CHECKER ?= dt-doc-validate
 DT_EXTRACT_EX ?= dt-extract-example
 DT_MK_SCHEMA ?= dt-mk-schema
+DT_MK_SCHEMA_USERONLY_FLAG := $(if $(DT_SCHEMA_FILES), -u)
 
 quiet_cmd_chk_binding = CHKDT   $(patsubst $(srctree)/%,%,$<)
       cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
@@ -13,16 +14,18 @@ $(obj)/%.example.dts: $(src)/%.yaml FORCE
 # Use full schemas when checking %.example.dts
 DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
 
+find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
+               -name 'processed-schema*' ! \
+               -name '*.example.dt.yaml' \)
+
 quiet_cmd_mk_schema = SCHEMA  $@
-      cmd_mk_schema = $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) -o $@ $(real-prereqs)
+      cmd_mk_schema = rm -f $@ ; \
+                      $(if $(DT_MK_SCHEMA_FLAGS), \
+                           echo $(real-prereqs), \
+                           $(find_cmd)) | \
+                      xargs $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) >> $@
 
-DT_DOCS = $(addprefix $(src)/, \
-       $(shell \
-       cd $(srctree)/$(src) && \
-       find * \( -name '*.yaml' ! \
-               -name 'processed-schema*' ! \
-               -name '*.example.dt.yaml' \) \
-       ))
+DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
 
 DT_SCHEMA_FILES ?= $(DT_DOCS)
 
@@ -37,7 +40,7 @@ override DTC_FLAGS := \
 $(obj)/processed-schema-examples.yaml: $(DT_DOCS) FORCE
        $(call if_changed,mk_schema)
 
-$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
+$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := $(DT_MK_SCHEMA_USERONLY_FLAG)
 $(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) FORCE
        $(call if_changed,mk_schema)
 
index 86cfb59..371f187 100644 (file)
@@ -22,9 +22,7 @@ properties:
     const: socionext,uniphier-xdmac
 
   reg:
-    items:
-      - description: XDMAC base register region (offset and length)
-      - description: XDMAC extension register region (offset and length)
+    maxItems: 1
 
   interrupts:
     maxItems: 1
@@ -49,12 +47,13 @@ required:
   - reg
   - interrupts
   - "#dma-cells"
+  - dma-channels
 
 examples:
   - |
     xdmac: dma-controller@5fc10000 {
         compatible = "socionext,uniphier-xdmac";
-        reg = <0x5fc10000 0x1000>, <0x5fc20000 0x800>;
+        reg = <0x5fc10000 0x5300>;
         interrupts = <0 188 4>;
         #dma-cells = <2>;
         dma-channels = <16>;
index 933ba37..dd8eb15 100644 (file)
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/bindings/iio/adc/st,stm32-adc.yaml#"
+$id: "http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#"
 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
 
 title: STMicroelectronics STM32 ADC bindings
index f88d13d..be7faa6 100644 (file)
@@ -259,8 +259,6 @@ properties:
 
     additionalProperties: false
 
-  additionalProperties: false
-
 additionalProperties: false
 
 required:
index 144ae29..f8bd28f 100644 (file)
@@ -97,7 +97,7 @@ then:
         - $ref: /schemas/types.yaml#/definitions/uint32
         - minimum: 0
           maximum: 63
-          default: 0
+          default: 32
 
     qcom,charge-ctrl-value:
      description:
@@ -130,7 +130,7 @@ then:
         - $ref: /schemas/types.yaml#/definitions/uint32
         - minimum: 0
           maximum: 3
-          default: 2
+          default: 0
 
     qcom,preemphasis-width:
       description:
@@ -152,7 +152,7 @@ then:
         - $ref: /schemas/types.yaml#/definitions/uint32
         - minimum: 0
           maximum: 3
-          default: 0
+          default: 1
 
 required:
   - compatible
index f0acce2..3b019fa 100644 (file)
@@ -37,7 +37,6 @@ properties:
         type: object
 
     additionalProperties: false
-  additionalProperties: false
 
 required:
   - compatible
index a682af0..ae6e7ab 100644 (file)
@@ -75,7 +75,8 @@ properties:
             description: |
               disables over voltage protection of this buck
 
-      additionalProperties: false
+        unevaluatedProperties: false
+
     additionalProperties: false
 
 required:
index 71ce032..1e52daf 100644 (file)
@@ -35,6 +35,8 @@ patternProperties:
         description:
           should be "ldo1", ..., "ldo7"
 
+    unevaluatedProperties: false
+
   "^BUCK[1-7]$":
     type: object
     allOf:
@@ -103,5 +105,7 @@ patternProperties:
 
     required:
       - regulator-name
-  additionalProperties: false
+
+    unevaluatedProperties: false
+
 additionalProperties: false
index a323b16..543d4b5 100644 (file)
@@ -41,6 +41,8 @@ patternProperties:
         description:
           should be "ldo1", ..., "ldo7"
 
+    unevaluatedProperties: false
+
   "^BUCK[1-8]$":
     type: object
     allOf:
@@ -99,5 +101,7 @@ patternProperties:
 
     required:
       - regulator-name
-  additionalProperties: false
+
+    unevaluatedProperties: false
+
 additionalProperties: false
index 526fd00..d797cc2 100644 (file)
@@ -40,6 +40,8 @@ patternProperties:
         description:
           should be "ldo1", ..., "ldo6"
 
+    unevaluatedProperties: false
+
   "^BUCK[1-6]$":
     type: object
     allOf:
@@ -93,5 +95,7 @@ patternProperties:
 
     required:
       - regulator-name
-  additionalProperties: false
+
+    unevaluatedProperties: false
+
 additionalProperties: false
index 92d8631..031452a 100644 (file)
@@ -18,6 +18,7 @@ properties:
           - renesas,r8a774c0-usb3-peri # RZ/G2E
           - renesas,r8a7795-usb3-peri  # R-Car H3
           - renesas,r8a7796-usb3-peri  # R-Car M3-W
+          - renesas,r8a77961-usb3-peri # R-Car M3-W+
           - renesas,r8a77965-usb3-peri # R-Car M3-N
           - renesas,r8a77990-usb3-peri # R-Car E3
       - const: renesas,rcar-gen3-usb3-peri
index 469affa..a7ae955 100644 (file)
@@ -40,6 +40,7 @@ properties:
               - renesas,usbhs-r8a774c0 # RZ/G2E
               - renesas,usbhs-r8a7795  # R-Car H3
               - renesas,usbhs-r8a7796  # R-Car M3-W
+              - renesas,usbhs-r8a77961 # R-Car M3-W+
               - renesas,usbhs-r8a77965 # R-Car M3-N
               - renesas,usbhs-r8a77990 # R-Car E3
               - renesas,usbhs-r8a77995 # R-Car D3
index 3f37895..dc025f1 100644 (file)
@@ -16,7 +16,8 @@ Required properties:
     - "renesas,xhci-r8a7791" for r8a7791 SoC
     - "renesas,xhci-r8a7793" for r8a7793 SoC
     - "renesas,xhci-r8a7795" for r8a7795 SoC
-    - "renesas,xhci-r8a7796" for r8a7796 SoC
+    - "renesas,xhci-r8a7796" for r8a77960 SoC
+    - "renesas,xhci-r8a77961" for r8a77961 SoC
     - "renesas,xhci-r8a77965" for r8a77965 SoC
     - "renesas,xhci-r8a77990" for r8a77990 SoC
     - "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
index db9ea08..6c032db 100644 (file)
@@ -79,8 +79,8 @@ created with any of::
                           struct dentry *parent, u8 *value);
     void debugfs_create_u16(const char *name, umode_t mode,
                            struct dentry *parent, u16 *value);
-    struct dentry *debugfs_create_u32(const char *name, umode_t mode,
-                                     struct dentry *parent, u32 *value);
+    void debugfs_create_u32(const char *name, umode_t mode,
+                           struct dentry *parent, u32 *value);
     void debugfs_create_u64(const char *name, umode_t mode,
                            struct dentry *parent, u64 *value);
 
index 232ca4c..88bf36a 100644 (file)
@@ -570,7 +570,7 @@ F:  Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
 F:     drivers/input/misc/adxl34x.c
 
 ADXL372 THREE-AXIS DIGITAL ACCELEROMETER DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <michael.hennerich@analog.com>
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
 F:     Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml
@@ -922,7 +922,7 @@ F:  arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
 F:     drivers/net/ethernet/amd/xgbe/
 
 ANALOG DEVICES INC AD5686 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 L:     linux-pm@vger.kernel.org
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -930,7 +930,7 @@ F:  drivers/iio/dac/ad5686*
 F:     drivers/iio/dac/ad5696*
 
 ANALOG DEVICES INC AD5758 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 L:     linux-iio@vger.kernel.org
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -946,7 +946,7 @@ F:  Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml
 F:     drivers/iio/adc/ad7091r5.c
 
 ANALOG DEVICES INC AD7124 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 L:     linux-iio@vger.kernel.org
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -970,7 +970,7 @@ F:  Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
 F:     drivers/iio/adc/ad7292.c
 
 ANALOG DEVICES INC AD7606 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 M:     Beniamin Bia <beniamin.bia@analog.com>
 L:     linux-iio@vger.kernel.org
 S:     Supported
@@ -979,7 +979,7 @@ F:  Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
 F:     drivers/iio/adc/ad7606.c
 
 ANALOG DEVICES INC AD7768-1 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 L:     linux-iio@vger.kernel.org
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -1040,7 +1040,7 @@ F:        Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
 F:     drivers/hwmon/adm1177.c
 
 ANALOG DEVICES INC ADP5061 DRIVER
-M:     Stefan Popa <stefan.popa@analog.com>
+M:     Michael Hennerich <Michael.Hennerich@analog.com>
 L:     linux-pm@vger.kernel.org
 S:     Supported
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -1109,7 +1109,6 @@ F:        drivers/iio/amplifiers/hmc425a.c
 ANALOG DEVICES INC IIO DRIVERS
 M:     Lars-Peter Clausen <lars@metafoo.de>
 M:     Michael Hennerich <Michael.Hennerich@analog.com>
-M:     Stefan Popa <stefan.popa@analog.com>
 S:     Supported
 W:     http://wiki.analog.com/
 W:     http://ez.analog.com/community/linux-device-drivers
@@ -3658,7 +3657,7 @@ L:        linux-btrfs@vger.kernel.org
 S:     Maintained
 W:     http://btrfs.wiki.kernel.org/
 Q:     http://patchwork.kernel.org/project/linux-btrfs/list/
-T:     git git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git
 F:     Documentation/filesystems/btrfs.rst
 F:     fs/btrfs/
 F:     include/linux/btrfs*
index 49b2709..3512f7b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 7
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc4
 NAME = Kleptomaniac Octopus
 
 # *DOCUMENTATION*
index 6fdb0ac..59da6c0 100644 (file)
@@ -91,9 +91,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
                return;
        }
 
-       kernel_neon_begin();
-       chacha_doneon(state, dst, src, bytes, nrounds);
-       kernel_neon_end();
+       do {
+               unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+               kernel_neon_begin();
+               chacha_doneon(state, dst, src, todo, nrounds);
+               kernel_neon_end();
+
+               bytes -= todo;
+               src += todo;
+               dst += todo;
+       } while (bytes);
 }
 EXPORT_SYMBOL(chacha_crypt_arch);
 
index ae5aefc..ffa8d73 100644 (file)
@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
                return crypto_nhpoly1305_update(desc, src, srclen);
 
        do {
-               unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+               unsigned int n = min_t(unsigned int, srclen, SZ_4K);
 
                kernel_neon_begin();
                crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon);
index ceec04e..13cfef4 100644 (file)
@@ -160,13 +160,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
                unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE);
 
                if (static_branch_likely(&have_neon) && do_neon) {
-                       kernel_neon_begin();
-                       poly1305_blocks_neon(&dctx->h, src, len, 1);
-                       kernel_neon_end();
+                       do {
+                               unsigned int todo = min_t(unsigned int, len, SZ_4K);
+
+                               kernel_neon_begin();
+                               poly1305_blocks_neon(&dctx->h, src, todo, 1);
+                               kernel_neon_end();
+
+                               len -= todo;
+                               src += todo;
+                       } while (len);
                } else {
                        poly1305_blocks_arm(&dctx->h, src, len, 1);
+                       src += len;
                }
-               src += len;
                nbytes %= POLY1305_BLOCK_SIZE;
        }
 
index 37ca3e8..af2bbca 100644 (file)
@@ -87,9 +87,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
            !crypto_simd_usable())
                return chacha_crypt_generic(state, dst, src, bytes, nrounds);
 
-       kernel_neon_begin();
-       chacha_doneon(state, dst, src, bytes, nrounds);
-       kernel_neon_end();
+       do {
+               unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+               kernel_neon_begin();
+               chacha_doneon(state, dst, src, todo, nrounds);
+               kernel_neon_end();
+
+               bytes -= todo;
+               src += todo;
+               dst += todo;
+       } while (bytes);
 }
 EXPORT_SYMBOL(chacha_crypt_arch);
 
index 895d372..c5405e6 100644 (file)
@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
                return crypto_nhpoly1305_update(desc, src, srclen);
 
        do {
-               unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+               unsigned int n = min_t(unsigned int, srclen, SZ_4K);
 
                kernel_neon_begin();
                crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon);
index e97b092..f33ada7 100644 (file)
@@ -143,13 +143,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
                unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE);
 
                if (static_branch_likely(&have_neon) && crypto_simd_usable()) {
-                       kernel_neon_begin();
-                       poly1305_blocks_neon(&dctx->h, src, len, 1);
-                       kernel_neon_end();
+                       do {
+                               unsigned int todo = min_t(unsigned int, len, SZ_4K);
+
+                               kernel_neon_begin();
+                               poly1305_blocks_neon(&dctx->h, src, todo, 1);
+                               kernel_neon_end();
+
+                               len -= todo;
+                               src += todo;
+                       } while (len);
                } else {
                        poly1305_blocks(&dctx->h, src, len, 1);
+                       src += len;
                }
-               src += len;
                nbytes %= POLY1305_BLOCK_SIZE;
        }
 
index dd2514b..3862cad 100644 (file)
@@ -32,7 +32,7 @@ UBSAN_SANITIZE                        := n
 OBJECT_FILES_NON_STANDARD      := y
 KCOV_INSTRUMENT                        := n
 
-CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny
+CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -fasynchronous-unwind-tables
 
 ifneq ($(c-gettimeofday-y),)
   CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y)
index a6371fb..8420abd 100644 (file)
@@ -732,7 +732,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_SPE)
        stw     r10,_CCR(r1)
        stw     r1,KSP(r3)      /* Set old stack pointer */
 
-       kuap_check r2, r4
+       kuap_check r2, r0
 #ifdef CONFIG_SMP
        /* We need a sync somewhere here to make sure that if the
         * previous task gets rescheduled on another CPU, it sees all
index 438a9be..8105010 100644 (file)
@@ -534,6 +534,8 @@ static bool __init parse_cache_info(struct device_node *np,
        lsizep = of_get_property(np, propnames[3], NULL);
        if (bsizep == NULL)
                bsizep = lsizep;
+       if (lsizep == NULL)
+               lsizep = bsizep;
        if (lsizep != NULL)
                lsize = be32_to_cpu(*lsizep);
        if (bsizep != NULL)
index 3189308..d83a12c 100644 (file)
@@ -185,6 +185,7 @@ void mmu_mark_initmem_nx(void)
                        mmu_mapin_ram_chunk(etext8, einittext8, PAGE_KERNEL);
                }
        }
+       _tlbil_all();
 }
 
 #ifdef CONFIG_STRICT_KERNEL_RWX
@@ -199,6 +200,8 @@ void mmu_mark_rodata_ro(void)
                                      ~(LARGE_PAGE_SIZE_8M - 1)));
        mmu_patch_addis(&patch__dtlbmiss_romem_top, -__pa(_sinittext));
 
+       _tlbil_all();
+
        /* Update page tables for PTDUMP and BDI */
        mmu_mapin_ram_chunk(0, sinittext, __pgprot(0));
        mmu_mapin_ram_chunk(0, etext, PAGE_KERNEL_ROX);
index 0c3c190..27a81c2 100644 (file)
@@ -397,7 +397,7 @@ config PPC_KUAP
 
 config PPC_KUAP_DEBUG
        bool "Extra debugging for Kernel Userspace Access Protection"
-       depends on PPC_KUAP && (PPC_RADIX_MMU || PPC_32)
+       depends on PPC_KUAP && (PPC_RADIX_MMU || PPC32)
        help
          Add extra debugging for Kernel Userspace Access Protection (KUAP)
          If you're unsure, say N.
index 62f7bfe..74f82cf 100644 (file)
@@ -60,7 +60,7 @@ config RISCV
        select ARCH_HAS_GIGANTIC_PAGE
        select ARCH_HAS_SET_DIRECT_MAP
        select ARCH_HAS_SET_MEMORY
-       select ARCH_HAS_STRICT_KERNEL_RWX
+       select ARCH_HAS_STRICT_KERNEL_RWX if MMU
        select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
        select SPARSEMEM_STATIC if 32BIT
        select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
index 7c24da5..f383ef5 100644 (file)
@@ -102,7 +102,7 @@ void sbi_shutdown(void)
 {
        sbi_ecall(SBI_EXT_0_1_SHUTDOWN, 0, 0, 0, 0, 0, 0, 0);
 }
-EXPORT_SYMBOL(sbi_set_timer);
+EXPORT_SYMBOL(sbi_shutdown);
 
 /**
  * sbi_clear_ipi() - Clear any pending IPIs for the calling hart.
@@ -113,7 +113,7 @@ void sbi_clear_ipi(void)
 {
        sbi_ecall(SBI_EXT_0_1_CLEAR_IPI, 0, 0, 0, 0, 0, 0, 0);
 }
-EXPORT_SYMBOL(sbi_shutdown);
+EXPORT_SYMBOL(sbi_clear_ipi);
 
 /**
  * sbi_set_timer_v01() - Program the timer for next timer event.
@@ -167,6 +167,11 @@ static int __sbi_rfence_v01(int fid, const unsigned long *hart_mask,
 
        return result;
 }
+
+static void sbi_set_power_off(void)
+{
+       pm_power_off = sbi_shutdown;
+}
 #else
 static void __sbi_set_timer_v01(uint64_t stime_value)
 {
@@ -191,6 +196,8 @@ static int __sbi_rfence_v01(int fid, const unsigned long *hart_mask,
 
        return 0;
 }
+
+static void sbi_set_power_off(void) {}
 #endif /* CONFIG_RISCV_SBI_V01 */
 
 static void __sbi_set_timer_v02(uint64_t stime_value)
@@ -540,16 +547,12 @@ static inline long sbi_get_firmware_version(void)
        return __sbi_base_ecall(SBI_EXT_BASE_GET_IMP_VERSION);
 }
 
-static void sbi_power_off(void)
-{
-       sbi_shutdown();
-}
 
 int __init sbi_init(void)
 {
        int ret;
 
-       pm_power_off = sbi_power_off;
+       sbi_set_power_off();
        ret = sbi_get_spec_version();
        if (ret > 0)
                sbi_spec_version = ret;
index 02087fe..6c85487 100644 (file)
@@ -12,6 +12,8 @@
 #include <linux/stacktrace.h>
 #include <linux/ftrace.h>
 
+register unsigned long sp_in_global __asm__("sp");
+
 #ifdef CONFIG_FRAME_POINTER
 
 struct stackframe {
@@ -19,8 +21,6 @@ struct stackframe {
        unsigned long ra;
 };
 
-register unsigned long sp_in_global __asm__("sp");
-
 void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
                             bool (*fn)(unsigned long, void *), void *arg)
 {
index 33b16f4..a4ee3a0 100644 (file)
@@ -33,15 +33,15 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
        $(call if_changed,vdsold)
 
 # We also create a special relocatable object that should mirror the symbol
-# table and layout of the linked DSO.  With ld -R we can then refer to
-# these symbols in the kernel code rather than hand-coded addresses.
+# table and layout of the linked DSO. With ld --just-symbols we can then
+# refer to these symbols in the kernel code rather than hand-coded addresses.
 
 SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
        -Wl,--build-id -Wl,--hash-style=both
 $(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE
        $(call if_changed,vdsold)
 
-LDFLAGS_vdso-syms.o := -r -R
+LDFLAGS_vdso-syms.o := -r --just-symbols
 $(obj)/vdso-syms.o: $(obj)/vdso-dummy.o FORCE
        $(call if_changed,ld)
 
index 8fde561..f887a47 100644 (file)
@@ -7,9 +7,7 @@
 #ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST
 int __bootdata_preserved(prot_virt_guest);
 #endif
-#if IS_ENABLED(CONFIG_KVM)
 struct uv_info __bootdata_preserved(uv_info);
-#endif
 
 void uv_query_info(void)
 {
index 61f2b04..ccba63a 100644 (file)
@@ -133,7 +133,7 @@ void diag_stat_inc(enum diag_stat_enum nr)
 }
 EXPORT_SYMBOL(diag_stat_inc);
 
-void diag_stat_inc_norecursion(enum diag_stat_enum nr)
+void notrace diag_stat_inc_norecursion(enum diag_stat_enum nr)
 {
        this_cpu_inc(diag_stat.counter[nr]);
        trace_s390_diagnose_norecursion(diag_map[nr].code);
index 7eaabba..10dbb12 100644 (file)
@@ -403,7 +403,7 @@ int smp_find_processor_id(u16 address)
        return -1;
 }
 
-bool arch_vcpu_is_preempted(int cpu)
+bool notrace arch_vcpu_is_preempted(int cpu)
 {
        if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu))
                return false;
@@ -413,7 +413,7 @@ bool arch_vcpu_is_preempted(int cpu)
 }
 EXPORT_SYMBOL(arch_vcpu_is_preempted);
 
-void smp_yield_cpu(int cpu)
+void notrace smp_yield_cpu(int cpu)
 {
        if (!MACHINE_HAS_DIAG9C)
                return;
index 490b52e..11a669f 100644 (file)
@@ -14,7 +14,7 @@ EXPORT_TRACEPOINT_SYMBOL(s390_diagnose);
 
 static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth);
 
-void trace_s390_diagnose_norecursion(int diag_nr)
+void notrace trace_s390_diagnose_norecursion(int diag_nr)
 {
        unsigned long flags;
        unsigned int *depth;
index c86d654..4c0677f 100644 (file)
 int __bootdata_preserved(prot_virt_guest);
 #endif
 
+struct uv_info __bootdata_preserved(uv_info);
+
 #if IS_ENABLED(CONFIG_KVM)
 int prot_virt_host;
 EXPORT_SYMBOL(prot_virt_host);
-struct uv_info __bootdata_preserved(uv_info);
 EXPORT_SYMBOL(uv_info);
 
 static int __init prot_virt_setup(char *val)
index c4f8039..0267405 100644 (file)
@@ -64,10 +64,13 @@ mm_segment_t enable_sacf_uaccess(void)
 {
        mm_segment_t old_fs;
        unsigned long asce, cr;
+       unsigned long flags;
 
        old_fs = current->thread.mm_segment;
        if (old_fs & 1)
                return old_fs;
+       /* protect against a concurrent page table upgrade */
+       local_irq_save(flags);
        current->thread.mm_segment |= 1;
        asce = S390_lowcore.kernel_asce;
        if (likely(old_fs == USER_DS)) {
@@ -83,6 +86,7 @@ mm_segment_t enable_sacf_uaccess(void)
                __ctl_load(asce, 7, 7);
                set_cpu_flag(CIF_ASCE_SECONDARY);
        }
+       local_irq_restore(flags);
        return old_fs;
 }
 EXPORT_SYMBOL(enable_sacf_uaccess);
index 498c98a..fff169d 100644 (file)
@@ -70,8 +70,20 @@ static void __crst_table_upgrade(void *arg)
 {
        struct mm_struct *mm = arg;
 
-       if (current->active_mm == mm)
-               set_user_asce(mm);
+       /* we must change all active ASCEs to avoid the creation of new TLBs */
+       if (current->active_mm == mm) {
+               S390_lowcore.user_asce = mm->context.asce;
+               if (current->thread.mm_segment == USER_DS) {
+                       __ctl_load(S390_lowcore.user_asce, 1, 1);
+                       /* Mark user-ASCE present in CR1 */
+                       clear_cpu_flag(CIF_ASCE_PRIMARY);
+               }
+               if (current->thread.mm_segment == USER_DS_SACF) {
+                       __ctl_load(S390_lowcore.user_asce, 7, 7);
+                       /* enable_sacf_uaccess does all or nothing */
+                       WARN_ON(!test_cpu_flag(CIF_ASCE_SECONDARY));
+               }
+       }
        __tlb_flush_local();
 }
 
index fbe97ab..743f257 100644 (file)
@@ -115,7 +115,6 @@ static struct irq_chip zpci_irq_chip = {
        .name = "PCI-MSI",
        .irq_unmask = pci_msi_unmask_irq,
        .irq_mask = pci_msi_mask_irq,
-       .irq_set_affinity = zpci_set_irq_affinity,
 };
 
 static void zpci_handle_cpu_local_irq(bool rescan)
@@ -276,7 +275,9 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
                rc = -EIO;
                if (hwirq - bit >= msi_vecs)
                        break;
-               irq = __irq_alloc_descs(-1, 0, 1, 0, THIS_MODULE, msi->affinity);
+               irq = __irq_alloc_descs(-1, 0, 1, 0, THIS_MODULE,
+                               (irq_delivery == DIRECTED) ?
+                               msi->affinity : NULL);
                if (irq < 0)
                        return -ENOMEM;
                rc = irq_set_msi_desc(irq, msi);
index 06ef2d4..6737bce 100644 (file)
@@ -32,16 +32,16 @@ void blake2s_compress_arch(struct blake2s_state *state,
                           const u32 inc)
 {
        /* SIMD disables preemption, so relax after processing each page. */
-       BUILD_BUG_ON(PAGE_SIZE / BLAKE2S_BLOCK_SIZE < 8);
+       BUILD_BUG_ON(SZ_4K / BLAKE2S_BLOCK_SIZE < 8);
 
        if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) {
                blake2s_compress_generic(state, block, nblocks, inc);
                return;
        }
 
-       for (;;) {
+       do {
                const size_t blocks = min_t(size_t, nblocks,
-                                           PAGE_SIZE / BLAKE2S_BLOCK_SIZE);
+                                           SZ_4K / BLAKE2S_BLOCK_SIZE);
 
                kernel_fpu_begin();
                if (IS_ENABLED(CONFIG_AS_AVX512) &&
@@ -52,10 +52,8 @@ void blake2s_compress_arch(struct blake2s_state *state,
                kernel_fpu_end();
 
                nblocks -= blocks;
-               if (!nblocks)
-                       break;
                block += blocks * BLAKE2S_BLOCK_SIZE;
-       }
+       } while (nblocks);
 }
 EXPORT_SYMBOL(blake2s_compress_arch);
 
index b412c21..2225009 100644 (file)
@@ -153,9 +153,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
            bytes <= CHACHA_BLOCK_SIZE)
                return chacha_crypt_generic(state, dst, src, bytes, nrounds);
 
-       kernel_fpu_begin();
-       chacha_dosimd(state, dst, src, bytes, nrounds);
-       kernel_fpu_end();
+       do {
+               unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+               kernel_fpu_begin();
+               chacha_dosimd(state, dst, src, todo, nrounds);
+               kernel_fpu_end();
+
+               bytes -= todo;
+               src += todo;
+               dst += todo;
+       } while (bytes);
 }
 EXPORT_SYMBOL(chacha_crypt_arch);
 
index f7567cb..80fcb85 100644 (file)
@@ -29,7 +29,7 @@ static int nhpoly1305_avx2_update(struct shash_desc *desc,
                return crypto_nhpoly1305_update(desc, src, srclen);
 
        do {
-               unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+               unsigned int n = min_t(unsigned int, srclen, SZ_4K);
 
                kernel_fpu_begin();
                crypto_nhpoly1305_update_helper(desc, src, n, _nh_avx2);
index a661ede..cc6b7c1 100644 (file)
@@ -29,7 +29,7 @@ static int nhpoly1305_sse2_update(struct shash_desc *desc,
                return crypto_nhpoly1305_update(desc, src, srclen);
 
        do {
-               unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+               unsigned int n = min_t(unsigned int, srclen, SZ_4K);
 
                kernel_fpu_begin();
                crypto_nhpoly1305_update_helper(desc, src, n, _nh_sse2);
index 6dfec19..dfe921e 100644 (file)
@@ -91,8 +91,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
        struct poly1305_arch_internal *state = ctx;
 
        /* SIMD disables preemption, so relax after processing each page. */
-       BUILD_BUG_ON(PAGE_SIZE < POLY1305_BLOCK_SIZE ||
-                    PAGE_SIZE % POLY1305_BLOCK_SIZE);
+       BUILD_BUG_ON(SZ_4K < POLY1305_BLOCK_SIZE ||
+                    SZ_4K % POLY1305_BLOCK_SIZE);
 
        if (!static_branch_likely(&poly1305_use_avx) ||
            (len < (POLY1305_BLOCK_SIZE * 18) && !state->is_base2_26) ||
@@ -102,8 +102,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
                return;
        }
 
-       for (;;) {
-               const size_t bytes = min_t(size_t, len, PAGE_SIZE);
+       do {
+               const size_t bytes = min_t(size_t, len, SZ_4K);
 
                kernel_fpu_begin();
                if (IS_ENABLED(CONFIG_AS_AVX512) && static_branch_likely(&poly1305_use_avx512))
@@ -113,11 +113,10 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
                else
                        poly1305_blocks_avx(ctx, inp, bytes, padbit);
                kernel_fpu_end();
+
                len -= bytes;
-               if (!len)
-                       break;
                inp += bytes;
-       }
+       } while (len);
 }
 
 static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE],
index 624f5d9..fd51bac 100644 (file)
@@ -73,7 +73,8 @@ static int hv_cpu_init(unsigned int cpu)
        struct page *pg;
 
        input_arg = (void **)this_cpu_ptr(hyperv_pcpu_input_arg);
-       pg = alloc_page(GFP_KERNEL);
+       /* hv_cpu_init() can be called with IRQs disabled from hv_resume() */
+       pg = alloc_page(irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
        if (unlikely(!pg))
                return -ENOMEM;
        *input_arg = page_address(pg);
@@ -254,6 +255,7 @@ static int __init hv_pci_init(void)
 static int hv_suspend(void)
 {
        union hv_x64_msr_hypercall_contents hypercall_msr;
+       int ret;
 
        /*
         * Reset the hypercall page as it is going to be invalidated
@@ -270,12 +272,17 @@ static int hv_suspend(void)
        hypercall_msr.enable = 0;
        wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
 
-       return 0;
+       ret = hv_cpu_die(0);
+       return ret;
 }
 
 static void hv_resume(void)
 {
        union hv_x64_msr_hypercall_contents hypercall_msr;
+       int ret;
+
+       ret = hv_cpu_init(0);
+       WARN_ON(ret);
 
        /* Re-enable the hypercall page */
        rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
@@ -288,6 +295,7 @@ static void hv_resume(void)
        hv_hypercall_pg_saved = NULL;
 }
 
+/* Note: when the ops are called, only CPU0 is online and IRQs are disabled. */
 static struct syscore_ops hv_syscore_ops = {
        .suspend        = hv_suspend,
        .resume         = hv_resume,
index 1c42ecb..d30805e 100644 (file)
@@ -35,6 +35,8 @@ typedef int (*hyperv_fill_flush_list_func)(
        rdmsrl(HV_X64_MSR_SINT0 + int_num, val)
 #define hv_set_synint_state(int_num, val) \
        wrmsrl(HV_X64_MSR_SINT0 + int_num, val)
+#define hv_recommend_using_aeoi() \
+       (!(ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED))
 
 #define hv_get_crash_ctl(val) \
        rdmsrl(HV_X64_MSR_CRASH_CTL, val)
index bc1ded1..9ef48a8 100644 (file)
@@ -496,7 +496,7 @@ int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev)
 
        if (!disk_part_scan_enabled(disk))
                return 0;
-       if (bdev->bd_part_count || bdev->bd_openers > 1)
+       if (bdev->bd_part_count)
                return -EBUSY;
        res = invalidate_partition(disk, 0);
        if (res)
index b2263ec..5832bc1 100644 (file)
@@ -273,13 +273,13 @@ int acpi_device_set_power(struct acpi_device *device, int state)
  end:
        if (result) {
                dev_warn(&device->dev, "Failed to change power state to %s\n",
-                        acpi_power_state_string(state));
+                        acpi_power_state_string(target_state));
        } else {
                device->power.state = target_state;
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                  "Device [%s] transitioned to %s\n",
                                  device->pnp.bus_id,
-                                 acpi_power_state_string(state)));
+                                 acpi_power_state_string(target_state)));
        }
 
        return result;
index ba9d30b..a182e31 100644 (file)
@@ -45,5 +45,4 @@ struct ctl_table firmware_config_table[] = {
        },
        { }
 };
-EXPORT_SYMBOL_GPL(firmware_config_table);
 #endif
index 93468b7..9d21bf0 100644 (file)
@@ -33,6 +33,15 @@ struct virtio_blk_vq {
 } ____cacheline_aligned_in_smp;
 
 struct virtio_blk {
+       /*
+        * This mutex must be held by anything that may run after
+        * virtblk_remove() sets vblk->vdev to NULL.
+        *
+        * blk-mq, virtqueue processing, and sysfs attribute code paths are
+        * shut down before vblk->vdev is set to NULL and therefore do not need
+        * to hold this mutex.
+        */
+       struct mutex vdev_mutex;
        struct virtio_device *vdev;
 
        /* The disk structure for the kernel. */
@@ -44,6 +53,13 @@ struct virtio_blk {
        /* Process context for config space updates */
        struct work_struct config_work;
 
+       /*
+        * Tracks references from block_device_operations open/release and
+        * virtio_driver probe/remove so this object can be freed once no
+        * longer in use.
+        */
+       refcount_t refs;
+
        /* What host tells us, plus 2 for header & tailer. */
        unsigned int sg_elems;
 
@@ -295,10 +311,55 @@ out:
        return err;
 }
 
+static void virtblk_get(struct virtio_blk *vblk)
+{
+       refcount_inc(&vblk->refs);
+}
+
+static void virtblk_put(struct virtio_blk *vblk)
+{
+       if (refcount_dec_and_test(&vblk->refs)) {
+               ida_simple_remove(&vd_index_ida, vblk->index);
+               mutex_destroy(&vblk->vdev_mutex);
+               kfree(vblk);
+       }
+}
+
+static int virtblk_open(struct block_device *bd, fmode_t mode)
+{
+       struct virtio_blk *vblk = bd->bd_disk->private_data;
+       int ret = 0;
+
+       mutex_lock(&vblk->vdev_mutex);
+
+       if (vblk->vdev)
+               virtblk_get(vblk);
+       else
+               ret = -ENXIO;
+
+       mutex_unlock(&vblk->vdev_mutex);
+       return ret;
+}
+
+static void virtblk_release(struct gendisk *disk, fmode_t mode)
+{
+       struct virtio_blk *vblk = disk->private_data;
+
+       virtblk_put(vblk);
+}
+
 /* We provide getgeo only to please some old bootloader/partitioning tools */
 static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 {
        struct virtio_blk *vblk = bd->bd_disk->private_data;
+       int ret = 0;
+
+       mutex_lock(&vblk->vdev_mutex);
+
+       if (!vblk->vdev) {
+               ret = -ENXIO;
+               goto out;
+       }
 
        /* see if the host passed in geometry config */
        if (virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_GEOMETRY)) {
@@ -314,11 +375,15 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
                geo->sectors = 1 << 5;
                geo->cylinders = get_capacity(bd->bd_disk) >> 11;
        }
-       return 0;
+out:
+       mutex_unlock(&vblk->vdev_mutex);
+       return ret;
 }
 
 static const struct block_device_operations virtblk_fops = {
        .owner  = THIS_MODULE,
+       .open = virtblk_open,
+       .release = virtblk_release,
        .getgeo = virtblk_getgeo,
 };
 
@@ -655,6 +720,10 @@ static int virtblk_probe(struct virtio_device *vdev)
                goto out_free_index;
        }
 
+       /* This reference is dropped in virtblk_remove(). */
+       refcount_set(&vblk->refs, 1);
+       mutex_init(&vblk->vdev_mutex);
+
        vblk->vdev = vdev;
        vblk->sg_elems = sg_elems;
 
@@ -820,8 +889,6 @@ out:
 static void virtblk_remove(struct virtio_device *vdev)
 {
        struct virtio_blk *vblk = vdev->priv;
-       int index = vblk->index;
-       int refc;
 
        /* Make sure no work handler is accessing the device. */
        flush_work(&vblk->config_work);
@@ -831,18 +898,21 @@ static void virtblk_remove(struct virtio_device *vdev)
 
        blk_mq_free_tag_set(&vblk->tag_set);
 
+       mutex_lock(&vblk->vdev_mutex);
+
        /* Stop all the virtqueues. */
        vdev->config->reset(vdev);
 
-       refc = kref_read(&disk_to_dev(vblk->disk)->kobj.kref);
+       /* Virtqueues are stopped, nothing can use vblk->vdev anymore. */
+       vblk->vdev = NULL;
+
        put_disk(vblk->disk);
        vdev->config->del_vqs(vdev);
        kfree(vblk->vqs);
-       kfree(vblk);
 
-       /* Only free device id if we don't have any users */
-       if (refc == 1)
-               ida_simple_remove(&vd_index_ida, index);
+       mutex_unlock(&vblk->vdev_mutex);
+
+       virtblk_put(vblk);
 }
 
 #ifdef CONFIG_PM_SLEEP
index 9dab190..aa13708 100644 (file)
@@ -44,6 +44,7 @@ MODULE_PARM_DESC(base, "ACCES 104-QUAD-8 base addresses");
  * @base:              base port address of the IIO device
  */
 struct quad8_iio {
+       struct mutex lock;
        struct counter_device counter;
        unsigned int fck_prescaler[QUAD8_NUM_COUNTERS];
        unsigned int preset[QUAD8_NUM_COUNTERS];
@@ -123,6 +124,8 @@ static int quad8_read_raw(struct iio_dev *indio_dev,
                /* Borrow XOR Carry effectively doubles count range */
                *val = (borrow ^ carry) << 24;
 
+               mutex_lock(&priv->lock);
+
                /* Reset Byte Pointer; transfer Counter to Output Latch */
                outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
                     base_offset + 1);
@@ -130,6 +133,8 @@ static int quad8_read_raw(struct iio_dev *indio_dev,
                for (i = 0; i < 3; i++)
                        *val |= (unsigned int)inb(base_offset) << (8 * i);
 
+               mutex_unlock(&priv->lock);
+
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_ENABLE:
                *val = priv->ab_enable[chan->channel];
@@ -160,6 +165,8 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
                if ((unsigned int)val > 0xFFFFFF)
                        return -EINVAL;
 
+               mutex_lock(&priv->lock);
+
                /* Reset Byte Pointer */
                outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
 
@@ -183,12 +190,16 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
                /* Reset Error flag */
                outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
 
+               mutex_unlock(&priv->lock);
+
                return 0;
        case IIO_CHAN_INFO_ENABLE:
                /* only boolean values accepted */
                if (val < 0 || val > 1)
                        return -EINVAL;
 
+               mutex_lock(&priv->lock);
+
                priv->ab_enable[chan->channel] = val;
 
                ior_cfg = val | priv->preset_enable[chan->channel] << 1;
@@ -196,11 +207,18 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
                /* Load I/O control configuration */
                outb(QUAD8_CTR_IOR | ior_cfg, base_offset + 1);
 
+               mutex_unlock(&priv->lock);
+
                return 0;
        case IIO_CHAN_INFO_SCALE:
+               mutex_lock(&priv->lock);
+
                /* Quadrature scaling only available in quadrature mode */
-               if (!priv->quadrature_mode[chan->channel] && (val2 || val != 1))
+               if (!priv->quadrature_mode[chan->channel] &&
+                               (val2 || val != 1)) {
+                       mutex_unlock(&priv->lock);
                        return -EINVAL;
+               }
 
                /* Only three gain states (1, 0.5, 0.25) */
                if (val == 1 && !val2)
@@ -214,11 +232,15 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
                                priv->quadrature_scale[chan->channel] = 2;
                                break;
                        default:
+                               mutex_unlock(&priv->lock);
                                return -EINVAL;
                        }
-               else
+               else {
+                       mutex_unlock(&priv->lock);
                        return -EINVAL;
+               }
 
+               mutex_unlock(&priv->lock);
                return 0;
        }
 
@@ -255,6 +277,8 @@ static ssize_t quad8_write_preset(struct iio_dev *indio_dev, uintptr_t private,
        if (preset > 0xFFFFFF)
                return -EINVAL;
 
+       mutex_lock(&priv->lock);
+
        priv->preset[chan->channel] = preset;
 
        /* Reset Byte Pointer */
@@ -264,6 +288,8 @@ static ssize_t quad8_write_preset(struct iio_dev *indio_dev, uintptr_t private,
        for (i = 0; i < 3; i++)
                outb(preset >> (8 * i), base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return len;
 }
 
@@ -293,6 +319,8 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
        /* Preset enable is active low in Input/Output Control register */
        preset_enable = !preset_enable;
 
+       mutex_lock(&priv->lock);
+
        priv->preset_enable[chan->channel] = preset_enable;
 
        ior_cfg = priv->ab_enable[chan->channel] |
@@ -301,6 +329,8 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
        /* Load I/O control configuration to Input / Output Control Register */
        outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return len;
 }
 
@@ -358,6 +388,8 @@ static int quad8_set_count_mode(struct iio_dev *indio_dev,
        unsigned int mode_cfg = cnt_mode << 1;
        const int base_offset = priv->base + 2 * chan->channel + 1;
 
+       mutex_lock(&priv->lock);
+
        priv->count_mode[chan->channel] = cnt_mode;
 
        /* Add quadrature mode configuration */
@@ -367,6 +399,8 @@ static int quad8_set_count_mode(struct iio_dev *indio_dev,
        /* Load mode configuration to Counter Mode Register */
        outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -394,19 +428,26 @@ static int quad8_set_synchronous_mode(struct iio_dev *indio_dev,
        const struct iio_chan_spec *chan, unsigned int synchronous_mode)
 {
        struct quad8_iio *const priv = iio_priv(indio_dev);
-       const unsigned int idr_cfg = synchronous_mode |
-               priv->index_polarity[chan->channel] << 1;
        const int base_offset = priv->base + 2 * chan->channel + 1;
+       unsigned int idr_cfg = synchronous_mode;
+
+       mutex_lock(&priv->lock);
+
+       idr_cfg |= priv->index_polarity[chan->channel] << 1;
 
        /* Index function must be non-synchronous in non-quadrature mode */
-       if (synchronous_mode && !priv->quadrature_mode[chan->channel])
+       if (synchronous_mode && !priv->quadrature_mode[chan->channel]) {
+               mutex_unlock(&priv->lock);
                return -EINVAL;
+       }
 
        priv->synchronous_mode[chan->channel] = synchronous_mode;
 
        /* Load Index Control configuration to Index Control Register */
        outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -434,8 +475,12 @@ static int quad8_set_quadrature_mode(struct iio_dev *indio_dev,
        const struct iio_chan_spec *chan, unsigned int quadrature_mode)
 {
        struct quad8_iio *const priv = iio_priv(indio_dev);
-       unsigned int mode_cfg = priv->count_mode[chan->channel] << 1;
        const int base_offset = priv->base + 2 * chan->channel + 1;
+       unsigned int mode_cfg;
+
+       mutex_lock(&priv->lock);
+
+       mode_cfg = priv->count_mode[chan->channel] << 1;
 
        if (quadrature_mode)
                mode_cfg |= (priv->quadrature_scale[chan->channel] + 1) << 3;
@@ -453,6 +498,8 @@ static int quad8_set_quadrature_mode(struct iio_dev *indio_dev,
        /* Load mode configuration to Counter Mode Register */
        outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -480,15 +527,20 @@ static int quad8_set_index_polarity(struct iio_dev *indio_dev,
        const struct iio_chan_spec *chan, unsigned int index_polarity)
 {
        struct quad8_iio *const priv = iio_priv(indio_dev);
-       const unsigned int idr_cfg = priv->synchronous_mode[chan->channel] |
-               index_polarity << 1;
        const int base_offset = priv->base + 2 * chan->channel + 1;
+       unsigned int idr_cfg = index_polarity << 1;
+
+       mutex_lock(&priv->lock);
+
+       idr_cfg |= priv->synchronous_mode[chan->channel];
 
        priv->index_polarity[chan->channel] = index_polarity;
 
        /* Load Index Control configuration to Index Control Register */
        outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -589,7 +641,7 @@ static int quad8_signal_read(struct counter_device *counter,
 static int quad8_count_read(struct counter_device *counter,
        struct counter_count *count, unsigned long *val)
 {
-       const struct quad8_iio *const priv = counter->priv;
+       struct quad8_iio *const priv = counter->priv;
        const int base_offset = priv->base + 2 * count->id;
        unsigned int flags;
        unsigned int borrow;
@@ -603,6 +655,8 @@ static int quad8_count_read(struct counter_device *counter,
        /* Borrow XOR Carry effectively doubles count range */
        *val = (unsigned long)(borrow ^ carry) << 24;
 
+       mutex_lock(&priv->lock);
+
        /* Reset Byte Pointer; transfer Counter to Output Latch */
        outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
             base_offset + 1);
@@ -610,13 +664,15 @@ static int quad8_count_read(struct counter_device *counter,
        for (i = 0; i < 3; i++)
                *val |= (unsigned long)inb(base_offset) << (8 * i);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
 static int quad8_count_write(struct counter_device *counter,
        struct counter_count *count, unsigned long val)
 {
-       const struct quad8_iio *const priv = counter->priv;
+       struct quad8_iio *const priv = counter->priv;
        const int base_offset = priv->base + 2 * count->id;
        int i;
 
@@ -624,6 +680,8 @@ static int quad8_count_write(struct counter_device *counter,
        if (val > 0xFFFFFF)
                return -EINVAL;
 
+       mutex_lock(&priv->lock);
+
        /* Reset Byte Pointer */
        outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
 
@@ -647,6 +705,8 @@ static int quad8_count_write(struct counter_device *counter,
        /* Reset Error flag */
        outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -667,13 +727,13 @@ static enum counter_count_function quad8_count_functions_list[] = {
 static int quad8_function_get(struct counter_device *counter,
        struct counter_count *count, size_t *function)
 {
-       const struct quad8_iio *const priv = counter->priv;
+       struct quad8_iio *const priv = counter->priv;
        const int id = count->id;
-       const unsigned int quadrature_mode = priv->quadrature_mode[id];
-       const unsigned int scale = priv->quadrature_scale[id];
 
-       if (quadrature_mode)
-               switch (scale) {
+       mutex_lock(&priv->lock);
+
+       if (priv->quadrature_mode[id])
+               switch (priv->quadrature_scale[id]) {
                case 0:
                        *function = QUAD8_COUNT_FUNCTION_QUADRATURE_X1;
                        break;
@@ -687,6 +747,8 @@ static int quad8_function_get(struct counter_device *counter,
        else
                *function = QUAD8_COUNT_FUNCTION_PULSE_DIRECTION;
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -697,10 +759,15 @@ static int quad8_function_set(struct counter_device *counter,
        const int id = count->id;
        unsigned int *const quadrature_mode = priv->quadrature_mode + id;
        unsigned int *const scale = priv->quadrature_scale + id;
-       unsigned int mode_cfg = priv->count_mode[id] << 1;
        unsigned int *const synchronous_mode = priv->synchronous_mode + id;
-       const unsigned int idr_cfg = priv->index_polarity[id] << 1;
        const int base_offset = priv->base + 2 * id + 1;
+       unsigned int mode_cfg;
+       unsigned int idr_cfg;
+
+       mutex_lock(&priv->lock);
+
+       mode_cfg = priv->count_mode[id] << 1;
+       idr_cfg = priv->index_polarity[id] << 1;
 
        if (function == QUAD8_COUNT_FUNCTION_PULSE_DIRECTION) {
                *quadrature_mode = 0;
@@ -736,6 +803,8 @@ static int quad8_function_set(struct counter_device *counter,
        /* Load mode configuration to Counter Mode Register */
        outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -852,15 +921,20 @@ static int quad8_index_polarity_set(struct counter_device *counter,
 {
        struct quad8_iio *const priv = counter->priv;
        const size_t channel_id = signal->id - 16;
-       const unsigned int idr_cfg = priv->synchronous_mode[channel_id] |
-               index_polarity << 1;
        const int base_offset = priv->base + 2 * channel_id + 1;
+       unsigned int idr_cfg = index_polarity << 1;
+
+       mutex_lock(&priv->lock);
+
+       idr_cfg |= priv->synchronous_mode[channel_id];
 
        priv->index_polarity[channel_id] = index_polarity;
 
        /* Load Index Control configuration to Index Control Register */
        outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -887,19 +961,26 @@ static int quad8_synchronous_mode_set(struct counter_device *counter,
 {
        struct quad8_iio *const priv = counter->priv;
        const size_t channel_id = signal->id - 16;
-       const unsigned int idr_cfg = synchronous_mode |
-               priv->index_polarity[channel_id] << 1;
        const int base_offset = priv->base + 2 * channel_id + 1;
+       unsigned int idr_cfg = synchronous_mode;
+
+       mutex_lock(&priv->lock);
+
+       idr_cfg |= priv->index_polarity[channel_id] << 1;
 
        /* Index function must be non-synchronous in non-quadrature mode */
-       if (synchronous_mode && !priv->quadrature_mode[channel_id])
+       if (synchronous_mode && !priv->quadrature_mode[channel_id]) {
+               mutex_unlock(&priv->lock);
                return -EINVAL;
+       }
 
        priv->synchronous_mode[channel_id] = synchronous_mode;
 
        /* Load Index Control configuration to Index Control Register */
        outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -964,6 +1045,8 @@ static int quad8_count_mode_set(struct counter_device *counter,
                break;
        }
 
+       mutex_lock(&priv->lock);
+
        priv->count_mode[count->id] = cnt_mode;
 
        /* Set count mode configuration value */
@@ -976,6 +1059,8 @@ static int quad8_count_mode_set(struct counter_device *counter,
        /* Load mode configuration to Counter Mode Register */
        outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return 0;
 }
 
@@ -1017,6 +1102,8 @@ static ssize_t quad8_count_enable_write(struct counter_device *counter,
        if (err)
                return err;
 
+       mutex_lock(&priv->lock);
+
        priv->ab_enable[count->id] = ab_enable;
 
        ior_cfg = ab_enable | priv->preset_enable[count->id] << 1;
@@ -1024,6 +1111,8 @@ static ssize_t quad8_count_enable_write(struct counter_device *counter,
        /* Load I/O control configuration */
        outb(QUAD8_CTR_IOR | ior_cfg, base_offset + 1);
 
+       mutex_unlock(&priv->lock);
+
        return len;
 }
 
@@ -1052,14 +1141,28 @@ static ssize_t quad8_count_preset_read(struct counter_device *counter,
        return sprintf(buf, "%u\n", priv->preset[count->id]);
 }
 
+static void quad8_preset_register_set(struct quad8_iio *quad8iio, int id,
+               unsigned int preset)
+{
+       const unsigned int base_offset = quad8iio->base + 2 * id;
+       int i;
+
+       quad8iio->preset[id] = preset;
+
+       /* Reset Byte Pointer */
+       outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+
+       /* Set Preset Register */
+       for (i = 0; i < 3; i++)
+               outb(preset >> (8 * i), base_offset);
+}
+
 static ssize_t quad8_count_preset_write(struct counter_device *counter,
        struct counter_count *count, void *private, const char *buf, size_t len)
 {
        struct quad8_iio *const priv = counter->priv;
-       const int base_offset = priv->base + 2 * count->id;
        unsigned int preset;
        int ret;
-       int i;
 
        ret = kstrtouint(buf, 0, &preset);
        if (ret)
@@ -1069,14 +1172,11 @@ static ssize_t quad8_count_preset_write(struct counter_device *counter,
        if (preset > 0xFFFFFF)
                return -EINVAL;
 
-       priv->preset[count->id] = preset;
+       mutex_lock(&priv->lock);
 
-       /* Reset Byte Pointer */
-       outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+       quad8_preset_register_set(priv, count->id, preset);
 
-       /* Set Preset Register */
-       for (i = 0; i < 3; i++)
-               outb(preset >> (8 * i), base_offset);
+       mutex_unlock(&priv->lock);
 
        return len;
 }
@@ -1084,15 +1184,20 @@ static ssize_t quad8_count_preset_write(struct counter_device *counter,
 static ssize_t quad8_count_ceiling_read(struct counter_device *counter,
        struct counter_count *count, void *private, char *buf)
 {
-       const struct quad8_iio *const priv = counter->priv;
+       struct quad8_iio *const priv = counter->priv;
+
+       mutex_lock(&priv->lock);
 
        /* Range Limit and Modulo-N count modes use preset value as ceiling */
        switch (priv->count_mode[count->id]) {
        case 1:
        case 3:
-               return quad8_count_preset_read(counter, count, private, buf);
+               mutex_unlock(&priv->lock);
+               return sprintf(buf, "%u\n", priv->preset[count->id]);
        }
 
+       mutex_unlock(&priv->lock);
+
        /* By default 0x1FFFFFF (25 bits unsigned) is maximum count */
        return sprintf(buf, "33554431\n");
 }
@@ -1101,15 +1206,29 @@ static ssize_t quad8_count_ceiling_write(struct counter_device *counter,
        struct counter_count *count, void *private, const char *buf, size_t len)
 {
        struct quad8_iio *const priv = counter->priv;
+       unsigned int ceiling;
+       int ret;
+
+       ret = kstrtouint(buf, 0, &ceiling);
+       if (ret)
+               return ret;
+
+       /* Only 24-bit values are supported */
+       if (ceiling > 0xFFFFFF)
+               return -EINVAL;
+
+       mutex_lock(&priv->lock);
 
        /* Range Limit and Modulo-N count modes use preset value as ceiling */
        switch (priv->count_mode[count->id]) {
        case 1:
        case 3:
-               return quad8_count_preset_write(counter, count, private, buf,
-                                               len);
+               quad8_preset_register_set(priv, count->id, ceiling);
+               break;
        }
 
+       mutex_unlock(&priv->lock);
+
        return len;
 }
 
@@ -1137,6 +1256,8 @@ static ssize_t quad8_count_preset_enable_write(struct counter_device *counter,
        /* Preset enable is active low in Input/Output Control register */
        preset_enable = !preset_enable;
 
+       mutex_lock(&priv->lock);
+
        priv->preset_enable[count->id] = preset_enable;
 
        ior_cfg = priv->ab_enable[count->id] | (unsigned int)preset_enable << 1;
@@ -1144,6 +1265,8 @@ static ssize_t quad8_count_preset_enable_write(struct counter_device *counter,
        /* Load I/O control configuration to Input / Output Control Register */
        outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
 
+       mutex_unlock(&priv->lock);
+
        return len;
 }
 
@@ -1429,6 +1552,9 @@ static int quad8_probe(struct device *dev, unsigned int id)
        quad8iio->counter.priv = quad8iio;
        quad8iio->base = base[id];
 
+       /* Initialize mutex */
+       mutex_init(&quad8iio->lock);
+
        /* Reset all counters and disable interrupt function */
        outb(QUAD8_CHAN_OP_RESET_COUNTERS, base[id] + QUAD8_REG_CHAN_OP);
        /* Set initial configuration for all counters */
index 4d1e25d..4d3429b 100644 (file)
@@ -1059,7 +1059,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b,
 
        update_turbo_state();
        if (global.turbo_disabled) {
-               pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
+               pr_notice_once("Turbo disabled by BIOS or unavailable on processor\n");
                mutex_unlock(&intel_pstate_limits_lock);
                mutex_unlock(&intel_pstate_driver_lock);
                return -EPERM;
index b7bb7c3..b2f9882 100644 (file)
@@ -963,10 +963,12 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err,
        struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
        struct aead_edesc *edesc;
        int ecode = 0;
+       bool has_bklog;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = rctx->edesc;
+       has_bklog = edesc->bklog;
 
        if (err)
                ecode = caam_jr_strstatus(jrdev, err);
@@ -979,7 +981,7 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err,
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                aead_request_complete(req, ecode);
        else
                crypto_finalize_aead_request(jrp->engine, req, ecode);
@@ -995,10 +997,12 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err,
        struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
        int ivsize = crypto_skcipher_ivsize(skcipher);
        int ecode = 0;
+       bool has_bklog;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = rctx->edesc;
+       has_bklog = edesc->bklog;
        if (err)
                ecode = caam_jr_strstatus(jrdev, err);
 
@@ -1028,7 +1032,7 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err,
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                skcipher_request_complete(req, ecode);
        else
                crypto_finalize_skcipher_request(jrp->engine, req, ecode);
@@ -1711,7 +1715,7 @@ static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req,
 
        if (ivsize || mapped_dst_nents > 1)
                sg_to_sec4_set_last(edesc->sec4_sg + dst_sg_idx +
-                                   mapped_dst_nents);
+                                   mapped_dst_nents - 1 + !!ivsize);
 
        if (sec4_sg_bytes) {
                edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
index 943bc02..27ff4a3 100644 (file)
@@ -583,10 +583,12 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err,
        struct caam_hash_state *state = ahash_request_ctx(req);
        struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
        int ecode = 0;
+       bool has_bklog;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = state->edesc;
+       has_bklog = edesc->bklog;
 
        if (err)
                ecode = caam_jr_strstatus(jrdev, err);
@@ -603,7 +605,7 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err,
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                req->base.complete(&req->base, ecode);
        else
                crypto_finalize_hash_request(jrp->engine, req, ecode);
@@ -632,10 +634,12 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err,
        struct caam_hash_state *state = ahash_request_ctx(req);
        int digestsize = crypto_ahash_digestsize(ahash);
        int ecode = 0;
+       bool has_bklog;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = state->edesc;
+       has_bklog = edesc->bklog;
        if (err)
                ecode = caam_jr_strstatus(jrdev, err);
 
@@ -663,7 +667,7 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err,
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                req->base.complete(&req->base, ecode);
        else
                crypto_finalize_hash_request(jrp->engine, req, ecode);
index 4fcae37..2e44d68 100644 (file)
@@ -121,11 +121,13 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
        struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
        struct rsa_edesc *edesc;
        int ecode = 0;
+       bool has_bklog;
 
        if (err)
                ecode = caam_jr_strstatus(dev, err);
 
        edesc = req_ctx->edesc;
+       has_bklog = edesc->bklog;
 
        rsa_pub_unmap(dev, edesc, req);
        rsa_io_unmap(dev, edesc, req);
@@ -135,7 +137,7 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                akcipher_request_complete(req, ecode);
        else
                crypto_finalize_akcipher_request(jrp->engine, req, ecode);
@@ -152,11 +154,13 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err,
        struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req);
        struct rsa_edesc *edesc;
        int ecode = 0;
+       bool has_bklog;
 
        if (err)
                ecode = caam_jr_strstatus(dev, err);
 
        edesc = req_ctx->edesc;
+       has_bklog = edesc->bklog;
 
        switch (key->priv_form) {
        case FORM1:
@@ -176,7 +180,7 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err,
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
-       if (!edesc->bklog)
+       if (!has_bklog)
                akcipher_request_complete(req, ecode);
        else
                crypto_finalize_akcipher_request(jrp->engine, req, ecode);
index ccc9eda..07df88f 100644 (file)
@@ -388,7 +388,8 @@ static long dma_buf_ioctl(struct file *file,
 
                return ret;
 
-       case DMA_BUF_SET_NAME:
+       case DMA_BUF_SET_NAME_A:
+       case DMA_BUF_SET_NAME_B:
                return dma_buf_set_name(dmabuf, (const char __user *)arg);
 
        default:
@@ -655,8 +656,8 @@ EXPORT_SYMBOL_GPL(dma_buf_put);
  * calls attach() of dma_buf_ops to allow device-specific attach functionality
  * @dmabuf:            [in]    buffer to attach device to.
  * @dev:               [in]    device to be attached.
- * @importer_ops       [in]    importer operations for the attachment
- * @importer_priv      [in]    importer private pointer for the attachment
+ * @importer_ops:      [in]    importer operations for the attachment
+ * @importer_priv:     [in]    importer private pointer for the attachment
  *
  * Returns struct dma_buf_attachment pointer for this attachment. Attachments
  * must be cleaned up by calling dma_buf_detach().
index 0924836..023db68 100644 (file)
@@ -241,7 +241,8 @@ config FSL_RAID
 
 config HISI_DMA
        tristate "HiSilicon DMA Engine support"
-       depends on ARM64 || (COMPILE_TEST && PCI_MSI)
+       depends on ARM64 || COMPILE_TEST
+       depends on PCI_MSI
        select DMA_ENGINE
        select DMA_VIRTUAL_CHANNELS
        help
index 4830ba6..d31076d 100644 (file)
@@ -232,10 +232,6 @@ static void chan_dev_release(struct device *dev)
        struct dma_chan_dev *chan_dev;
 
        chan_dev = container_of(dev, typeof(*chan_dev), device);
-       if (atomic_dec_and_test(chan_dev->idr_ref)) {
-               ida_free(&dma_ida, chan_dev->dev_id);
-               kfree(chan_dev->idr_ref);
-       }
        kfree(chan_dev);
 }
 
@@ -1043,27 +1039,9 @@ static int get_dma_id(struct dma_device *device)
 }
 
 static int __dma_async_device_channel_register(struct dma_device *device,
-                                              struct dma_chan *chan,
-                                              int chan_id)
+                                              struct dma_chan *chan)
 {
        int rc = 0;
-       int chancnt = device->chancnt;
-       atomic_t *idr_ref;
-       struct dma_chan *tchan;
-
-       tchan = list_first_entry_or_null(&device->channels,
-                                        struct dma_chan, device_node);
-       if (!tchan)
-               return -ENODEV;
-
-       if (tchan->dev) {
-               idr_ref = tchan->dev->idr_ref;
-       } else {
-               idr_ref = kmalloc(sizeof(*idr_ref), GFP_KERNEL);
-               if (!idr_ref)
-                       return -ENOMEM;
-               atomic_set(idr_ref, 0);
-       }
 
        chan->local = alloc_percpu(typeof(*chan->local));
        if (!chan->local)
@@ -1079,29 +1057,36 @@ static int __dma_async_device_channel_register(struct dma_device *device,
         * When the chan_id is a negative value, we are dynamically adding
         * the channel. Otherwise we are static enumerating.
         */
-       chan->chan_id = chan_id < 0 ? chancnt : chan_id;
+       mutex_lock(&device->chan_mutex);
+       chan->chan_id = ida_alloc(&device->chan_ida, GFP_KERNEL);
+       mutex_unlock(&device->chan_mutex);
+       if (chan->chan_id < 0) {
+               pr_err("%s: unable to alloc ida for chan: %d\n",
+                      __func__, chan->chan_id);
+               goto err_out;
+       }
+
        chan->dev->device.class = &dma_devclass;
        chan->dev->device.parent = device->dev;
        chan->dev->chan = chan;
-       chan->dev->idr_ref = idr_ref;
        chan->dev->dev_id = device->dev_id;
-       atomic_inc(idr_ref);
        dev_set_name(&chan->dev->device, "dma%dchan%d",
                     device->dev_id, chan->chan_id);
-
        rc = device_register(&chan->dev->device);
        if (rc)
-               goto err_out;
+               goto err_out_ida;
        chan->client_count = 0;
-       device->chancnt = chan->chan_id + 1;
+       device->chancnt++;
 
        return 0;
 
+ err_out_ida:
+       mutex_lock(&device->chan_mutex);
+       ida_free(&device->chan_ida, chan->chan_id);
+       mutex_unlock(&device->chan_mutex);
  err_out:
        free_percpu(chan->local);
        kfree(chan->dev);
-       if (atomic_dec_return(idr_ref) == 0)
-               kfree(idr_ref);
        return rc;
 }
 
@@ -1110,7 +1095,7 @@ int dma_async_device_channel_register(struct dma_device *device,
 {
        int rc;
 
-       rc = __dma_async_device_channel_register(device, chan, -1);
+       rc = __dma_async_device_channel_register(device, chan);
        if (rc < 0)
                return rc;
 
@@ -1130,6 +1115,9 @@ static void __dma_async_device_channel_unregister(struct dma_device *device,
        device->chancnt--;
        chan->dev->chan = NULL;
        mutex_unlock(&dma_list_mutex);
+       mutex_lock(&device->chan_mutex);
+       ida_free(&device->chan_ida, chan->chan_id);
+       mutex_unlock(&device->chan_mutex);
        device_unregister(&chan->dev->device);
        free_percpu(chan->local);
 }
@@ -1152,7 +1140,7 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_unregister);
  */
 int dma_async_device_register(struct dma_device *device)
 {
-       int rc, i = 0;
+       int rc;
        struct dma_chan* chan;
 
        if (!device)
@@ -1257,9 +1245,12 @@ int dma_async_device_register(struct dma_device *device)
        if (rc != 0)
                return rc;
 
+       mutex_init(&device->chan_mutex);
+       ida_init(&device->chan_ida);
+
        /* represent channels in sysfs. Probably want devs too */
        list_for_each_entry(chan, &device->channels, device_node) {
-               rc = __dma_async_device_channel_register(device, chan, i++);
+               rc = __dma_async_device_channel_register(device, chan);
                if (rc < 0)
                        goto err_out;
        }
@@ -1334,6 +1325,7 @@ void dma_async_device_unregister(struct dma_device *device)
         */
        dma_cap_set(DMA_PRIVATE, device->cap_mask);
        dma_channel_rebalance();
+       ida_free(&dma_ida, device->dev_id);
        dma_device_put(device);
        mutex_unlock(&dma_list_mutex);
 }
index a2cadfa..364dd34 100644 (file)
@@ -240,7 +240,7 @@ static bool is_threaded_test_run(struct dmatest_info *info)
                struct dmatest_thread *thread;
 
                list_for_each_entry(thread, &dtc->threads, node) {
-                       if (!thread->done)
+                       if (!thread->done && !thread->pending)
                                return true;
                }
        }
@@ -662,8 +662,8 @@ static int dmatest_func(void *data)
                flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
 
        ktime = ktime_get();
-       while (!kthread_should_stop()
-              && !(params->iterations && total_tests >= params->iterations)) {
+       while (!(kthread_should_stop() ||
+              (params->iterations && total_tests >= params->iterations))) {
                struct dma_async_tx_descriptor *tx = NULL;
                struct dmaengine_unmap_data *um;
                dma_addr_t *dsts;
index 10117f2..d683232 100644 (file)
@@ -363,6 +363,8 @@ static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac)
                gen_pool_free(gpool, (unsigned long)tdmac->desc_arr,
                                size);
        tdmac->desc_arr = NULL;
+       if (tdmac->status == DMA_ERROR)
+               tdmac->status = DMA_COMPLETE;
 
        return;
 }
@@ -443,7 +445,8 @@ static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
        if (!desc)
                goto err_out;
 
-       mmp_tdma_config_write(chan, direction, &tdmac->slave_config);
+       if (mmp_tdma_config_write(chan, direction, &tdmac->slave_config))
+               goto err_out;
 
        while (buf < buf_len) {
                desc = &tdmac->desc_arr[i];
index 581e7a2..a3b0b4c 100644 (file)
@@ -865,6 +865,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
        }
 
        pci_set_master(pdev);
+       pd->dma.dev = &pdev->dev;
 
        err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd);
        if (err) {
@@ -880,7 +881,6 @@ static int pch_dma_probe(struct pci_dev *pdev,
                goto err_free_irq;
        }
 
-       pd->dma.dev = &pdev->dev;
 
        INIT_LIST_HEAD(&pd->dma.channels);
 
index f6a2f42..b9f0d96 100644 (file)
@@ -816,6 +816,13 @@ static bool tegra_dma_eoc_interrupt_deasserted(struct tegra_dma_channel *tdc)
 static void tegra_dma_synchronize(struct dma_chan *dc)
 {
        struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
+       int err;
+
+       err = pm_runtime_get_sync(tdc->tdma->dev);
+       if (err < 0) {
+               dev_err(tdc2dev(tdc), "Failed to synchronize DMA: %d\n", err);
+               return;
+       }
 
        /*
         * CPU, which handles interrupt, could be busy in
@@ -825,6 +832,8 @@ static void tegra_dma_synchronize(struct dma_chan *dc)
        wait_event(tdc->wq, tegra_dma_eoc_interrupt_deasserted(tdc));
 
        tasklet_kill(&tdc->tasklet);
+
+       pm_runtime_put(tdc->tdma->dev);
 }
 
 static unsigned int tegra_dma_sg_bytes_xferred(struct tegra_dma_channel *tdc,
index d7b9650..fb7c815 100644 (file)
@@ -27,6 +27,7 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
                        soc_ep_map = &j721e_ep_map;
                } else {
                        pr_err("PSIL: No compatible machine found for map\n");
+                       mutex_unlock(&ep_map_mutex);
                        return ERR_PTR(-ENOTSUPP);
                }
                pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name);
index aecd5a3..5429497 100644 (file)
@@ -1230,16 +1230,16 @@ static enum dma_status xilinx_dma_tx_status(struct dma_chan *dchan,
                return ret;
 
        spin_lock_irqsave(&chan->lock, flags);
-
-       desc = list_last_entry(&chan->active_list,
-                              struct xilinx_dma_tx_descriptor, node);
-       /*
-        * VDMA and simple mode do not support residue reporting, so the
-        * residue field will always be 0.
-        */
-       if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA)
-               residue = xilinx_dma_get_residue(chan, desc);
-
+       if (!list_empty(&chan->active_list)) {
+               desc = list_last_entry(&chan->active_list,
+                                      struct xilinx_dma_tx_descriptor, node);
+               /*
+                * VDMA and simple mode do not support residue reporting, so the
+                * residue field will always be 0.
+                */
+               if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA)
+                       residue = xilinx_dma_get_residue(chan, desc);
+       }
        spin_unlock_irqrestore(&chan->lock, flags);
 
        dma_set_residue(txstate, residue);
index 116707a..1d2e5b8 100644 (file)
@@ -12,7 +12,7 @@ config IMX_DSP
 
 config IMX_SCU
        bool "IMX SCU Protocol driver"
-       depends on IMX_MBOX || COMPILE_TEST
+       depends on IMX_MBOX
        help
          The System Controller Firmware (SCFW) is a low-level system function
          which runs on a dedicated Cortex-M core to provide power, clock, and
@@ -24,6 +24,6 @@ config IMX_SCU
 
 config IMX_SCU_PD
        bool "IMX SCU Power Domain driver"
-       depends on IMX_SCU || COMPILE_TEST
+       depends on IMX_SCU
        help
          The System Controller Firmware (SCFW) based power domain driver.
index 89ca292..5387550 100644 (file)
@@ -248,11 +248,13 @@ static int cci_pci_sriov_configure(struct pci_dev *pcidev, int num_vfs)
                        return ret;
 
                ret = pci_enable_sriov(pcidev, num_vfs);
-               if (ret)
+               if (ret) {
                        dfl_fpga_cdev_config_ports_pf(cdev);
+                       return ret;
+               }
        }
 
-       return ret;
+       return num_vfs;
 }
 
 static void cci_pci_remove(struct pci_dev *pcidev)
index ee77650..07fa8d9 100644 (file)
@@ -583,7 +583,8 @@ static int zynq_fpga_probe(struct platform_device *pdev)
 
        priv->clk = devm_clk_get(dev, "ref_clk");
        if (IS_ERR(priv->clk)) {
-               dev_err(dev, "input clock not found\n");
+               if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
+                       dev_err(dev, "input clock not found\n");
                return PTR_ERR(priv->clk);
        }
 
index 8ea86ff..466bfe5 100644 (file)
  * - 3.34.0 - Non-DC can flip correctly between buffers with different pitches
  * - 3.35.0 - Add drm_amdgpu_info_device::tcc_disabled_mask
  * - 3.36.0 - Allow reading more status registers on si/cik
+ * - 3.37.0 - L2 is invalidated before SDMA IBs, needed for correctness
  */
 #define KMS_DRIVER_MAJOR       3
-#define KMS_DRIVER_MINOR       36
+#define KMS_DRIVER_MINOR       37
 #define KMS_DRIVER_PATCHLEVEL  0
 
 int amdgpu_vram_limit = 0;
index 074a9a0..a5b60c9 100644 (file)
 #define SDMA_OP_AQL_COPY  0
 #define SDMA_OP_AQL_BARRIER_OR  0
 
+#define SDMA_GCR_RANGE_IS_PA           (1 << 18)
+#define SDMA_GCR_SEQ(x)                        (((x) & 0x3) << 16)
+#define SDMA_GCR_GL2_WB                        (1 << 15)
+#define SDMA_GCR_GL2_INV               (1 << 14)
+#define SDMA_GCR_GL2_DISCARD           (1 << 13)
+#define SDMA_GCR_GL2_RANGE(x)          (((x) & 0x3) << 11)
+#define SDMA_GCR_GL2_US                        (1 << 10)
+#define SDMA_GCR_GL1_INV               (1 << 9)
+#define SDMA_GCR_GLV_INV               (1 << 8)
+#define SDMA_GCR_GLK_INV               (1 << 7)
+#define SDMA_GCR_GLK_WB                        (1 << 6)
+#define SDMA_GCR_GLM_INV               (1 << 5)
+#define SDMA_GCR_GLM_WB                        (1 << 4)
+#define SDMA_GCR_GL1_RANGE(x)          (((x) & 0x3) << 2)
+#define SDMA_GCR_GLI_INV(x)            (((x) & 0x3) << 0)
+
 /*define for op field*/
 #define SDMA_PKT_HEADER_op_offset 0
 #define SDMA_PKT_HEADER_op_mask   0x000000FF
index ebfd2cd..d2840c2 100644 (file)
@@ -382,6 +382,18 @@ static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
        unsigned vmid = AMDGPU_JOB_GET_VMID(job);
        uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
 
+       /* Invalidate L2, because if we don't do it, we might get stale cache
+        * lines from previous IBs.
+        */
+       amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
+       amdgpu_ring_write(ring, 0);
+       amdgpu_ring_write(ring, (SDMA_GCR_GL2_INV |
+                                SDMA_GCR_GL2_WB |
+                                SDMA_GCR_GLM_INV |
+                                SDMA_GCR_GLM_WB) << 16);
+       amdgpu_ring_write(ring, 0xffffff80);
+       amdgpu_ring_write(ring, 0xffff);
+
        /* An IB packet must end on a 8 DW boundary--the next dword
         * must be on a 8-dword boundary. Our IB packet below is 6
         * dwords long, thus add x number of NOPs, such that, in
@@ -1595,7 +1607,7 @@ static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
                SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
                SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
                10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
-       .emit_ib_size = 7 + 6, /* sdma_v5_0_ring_emit_ib */
+       .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
        .emit_ib = sdma_v5_0_ring_emit_ib,
        .emit_fence = sdma_v5_0_ring_emit_fence,
        .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
index c5ba5d4..94c29b7 100644 (file)
@@ -3340,7 +3340,8 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev,
                          const union dc_tiling_info *tiling_info,
                          const uint64_t info,
                          struct dc_plane_dcc_param *dcc,
-                         struct dc_plane_address *address)
+                         struct dc_plane_address *address,
+                         bool force_disable_dcc)
 {
        struct dc *dc = adev->dm.dc;
        struct dc_dcc_surface_param input;
@@ -3352,6 +3353,9 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev,
        memset(&input, 0, sizeof(input));
        memset(&output, 0, sizeof(output));
 
+       if (force_disable_dcc)
+               return 0;
+
        if (!offset)
                return 0;
 
@@ -3401,7 +3405,8 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev,
                             union dc_tiling_info *tiling_info,
                             struct plane_size *plane_size,
                             struct dc_plane_dcc_param *dcc,
-                            struct dc_plane_address *address)
+                            struct dc_plane_address *address,
+                            bool force_disable_dcc)
 {
        const struct drm_framebuffer *fb = &afb->base;
        int ret;
@@ -3507,7 +3512,8 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev,
 
                ret = fill_plane_dcc_attributes(adev, afb, format, rotation,
                                                plane_size, tiling_info,
-                                               tiling_flags, dcc, address);
+                                               tiling_flags, dcc, address,
+                                               force_disable_dcc);
                if (ret)
                        return ret;
        }
@@ -3599,7 +3605,8 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
                            const struct drm_plane_state *plane_state,
                            const uint64_t tiling_flags,
                            struct dc_plane_info *plane_info,
-                           struct dc_plane_address *address)
+                           struct dc_plane_address *address,
+                           bool force_disable_dcc)
 {
        const struct drm_framebuffer *fb = plane_state->fb;
        const struct amdgpu_framebuffer *afb =
@@ -3681,7 +3688,8 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
                                           plane_info->rotation, tiling_flags,
                                           &plane_info->tiling_info,
                                           &plane_info->plane_size,
-                                          &plane_info->dcc, address);
+                                          &plane_info->dcc, address,
+                                          force_disable_dcc);
        if (ret)
                return ret;
 
@@ -3704,6 +3712,7 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev,
        struct dc_plane_info plane_info;
        uint64_t tiling_flags;
        int ret;
+       bool force_disable_dcc = false;
 
        ret = fill_dc_scaling_info(plane_state, &scaling_info);
        if (ret)
@@ -3718,9 +3727,11 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev,
        if (ret)
                return ret;
 
+       force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
        ret = fill_dc_plane_info_and_addr(adev, plane_state, tiling_flags,
                                          &plane_info,
-                                         &dc_plane_state->address);
+                                         &dc_plane_state->address,
+                                         force_disable_dcc);
        if (ret)
                return ret;
 
@@ -5342,6 +5353,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
        uint64_t tiling_flags;
        uint32_t domain;
        int r;
+       bool force_disable_dcc = false;
 
        dm_plane_state_old = to_dm_plane_state(plane->state);
        dm_plane_state_new = to_dm_plane_state(new_state);
@@ -5400,11 +5412,13 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
                        dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
                struct dc_plane_state *plane_state = dm_plane_state_new->dc_state;
 
+               force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
                fill_plane_buffer_attributes(
                        adev, afb, plane_state->format, plane_state->rotation,
                        tiling_flags, &plane_state->tiling_info,
                        &plane_state->plane_size, &plane_state->dcc,
-                       &plane_state->address);
+                       &plane_state->address,
+                       force_disable_dcc);
        }
 
        return 0;
@@ -6676,7 +6690,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
                fill_dc_plane_info_and_addr(
                        dm->adev, new_plane_state, tiling_flags,
                        &bundle->plane_infos[planes_count],
-                       &bundle->flip_addrs[planes_count].address);
+                       &bundle->flip_addrs[planes_count].address,
+                       false);
+
+               DRM_DEBUG_DRIVER("plane: id=%d dcc_en=%d\n",
+                                new_plane_state->plane->index,
+                                bundle->plane_infos[planes_count].dcc.enable);
 
                bundle->surface_updates[planes_count].plane_info =
                        &bundle->plane_infos[planes_count];
@@ -8096,7 +8115,8 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
                                ret = fill_dc_plane_info_and_addr(
                                        dm->adev, new_plane_state, tiling_flags,
                                        plane_info,
-                                       &flip_addr->address);
+                                       &flip_addr->address,
+                                       false);
                                if (ret)
                                        goto cleanup;
 
index 7cbb1ef..27a7d2a 100644 (file)
@@ -2908,6 +2908,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
                                        sizeof(hpd_irq_dpcd_data),
                                        "Status: ");
 
+               for (i = 0; i < MAX_PIPES; i++) {
+                       pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
+                       if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
+                               link->dc->hwss.blank_stream(pipe_ctx);
+               }
+
                for (i = 0; i < MAX_PIPES; i++) {
                        pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
                        if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
@@ -2927,6 +2933,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
                if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
                        dc_link_reallocate_mst_payload(link);
 
+               for (i = 0; i < MAX_PIPES; i++) {
+                       pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
+                       if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
+                               link->dc->hwss.unblank_stream(pipe_ctx, &previous_link_settings);
+               }
+
                status = false;
                if (out_link_loss)
                        *out_link_loss = true;
@@ -4227,6 +4239,21 @@ void dp_set_fec_enable(struct dc_link *link, bool enable)
 void dpcd_set_source_specific_data(struct dc_link *link)
 {
        const uint32_t post_oui_delay = 30; // 30ms
+       uint8_t dspc = 0;
+       enum dc_status ret = DC_ERROR_UNEXPECTED;
+
+       ret = core_link_read_dpcd(link, DP_DOWN_STREAM_PORT_COUNT, &dspc,
+                                 sizeof(dspc));
+
+       if (ret != DC_OK) {
+               DC_LOG_ERROR("Error in DP aux read transaction,"
+                            " not writing source specific data\n");
+               return;
+       }
+
+       /* Return if OUI unsupported */
+       if (!(dspc & DP_OUI_SUPPORT))
+               return;
 
        if (!link->dc->vendor_signature.is_valid) {
                struct dpcd_amd_signature amd_signature;
index 6ddbb00..4f0e720 100644 (file)
@@ -231,34 +231,6 @@ struct dc_stream_status *dc_stream_get_status(
        return dc_stream_get_status_from_state(dc->current_state, stream);
 }
 
-static void delay_cursor_until_vupdate(struct pipe_ctx *pipe_ctx, struct dc *dc)
-{
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-       unsigned int vupdate_line;
-       unsigned int lines_to_vupdate, us_to_vupdate, vpos, nvpos;
-       struct dc_stream_state *stream = pipe_ctx->stream;
-       unsigned int us_per_line;
-
-       if (stream->ctx->asic_id.chip_family == FAMILY_RV &&
-                       ASICREV_IS_RAVEN(stream->ctx->asic_id.hw_internal_rev)) {
-
-               vupdate_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
-               if (!dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos))
-                       return;
-
-               if (vpos >= vupdate_line)
-                       return;
-
-               us_per_line = stream->timing.h_total * 10000 / stream->timing.pix_clk_100hz;
-               lines_to_vupdate = vupdate_line - vpos;
-               us_to_vupdate = lines_to_vupdate * us_per_line;
-
-               /* 70 us is a conservative estimate of cursor update time*/
-               if (us_to_vupdate < 70)
-                       udelay(us_to_vupdate);
-       }
-#endif
-}
 
 /**
  * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
@@ -298,9 +270,7 @@ bool dc_stream_set_cursor_attributes(
 
                if (!pipe_to_program) {
                        pipe_to_program = pipe_ctx;
-
-                       delay_cursor_until_vupdate(pipe_ctx, dc);
-                       dc->hwss.pipe_control_lock(dc, pipe_to_program, true);
+                       dc->hwss.cursor_lock(dc, pipe_to_program, true);
                }
 
                dc->hwss.set_cursor_attribute(pipe_ctx);
@@ -309,7 +279,7 @@ bool dc_stream_set_cursor_attributes(
        }
 
        if (pipe_to_program)
-               dc->hwss.pipe_control_lock(dc, pipe_to_program, false);
+               dc->hwss.cursor_lock(dc, pipe_to_program, false);
 
        return true;
 }
@@ -349,16 +319,14 @@ bool dc_stream_set_cursor_position(
 
                if (!pipe_to_program) {
                        pipe_to_program = pipe_ctx;
-
-                       delay_cursor_until_vupdate(pipe_ctx, dc);
-                       dc->hwss.pipe_control_lock(dc, pipe_to_program, true);
+                       dc->hwss.cursor_lock(dc, pipe_to_program, true);
                }
 
                dc->hwss.set_cursor_position(pipe_ctx);
        }
 
        if (pipe_to_program)
-               dc->hwss.pipe_control_lock(dc, pipe_to_program, false);
+               dc->hwss.cursor_lock(dc, pipe_to_program, false);
 
        return true;
 }
index c279982..1052759 100644 (file)
@@ -2757,6 +2757,7 @@ static const struct hw_sequencer_funcs dce110_funcs = {
        .disable_plane = dce110_power_down_fe,
        .pipe_control_lock = dce_pipe_control_lock,
        .interdependent_update_lock = NULL,
+       .cursor_lock = dce_pipe_control_lock,
        .prepare_bandwidth = dce110_prepare_bandwidth,
        .optimize_bandwidth = dce110_optimize_bandwidth,
        .set_drr = set_drr,
index b035754..085c1a3 100644 (file)
@@ -1625,6 +1625,16 @@ void dcn10_pipe_control_lock(
                hws->funcs.verify_allow_pstate_change_high(dc);
 }
 
+void dcn10_cursor_lock(struct dc *dc, struct pipe_ctx *pipe, bool lock)
+{
+       /* cursor lock is per MPCC tree, so only need to lock one pipe per stream */
+       if (!pipe || pipe->top_pipe)
+               return;
+
+       dc->res_pool->mpc->funcs->cursor_lock(dc->res_pool->mpc,
+                       pipe->stream_res.opp->inst, lock);
+}
+
 static bool wait_for_reset_trigger_to_occur(
        struct dc_context *dc_ctx,
        struct timing_generator *tg)
index 16a50e0..af51424 100644 (file)
@@ -49,6 +49,7 @@ void dcn10_pipe_control_lock(
        struct dc *dc,
        struct pipe_ctx *pipe,
        bool lock);
+void dcn10_cursor_lock(struct dc *dc, struct pipe_ctx *pipe, bool lock);
 void dcn10_blank_pixel_data(
                struct dc *dc,
                struct pipe_ctx *pipe_ctx,
index dd02d39..700509b 100644 (file)
@@ -50,6 +50,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
        .disable_audio_stream = dce110_disable_audio_stream,
        .disable_plane = dcn10_disable_plane,
        .pipe_control_lock = dcn10_pipe_control_lock,
+       .cursor_lock = dcn10_cursor_lock,
        .interdependent_update_lock = dcn10_lock_all_pipes,
        .prepare_bandwidth = dcn10_prepare_bandwidth,
        .optimize_bandwidth = dcn10_optimize_bandwidth,
index 04f8634..3fcd408 100644 (file)
@@ -223,6 +223,9 @@ struct mpcc *mpc1_insert_plane(
        REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
        REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
 
+       /* Configure VUPDATE lock set for this MPCC to map to the OPP */
+       REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, tree->opp_id);
+
        /* update mpc tree mux setting */
        if (tree->opp_list == insert_above_mpcc) {
                /* insert the toppest mpcc */
@@ -318,6 +321,7 @@ void mpc1_remove_mpcc(
                REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
                REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
                REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
+               REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
 
                /* mark this mpcc as not in use */
                mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
@@ -328,6 +332,7 @@ void mpc1_remove_mpcc(
                REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
                REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
                REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
+               REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
        }
 }
 
@@ -361,6 +366,7 @@ void mpc1_mpc_init(struct mpc *mpc)
                REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
                REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
                REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
+               REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
 
                mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
        }
@@ -381,6 +387,7 @@ void mpc1_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
        REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
        REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
        REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
+       REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
 
        mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
 
@@ -453,6 +460,13 @@ void mpc1_read_mpcc_state(
                        MPCC_BUSY, &s->busy);
 }
 
+void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
+{
+       struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+
+       REG_SET(CUR[opp_id], 0, CUR_VUPDATE_LOCK_SET, lock ? 1 : 0);
+}
+
 static const struct mpc_funcs dcn10_mpc_funcs = {
        .read_mpcc_state = mpc1_read_mpcc_state,
        .insert_plane = mpc1_insert_plane,
@@ -464,6 +478,7 @@ static const struct mpc_funcs dcn10_mpc_funcs = {
        .assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
        .init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
        .update_blending = mpc1_update_blending,
+       .cursor_lock = mpc1_cursor_lock,
        .set_denorm = NULL,
        .set_denorm_clamp = NULL,
        .set_output_csc = NULL,
index 962a68e..66a4719 100644 (file)
        SRII(MPCC_BG_G_Y, MPCC, inst),\
        SRII(MPCC_BG_R_CR, MPCC, inst),\
        SRII(MPCC_BG_B_CB, MPCC, inst),\
-       SRII(MPCC_BG_B_CB, MPCC, inst),\
-       SRII(MPCC_SM_CONTROL, MPCC, inst)
+       SRII(MPCC_SM_CONTROL, MPCC, inst),\
+       SRII(MPCC_UPDATE_LOCK_SEL, MPCC, inst)
 
 #define MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(inst) \
-       SRII(MUX, MPC_OUT, inst)
+       SRII(MUX, MPC_OUT, inst),\
+       VUPDATE_SRII(CUR, VUPDATE_LOCK_SET, inst)
 
 #define MPC_COMMON_REG_VARIABLE_LIST \
        uint32_t MPCC_TOP_SEL[MAX_MPCC]; \
@@ -55,7 +56,9 @@
        uint32_t MPCC_BG_R_CR[MAX_MPCC]; \
        uint32_t MPCC_BG_B_CB[MAX_MPCC]; \
        uint32_t MPCC_SM_CONTROL[MAX_MPCC]; \
-       uint32_t MUX[MAX_OPP];
+       uint32_t MUX[MAX_OPP]; \
+       uint32_t MPCC_UPDATE_LOCK_SEL[MAX_MPCC]; \
+       uint32_t CUR[MAX_OPP];
 
 #define MPC_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
        SF(MPCC0_MPCC_TOP_SEL, MPCC_TOP_SEL, mask_sh),\
@@ -78,7 +81,8 @@
        SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FIELD_ALT, mask_sh),\
        SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_FRAME_POL, mask_sh),\
        SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_TOP_POL, mask_sh),\
-       SF(MPC_OUT0_MUX, MPC_OUT_MUX, mask_sh)
+       SF(MPC_OUT0_MUX, MPC_OUT_MUX, mask_sh),\
+       SF(MPCC0_MPCC_UPDATE_LOCK_SEL, MPCC_UPDATE_LOCK_SEL, mask_sh)
 
 #define MPC_REG_FIELD_LIST(type) \
        type MPCC_TOP_SEL;\
        type MPCC_SM_FIELD_ALT;\
        type MPCC_SM_FORCE_NEXT_FRAME_POL;\
        type MPCC_SM_FORCE_NEXT_TOP_POL;\
-       type MPC_OUT_MUX;
+       type MPC_OUT_MUX;\
+       type MPCC_UPDATE_LOCK_SEL;\
+       type CUR_VUPDATE_LOCK_SET;
 
 struct dcn_mpc_registers {
        MPC_COMMON_REG_VARIABLE_LIST
@@ -192,4 +198,6 @@ void mpc1_read_mpcc_state(
                int mpcc_inst,
                struct mpcc_state *s);
 
+void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock);
+
 #endif
index 07265ca..ba849aa 100644 (file)
@@ -181,6 +181,14 @@ enum dcn10_clk_src_array_id {
        .reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                                        mm ## block ## id ## _ ## reg_name
 
+#define VUPDATE_SRII(reg_name, block, id)\
+       .reg_name[id] = BASE(mm ## reg_name ## 0 ## _ ## block ## id ## _BASE_IDX) + \
+                                       mm ## reg_name ## 0 ## _ ## block ## id
+
+/* set field/register/bitfield name */
+#define SFRB(field_name, reg_name, bitfield, post_fix)\
+       .field_name = reg_name ## __ ## bitfield ## post_fix
+
 /* NBIO */
 #define NBIO_BASE_INNER(seg) \
        NBIF_BASE__INST0_SEG ## seg
@@ -419,11 +427,13 @@ static const struct dcn_mpc_registers mpc_regs = {
 };
 
 static const struct dcn_mpc_shift mpc_shift = {
-       MPC_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT)
+       MPC_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT),\
+       SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, __SHIFT)
 };
 
 static const struct dcn_mpc_mask mpc_mask = {
-       MPC_COMMON_MASK_SH_LIST_DCN1_0(_MASK),
+       MPC_COMMON_MASK_SH_LIST_DCN1_0(_MASK),\
+       SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, _MASK)
 };
 
 #define tg_regs(id)\
index 22f421e..a023a4d 100644 (file)
@@ -2294,7 +2294,8 @@ void dcn20_fpga_init_hw(struct dc *dc)
 
        REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
        REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
-       REG_WRITE(REFCLK_CNTL, 0);
+       if (REG(REFCLK_CNTL))
+               REG_WRITE(REFCLK_CNTL, 0);
        //
 
 
index 1e73357..6a21228 100644 (file)
@@ -52,6 +52,7 @@ static const struct hw_sequencer_funcs dcn20_funcs = {
        .disable_plane = dcn20_disable_plane,
        .pipe_control_lock = dcn20_pipe_control_lock,
        .interdependent_update_lock = dcn10_lock_all_pipes,
+       .cursor_lock = dcn10_cursor_lock,
        .prepare_bandwidth = dcn20_prepare_bandwidth,
        .optimize_bandwidth = dcn20_optimize_bandwidth,
        .update_bandwidth = dcn20_update_bandwidth,
index de9c857..570dfd9 100644 (file)
@@ -545,6 +545,7 @@ const struct mpc_funcs dcn20_mpc_funcs = {
        .mpc_init = mpc1_mpc_init,
        .mpc_init_single_inst = mpc1_mpc_init_single_inst,
        .update_blending = mpc2_update_blending,
+       .cursor_lock = mpc1_cursor_lock,
        .get_mpcc_for_dpp = mpc2_get_mpcc_for_dpp,
        .wait_for_idle = mpc2_assert_idle_mpcc,
        .assert_mpcc_idle_before_connect = mpc2_assert_mpcc_idle_before_connect,
index c78fd51..496658f 100644 (file)
        SF(MPC_OUT0_DENORM_CLAMP_G_Y, MPC_OUT_DENORM_CLAMP_MAX_G_Y, mask_sh),\
        SF(MPC_OUT0_DENORM_CLAMP_G_Y, MPC_OUT_DENORM_CLAMP_MIN_G_Y, mask_sh),\
        SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MAX_B_CB, mask_sh),\
-       SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MIN_B_CB, mask_sh)
+       SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MIN_B_CB, mask_sh),\
+       SF(CUR_VUPDATE_LOCK_SET0, CUR_VUPDATE_LOCK_SET, mask_sh)
 
 /*
  *     DCN2 MPC_OCSC debug status register:
index 5cdbba0..c3535bd 100644 (file)
@@ -508,6 +508,10 @@ enum dcn20_clk_src_array_id {
        .block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                                        mm ## block ## id ## _ ## reg_name
 
+#define VUPDATE_SRII(reg_name, block, id)\
+       .reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
+                                       mm ## reg_name ## _ ## block ## id
+
 /* NBIO */
 #define NBIO_BASE_INNER(seg) \
        NBIO_BASE__INST0_SEG ## seg
index b9ff976..707ce0f 100644 (file)
@@ -53,6 +53,7 @@ static const struct hw_sequencer_funcs dcn21_funcs = {
        .disable_plane = dcn20_disable_plane,
        .pipe_control_lock = dcn20_pipe_control_lock,
        .interdependent_update_lock = dcn10_lock_all_pipes,
+       .cursor_lock = dcn10_cursor_lock,
        .prepare_bandwidth = dcn20_prepare_bandwidth,
        .optimize_bandwidth = dcn20_optimize_bandwidth,
        .update_bandwidth = dcn20_update_bandwidth,
index b25484a..a721bb4 100644 (file)
@@ -284,7 +284,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
        .dram_channel_width_bytes = 4,
        .fabric_datapath_to_dcn_data_return_bytes = 32,
        .dcn_downspread_percent = 0.5,
-       .downspread_percent = 0.5,
+       .downspread_percent = 0.38,
        .dram_page_open_time_ns = 50.0,
        .dram_rw_turnaround_time_ns = 17.5,
        .dram_return_buffer_per_channel_bytes = 8192,
@@ -340,6 +340,10 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
        .block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                                        mm ## block ## id ## _ ## reg_name
 
+#define VUPDATE_SRII(reg_name, block, id)\
+       .reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
+                                       mm ## reg_name ## _ ## block ## id
+
 /* NBIO */
 #define NBIO_BASE_INNER(seg) \
        NBIF0_BASE__INST0_SEG ## seg
@@ -1374,64 +1378,49 @@ static void update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
 {
        struct dcn21_resource_pool *pool = TO_DCN21_RES_POOL(dc->res_pool);
        struct clk_limit_table *clk_table = &bw_params->clk_table;
-       unsigned int i, j, k;
-       int closest_clk_lvl;
+       struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
+       unsigned int i, j, closest_clk_lvl;
 
        // Default clock levels are used for diags, which may lead to overclocking.
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) && !IS_DIAG_DC(dc->ctx->dce_environment)) {
+       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                dcn2_1_ip.max_num_otg = pool->base.res_cap->num_timing_generator;
                dcn2_1_ip.max_num_dpp = pool->base.pipe_count;
                dcn2_1_soc.num_chans = bw_params->num_channels;
 
-               /* Vmin: leave lowest DCN clocks, override with dcfclk, fclk, memclk from fuse */
-               dcn2_1_soc.clock_limits[0].state = 0;
-               dcn2_1_soc.clock_limits[0].dcfclk_mhz = clk_table->entries[0].dcfclk_mhz;
-               dcn2_1_soc.clock_limits[0].fabricclk_mhz = clk_table->entries[0].fclk_mhz;
-               dcn2_1_soc.clock_limits[0].socclk_mhz = clk_table->entries[0].socclk_mhz;
-               dcn2_1_soc.clock_limits[0].dram_speed_mts = clk_table->entries[0].memclk_mhz * 2;
-
-               /*
-                * Other levels: find closest DCN clocks that fit the given clock limit using dcfclk
-                * as indicator
-                */
-
-               closest_clk_lvl = -1;
-               /* index currently being filled */
-               k = 1;
-               for (i = 1; i < clk_table->num_entries; i++) {
-                       /* loop backwards, skip duplicate state*/
-                       for (j = dcn2_1_soc.num_states - 1; j >= k; j--) {
+               ASSERT(clk_table->num_entries);
+               for (i = 0; i < clk_table->num_entries; i++) {
+                       /* loop backwards*/
+                       for (closest_clk_lvl = 0, j = dcn2_1_soc.num_states - 1; j >= 0; j--) {
                                if ((unsigned int) dcn2_1_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) {
                                        closest_clk_lvl = j;
                                        break;
                                }
                        }
 
-                       /* if found a lvl that fits, use the DCN clks from it, if not, go to next clk limit*/
-                       if (closest_clk_lvl != -1) {
-                               dcn2_1_soc.clock_limits[k].state = i;
-                               dcn2_1_soc.clock_limits[k].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
-                               dcn2_1_soc.clock_limits[k].fabricclk_mhz = clk_table->entries[i].fclk_mhz;
-                               dcn2_1_soc.clock_limits[k].socclk_mhz = clk_table->entries[i].socclk_mhz;
-                               dcn2_1_soc.clock_limits[k].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2;
-
-                               dcn2_1_soc.clock_limits[k].dispclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
-                               dcn2_1_soc.clock_limits[k].dppclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
-                               dcn2_1_soc.clock_limits[k].dram_bw_per_chan_gbps = dcn2_1_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
-                               dcn2_1_soc.clock_limits[k].dscclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
-                               dcn2_1_soc.clock_limits[k].dtbclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
-                               dcn2_1_soc.clock_limits[k].phyclk_d18_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
-                               dcn2_1_soc.clock_limits[k].phyclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
-                               k++;
-                       }
+                       clock_limits[i].state = i;
+                       clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
+                       clock_limits[i].fabricclk_mhz = clk_table->entries[i].fclk_mhz;
+                       clock_limits[i].socclk_mhz = clk_table->entries[i].socclk_mhz;
+                       clock_limits[i].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2;
+
+                       clock_limits[i].dispclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
+                       clock_limits[i].dppclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
+                       clock_limits[i].dram_bw_per_chan_gbps = dcn2_1_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
+                       clock_limits[i].dscclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
+                       clock_limits[i].dtbclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
+                       clock_limits[i].phyclk_d18_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
+                       clock_limits[i].phyclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
+               }
+               for (i = 0; i < clk_table->num_entries; i++)
+                       dcn2_1_soc.clock_limits[i] = clock_limits[i];
+               if (clk_table->num_entries) {
+                       dcn2_1_soc.num_states = clk_table->num_entries;
+                       /* duplicate last level */
+                       dcn2_1_soc.clock_limits[dcn2_1_soc.num_states] = dcn2_1_soc.clock_limits[dcn2_1_soc.num_states - 1];
+                       dcn2_1_soc.clock_limits[dcn2_1_soc.num_states].state = dcn2_1_soc.num_states;
                }
-               dcn2_1_soc.num_states = k;
        }
 
-       /* duplicate last level */
-       dcn2_1_soc.clock_limits[dcn2_1_soc.num_states] = dcn2_1_soc.clock_limits[dcn2_1_soc.num_states - 1];
-       dcn2_1_soc.clock_limits[dcn2_1_soc.num_states].state = dcn2_1_soc.num_states;
-
        dml_init_instance(&dc->dml, &dcn2_1_soc, &dcn2_1_ip, DML_PROJECT_DCN21);
 }
 
index 094afc4..50ee8aa 100644 (file)
@@ -210,6 +210,22 @@ struct mpc_funcs {
                struct mpcc_blnd_cfg *blnd_cfg,
                int mpcc_id);
 
+       /*
+        * Lock cursor updates for the specified OPP.
+        * OPP defines the set of MPCC that are locked together for cursor.
+        *
+        * Parameters:
+        * [in]         mpc             - MPC context.
+        * [in]     opp_id      - The OPP to lock cursor updates on
+        * [in]         lock    - lock/unlock the OPP
+        *
+        * Return:  void
+        */
+       void (*cursor_lock)(
+                       struct mpc *mpc,
+                       int opp_id,
+                       bool lock);
+
        struct mpcc* (*get_mpcc_for_dpp)(
                        struct mpc_tree *tree,
                        int dpp_id);
index d4c1fb2..e57467d 100644 (file)
@@ -86,6 +86,7 @@ struct hw_sequencer_funcs {
                        struct dc_state *context, bool lock);
        void (*set_flip_control_gsl)(struct pipe_ctx *pipe_ctx,
                        bool flip_immediate);
+       void (*cursor_lock)(struct dc *dc, struct pipe_ctx *pipe, bool lock);
 
        /* Timing Related */
        void (*get_position)(struct pipe_ctx **pipe_ctx, int num_pipes,
index 2a12614..e4e5a53 100644 (file)
@@ -1435,7 +1435,8 @@ static int pp_get_asic_baco_capability(void *handle, bool *cap)
        if (!hwmgr)
                return -EINVAL;
 
-       if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_capability)
+       if (!(hwmgr->not_vf && amdgpu_dpm) ||
+               !hwmgr->hwmgr_func->get_asic_baco_capability)
                return 0;
 
        mutex_lock(&hwmgr->smu_lock);
@@ -1452,8 +1453,7 @@ static int pp_get_asic_baco_state(void *handle, int *state)
        if (!hwmgr)
                return -EINVAL;
 
-       if (!(hwmgr->not_vf && amdgpu_dpm) ||
-               !hwmgr->hwmgr_func->get_asic_baco_state)
+       if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_state)
                return 0;
 
        mutex_lock(&hwmgr->smu_lock);
@@ -1470,7 +1470,8 @@ static int pp_set_asic_baco_state(void *handle, int state)
        if (!hwmgr)
                return -EINVAL;
 
-       if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_asic_baco_state)
+       if (!(hwmgr->not_vf && amdgpu_dpm) ||
+               !hwmgr->hwmgr_func->set_asic_baco_state)
                return 0;
 
        mutex_lock(&hwmgr->smu_lock);
index 283615e..9d89ebf 100644 (file)
@@ -3442,8 +3442,12 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr,
        drm_dp_queue_down_tx(mgr, txmsg);
 
        ret = drm_dp_mst_wait_tx_reply(mstb, txmsg);
-       if (ret > 0 && txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK)
-               ret = -EIO;
+       if (ret > 0) {
+               if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK)
+                       ret = -EIO;
+               else
+                       ret = size;
+       }
 
        kfree(txmsg);
 fail_put:
index 1164511..4ede08a 100644 (file)
@@ -5111,7 +5111,7 @@ static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *d
        struct drm_display_mode *mode;
        unsigned pixel_clock = (timings->pixel_clock[0] |
                                (timings->pixel_clock[1] << 8) |
-                               (timings->pixel_clock[2] << 16));
+                               (timings->pixel_clock[2] << 16)) + 1;
        unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
        unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
        unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
index 37f77ae..0158e49 100644 (file)
@@ -182,21 +182,35 @@ i915_gem_object_fence_prepare(struct drm_i915_gem_object *obj,
                              int tiling_mode, unsigned int stride)
 {
        struct i915_ggtt *ggtt = &to_i915(obj->base.dev)->ggtt;
-       struct i915_vma *vma;
+       struct i915_vma *vma, *vn;
+       LIST_HEAD(unbind);
        int ret = 0;
 
        if (tiling_mode == I915_TILING_NONE)
                return 0;
 
        mutex_lock(&ggtt->vm.mutex);
+
+       spin_lock(&obj->vma.lock);
        for_each_ggtt_vma(vma, obj) {
+               GEM_BUG_ON(vma->vm != &ggtt->vm);
+
                if (i915_vma_fence_prepare(vma, tiling_mode, stride))
                        continue;
 
+               list_move(&vma->vm_link, &unbind);
+       }
+       spin_unlock(&obj->vma.lock);
+
+       list_for_each_entry_safe(vma, vn, &unbind, vm_link) {
                ret = __i915_vma_unbind(vma);
-               if (ret)
+               if (ret) {
+                       /* Restore the remaining vma on an error */
+                       list_splice(&unbind, &ggtt->vm.bound_list);
                        break;
+               }
        }
+
        mutex_unlock(&ggtt->vm.mutex);
 
        return ret;
@@ -268,6 +282,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
        }
        mutex_unlock(&obj->mm.lock);
 
+       spin_lock(&obj->vma.lock);
        for_each_ggtt_vma(vma, obj) {
                vma->fence_size =
                        i915_gem_fence_size(i915, vma->size, tiling, stride);
@@ -278,6 +293,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
                if (vma->fence)
                        vma->fence->dirty = true;
        }
+       spin_unlock(&obj->vma.lock);
 
        obj->tiling_and_stride = tiling | stride;
        i915_gem_object_unlock(obj);
index 2d0fd50..d4f94ca 100644 (file)
@@ -1477,8 +1477,10 @@ static int igt_ppgtt_pin_update(void *arg)
                unsigned int page_size = BIT(first);
 
                obj = i915_gem_object_create_internal(dev_priv, page_size);
-               if (IS_ERR(obj))
-                       return PTR_ERR(obj);
+               if (IS_ERR(obj)) {
+                       err = PTR_ERR(obj);
+                       goto out_vm;
+               }
 
                vma = i915_vma_instance(obj, vm, NULL);
                if (IS_ERR(vma)) {
@@ -1531,8 +1533,10 @@ static int igt_ppgtt_pin_update(void *arg)
        }
 
        obj = i915_gem_object_create_internal(dev_priv, PAGE_SIZE);
-       if (IS_ERR(obj))
-               return PTR_ERR(obj);
+       if (IS_ERR(obj)) {
+               err = PTR_ERR(obj);
+               goto out_vm;
+       }
 
        vma = i915_vma_instance(obj, vm, NULL);
        if (IS_ERR(vma)) {
index 91debbc..08b56d7 100644 (file)
@@ -521,6 +521,8 @@ int intel_timeline_read_hwsp(struct i915_request *from,
 
        rcu_read_lock();
        cl = rcu_dereference(from->hwsp_cacheline);
+       if (i915_request_completed(from)) /* confirm cacheline is valid */
+               goto unlock;
        if (unlikely(!i915_active_acquire_if_busy(&cl->active)))
                goto unlock; /* seqno wrapped and completed! */
        if (unlikely(i915_request_completed(from)))
index 9f0653c..d91557d 100644 (file)
@@ -3358,7 +3358,8 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
 {
        struct intel_uncore *uncore = &dev_priv->uncore;
 
-       u32 de_pipe_masked = GEN8_PIPE_CDCLK_CRC_DONE;
+       u32 de_pipe_masked = gen8_de_pipe_fault_mask(dev_priv) |
+               GEN8_PIPE_CDCLK_CRC_DONE;
        u32 de_pipe_enables;
        u32 de_port_masked = GEN8_AUX_CHANNEL_A;
        u32 de_port_enables;
@@ -3369,13 +3370,10 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
                de_misc_masked |= GEN8_DE_MISC_GSE;
 
        if (INTEL_GEN(dev_priv) >= 9) {
-               de_pipe_masked |= GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
                de_port_masked |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
                                  GEN9_AUX_CHANNEL_D;
                if (IS_GEN9_LP(dev_priv))
                        de_port_masked |= BXT_DE_PORT_GMBUS;
-       } else {
-               de_pipe_masked |= GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
        }
 
        if (INTEL_GEN(dev_priv) >= 11)
index 08699fa..82e3bc2 100644 (file)
@@ -158,16 +158,18 @@ vma_create(struct drm_i915_gem_object *obj,
 
        GEM_BUG_ON(!IS_ALIGNED(vma->size, I915_GTT_PAGE_SIZE));
 
+       spin_lock(&obj->vma.lock);
+
        if (i915_is_ggtt(vm)) {
                if (unlikely(overflows_type(vma->size, u32)))
-                       goto err_vma;
+                       goto err_unlock;
 
                vma->fence_size = i915_gem_fence_size(vm->i915, vma->size,
                                                      i915_gem_object_get_tiling(obj),
                                                      i915_gem_object_get_stride(obj));
                if (unlikely(vma->fence_size < vma->size || /* overflow */
                             vma->fence_size > vm->total))
-                       goto err_vma;
+                       goto err_unlock;
 
                GEM_BUG_ON(!IS_ALIGNED(vma->fence_size, I915_GTT_MIN_ALIGNMENT));
 
@@ -179,8 +181,6 @@ vma_create(struct drm_i915_gem_object *obj,
                __set_bit(I915_VMA_GGTT_BIT, __i915_vma_flags(vma));
        }
 
-       spin_lock(&obj->vma.lock);
-
        rb = NULL;
        p = &obj->vma.tree.rb_node;
        while (*p) {
@@ -225,6 +225,8 @@ vma_create(struct drm_i915_gem_object *obj,
 
        return vma;
 
+err_unlock:
+       spin_unlock(&obj->vma.lock);
 err_vma:
        i915_vma_free(vma);
        return ERR_PTR(-E2BIG);
index d1086b2..05863b2 100644 (file)
@@ -480,9 +480,10 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev,
                return ret;
 
        ret = qxl_release_reserve_list(release, true);
-       if (ret)
+       if (ret) {
+               qxl_release_free(qdev, release);
                return ret;
-
+       }
        cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
        cmd->type = QXL_SURFACE_CMD_CREATE;
        cmd->flags = QXL_SURF_FLAG_KEEP_DATA;
@@ -499,8 +500,8 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev,
        /* no need to add a release to the fence for this surface bo,
           since it is only released when we ask to destroy the surface
           and it would never signal otherwise */
-       qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
        qxl_release_fence_buffer_objects(release);
+       qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
 
        surf->hw_surf_alloc = true;
        spin_lock(&qdev->surf_id_idr_lock);
@@ -542,9 +543,8 @@ int qxl_hw_surface_dealloc(struct qxl_device *qdev,
        cmd->surface_id = id;
        qxl_release_unmap(qdev, release, &cmd->release_info);
 
-       qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
-
        qxl_release_fence_buffer_objects(release);
+       qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
 
        return 0;
 }
index 09583a0..91f398d 100644 (file)
@@ -510,8 +510,8 @@ static int qxl_primary_apply_cursor(struct drm_plane *plane)
        cmd->u.set.visible = 1;
        qxl_release_unmap(qdev, release, &cmd->release_info);
 
-       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
        qxl_release_fence_buffer_objects(release);
+       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 
        return ret;
 
@@ -652,8 +652,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
        cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
 
        qxl_release_unmap(qdev, release, &cmd->release_info);
-       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
        qxl_release_fence_buffer_objects(release);
+       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 
        if (old_cursor_bo != NULL)
                qxl_bo_unpin(old_cursor_bo);
@@ -700,8 +700,8 @@ static void qxl_cursor_atomic_disable(struct drm_plane *plane,
        cmd->type = QXL_CURSOR_HIDE;
        qxl_release_unmap(qdev, release, &cmd->release_info);
 
-       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
        qxl_release_fence_buffer_objects(release);
+       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 }
 
 static void qxl_update_dumb_head(struct qxl_device *qdev,
index 5bebf1e..3599db0 100644 (file)
@@ -209,9 +209,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
                goto out_release_backoff;
 
        rects = drawable_set_clipping(qdev, num_clips, clips_bo);
-       if (!rects)
+       if (!rects) {
+               ret = -EINVAL;
                goto out_release_backoff;
-
+       }
        drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
 
        drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
@@ -242,8 +243,8 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
        }
        qxl_bo_kunmap(clips_bo);
 
-       qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
        qxl_release_fence_buffer_objects(release);
+       qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
 
 out_release_backoff:
        if (ret)
index 43688ec..60ab715 100644 (file)
@@ -212,7 +212,8 @@ qxl_image_init_helper(struct qxl_device *qdev,
                break;
        default:
                DRM_ERROR("unsupported image bit depth\n");
-               return -EINVAL; /* TODO: cleanup */
+               qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr);
+               return -EINVAL;
        }
        image->u.bitmap.flags = QXL_BITMAP_TOP_DOWN;
        image->u.bitmap.x = width;
index 8117a45..72f3f1b 100644 (file)
@@ -261,11 +261,8 @@ static int qxl_process_single_command(struct qxl_device *qdev,
                        apply_surf_reloc(qdev, &reloc_info[i]);
        }
 
+       qxl_release_fence_buffer_objects(release);
        ret = qxl_push_command_ring_release(qdev, release, cmd->type, true);
-       if (ret)
-               qxl_release_backoff_reserve_list(release);
-       else
-               qxl_release_fence_buffer_objects(release);
 
 out_free_bos:
 out_free_release:
index f4ea4ce..0a5c8cf 100644 (file)
@@ -53,14 +53,6 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work)
                      events_clear, &events_clear);
 }
 
-static void virtio_gpu_context_destroy(struct virtio_gpu_device *vgdev,
-                                     uint32_t ctx_id)
-{
-       virtio_gpu_cmd_context_destroy(vgdev, ctx_id);
-       virtio_gpu_notify(vgdev);
-       ida_free(&vgdev->ctx_id_ida, ctx_id - 1);
-}
-
 static void virtio_gpu_init_vq(struct virtio_gpu_queue *vgvq,
                               void (*work_func)(struct work_struct *work))
 {
@@ -275,14 +267,17 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)
 void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file)
 {
        struct virtio_gpu_device *vgdev = dev->dev_private;
-       struct virtio_gpu_fpriv *vfpriv;
+       struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
 
        if (!vgdev->has_virgl_3d)
                return;
 
-       vfpriv = file->driver_priv;
+       if (vfpriv->context_created) {
+               virtio_gpu_cmd_context_destroy(vgdev, vfpriv->ctx_id);
+               virtio_gpu_notify(vgdev);
+       }
 
-       virtio_gpu_context_destroy(vgdev, vfpriv->ctx_id);
+       ida_free(&vgdev->ctx_id_ida, vfpriv->ctx_id - 1);
        mutex_destroy(&vfpriv->context_lock);
        kfree(vfpriv);
        file->driver_priv = NULL;
index 7c89edb..34f0737 100644 (file)
@@ -1155,6 +1155,7 @@ config HID_ALPS
 config HID_MCP2221
        tristate "Microchip MCP2221 HID USB-to-I2C/SMbus host support"
        depends on USB_HID && I2C
+       depends on GPIOLIB
        ---help---
        Provides I2C and SMBUS host adapter functionality over USB-HID
        through MCP2221 device.
index fa70415..b2ad319 100644 (file)
@@ -802,6 +802,7 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
                break;
        case HID_DEVICE_ID_ALPS_U1_DUAL:
        case HID_DEVICE_ID_ALPS_U1:
+       case HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY:
                data->dev_type = U1;
                break;
        default:
index b18b131..1c71a1a 100644 (file)
 #define HID_DEVICE_ID_ALPS_U1_DUAL_PTP 0x121F
 #define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP    0x1220
 #define HID_DEVICE_ID_ALPS_U1          0x1215
+#define HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY         0x121E
 #define HID_DEVICE_ID_ALPS_T4_BTNLESS  0x120C
 #define HID_DEVICE_ID_ALPS_1222                0x1222
 
-
 #define USB_VENDOR_ID_AMI              0x046b
 #define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE      0xff10
 
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349      0x7349
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7      0x73f7
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001      0xa001
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002      0xc002
 
 #define USB_VENDOR_ID_ELAN             0x04f3
 #define USB_DEVICE_ID_TOSHIBA_CLICK_L9W        0x0401
 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2      0xc218
 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2    0xc219
 #define USB_DEVICE_ID_LOGITECH_G15_LCD         0xc222
+#define USB_DEVICE_ID_LOGITECH_G11             0xc225
 #define USB_DEVICE_ID_LOGITECH_G15_V2_LCD      0xc227
 #define USB_DEVICE_ID_LOGITECH_G510            0xc22d
 #define USB_DEVICE_ID_LOGITECH_G510_USB_AUDIO  0xc22e
 #define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300
 #define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200
 
+#define I2C_VENDOR_ID_SYNAPTICS     0x06cb
+#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393   0x7a13
+
 #define USB_VENDOR_ID_SYNAPTICS                0x06cb
 #define USB_DEVICE_ID_SYNAPTICS_TP     0x0001
 #define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002
 #define USB_DEVICE_ID_SYNAPTICS_LTS2   0x1d10
 #define USB_DEVICE_ID_SYNAPTICS_HD     0x0ac3
 #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD        0x1ac3
+#define USB_DEVICE_ID_SYNAPTICS_DELL_K12A      0x2819
 #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012       0x2968
 #define USB_DEVICE_ID_SYNAPTICS_TP_V103        0x5710
 #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5   0x81a7
index ad4b541..ef0cbcd 100644 (file)
@@ -872,6 +872,10 @@ error_hw_stop:
 }
 
 static const struct hid_device_id lg_g15_devices[] = {
+       /* The G11 is a G15 without the LCD, treat it as a G15 */
+       { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+               USB_DEVICE_ID_LOGITECH_G11),
+               .driver_data = LG_G15 },
        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
                         USB_DEVICE_ID_LOGITECH_G15_LCD),
                .driver_data = LG_G15 },
index 362805d..03c720b 100644 (file)
@@ -1922,6 +1922,9 @@ static const struct hid_device_id mt_devices[] = {
        { .driver_data = MT_CLS_EGALAX_SERIAL,
                MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
                        USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+       { .driver_data = MT_CLS_EGALAX,
+               MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
 
        /* Elitegroup panel */
        { .driver_data = MT_CLS_SERIAL,
index ebec818..e4cb543 100644 (file)
@@ -163,6 +163,7 @@ static const struct hid_device_id hid_quirks[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103), HID_QUIRK_NO_INIT_REPORTS },
+       { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DELL_K12A), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD), HID_QUIRK_BADPAD },
        { HID_USB_DEVICE(USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS), HID_QUIRK_MULTI_INPUT },
        { HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882), HID_QUIRK_NOGET },
index 009000c..294c84e 100644 (file)
@@ -177,6 +177,8 @@ static const struct i2c_hid_quirks {
                 I2C_HID_QUIRK_BOGUS_IRQ },
        { USB_VENDOR_ID_ALPS_JP, HID_ANY_ID,
                 I2C_HID_QUIRK_RESET_ON_RESUME },
+       { I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393,
+                I2C_HID_QUIRK_RESET_ON_RESUME },
        { USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720,
                I2C_HID_QUIRK_BAD_INPUT_SIZE },
        { 0, 0 }
index c7bc9db..17a638f 100644 (file)
@@ -682,16 +682,21 @@ static int usbhid_open(struct hid_device *hid)
        struct usbhid_device *usbhid = hid->driver_data;
        int res;
 
+       mutex_lock(&usbhid->mutex);
+
        set_bit(HID_OPENED, &usbhid->iofl);
 
-       if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
-               return 0;
+       if (hid->quirks & HID_QUIRK_ALWAYS_POLL) {
+               res = 0;
+               goto Done;
+       }
 
        res = usb_autopm_get_interface(usbhid->intf);
        /* the device must be awake to reliably request remote wakeup */
        if (res < 0) {
                clear_bit(HID_OPENED, &usbhid->iofl);
-               return -EIO;
+               res = -EIO;
+               goto Done;
        }
 
        usbhid->intf->needs_remote_wakeup = 1;
@@ -725,6 +730,9 @@ static int usbhid_open(struct hid_device *hid)
                msleep(50);
 
        clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
+
+ Done:
+       mutex_unlock(&usbhid->mutex);
        return res;
 }
 
@@ -732,6 +740,8 @@ static void usbhid_close(struct hid_device *hid)
 {
        struct usbhid_device *usbhid = hid->driver_data;
 
+       mutex_lock(&usbhid->mutex);
+
        /*
         * Make sure we don't restart data acquisition due to
         * a resumption we no longer care about by avoiding racing
@@ -743,12 +753,13 @@ static void usbhid_close(struct hid_device *hid)
                clear_bit(HID_IN_POLLING, &usbhid->iofl);
        spin_unlock_irq(&usbhid->lock);
 
-       if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
-               return;
+       if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) {
+               hid_cancel_delayed_stuff(usbhid);
+               usb_kill_urb(usbhid->urbin);
+               usbhid->intf->needs_remote_wakeup = 0;
+       }
 
-       hid_cancel_delayed_stuff(usbhid);
-       usb_kill_urb(usbhid->urbin);
-       usbhid->intf->needs_remote_wakeup = 0;
+       mutex_unlock(&usbhid->mutex);
 }
 
 /*
@@ -1057,6 +1068,8 @@ static int usbhid_start(struct hid_device *hid)
        unsigned int n, insize = 0;
        int ret;
 
+       mutex_lock(&usbhid->mutex);
+
        clear_bit(HID_DISCONNECTED, &usbhid->iofl);
 
        usbhid->bufsize = HID_MIN_BUFFER_SIZE;
@@ -1177,6 +1190,8 @@ static int usbhid_start(struct hid_device *hid)
                usbhid_set_leds(hid);
                device_set_wakeup_enable(&dev->dev, 1);
        }
+
+       mutex_unlock(&usbhid->mutex);
        return 0;
 
 fail:
@@ -1187,6 +1202,7 @@ fail:
        usbhid->urbout = NULL;
        usbhid->urbctrl = NULL;
        hid_free_buffers(dev, hid);
+       mutex_unlock(&usbhid->mutex);
        return ret;
 }
 
@@ -1202,6 +1218,8 @@ static void usbhid_stop(struct hid_device *hid)
                usbhid->intf->needs_remote_wakeup = 0;
        }
 
+       mutex_lock(&usbhid->mutex);
+
        clear_bit(HID_STARTED, &usbhid->iofl);
        spin_lock_irq(&usbhid->lock);   /* Sync with error and led handlers */
        set_bit(HID_DISCONNECTED, &usbhid->iofl);
@@ -1222,6 +1240,8 @@ static void usbhid_stop(struct hid_device *hid)
        usbhid->urbout = NULL;
 
        hid_free_buffers(hid_to_usb_dev(hid), hid);
+
+       mutex_unlock(&usbhid->mutex);
 }
 
 static int usbhid_power(struct hid_device *hid, int lvl)
@@ -1382,6 +1402,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
        INIT_WORK(&usbhid->reset_work, hid_reset);
        timer_setup(&usbhid->io_retry, hid_retry_timeout, 0);
        spin_lock_init(&usbhid->lock);
+       mutex_init(&usbhid->mutex);
 
        ret = hid_add_device(hid);
        if (ret) {
index 8620408..75fe85d 100644 (file)
@@ -80,6 +80,7 @@ struct usbhid_device {
        dma_addr_t outbuf_dma;                                          /* Output buffer dma */
        unsigned long last_out;                                                 /* record of last output for timeouts */
 
+       struct mutex mutex;                                             /* start/stop/open/close */
        spinlock_t lock;                                                /* fifo spinlock */
        unsigned long iofl;                                             /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
        struct timer_list io_retry;                                     /* Retry timer */
index 5ded94b..cd71e71 100644 (file)
@@ -319,9 +319,11 @@ static void wacom_feature_mapping(struct hid_device *hdev,
                        data[0] = field->report->id;
                        ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
                                               data, n, WAC_CMD_RETRIES);
-                       if (ret == n) {
+                       if (ret == n && features->type == HID_GENERIC) {
                                ret = hid_report_raw_event(hdev,
                                        HID_FEATURE_REPORT, data, n, 0);
+                       } else if (ret == 2 && features->type != HID_GENERIC) {
+                               features->touch_max = data[1];
                        } else {
                                features->touch_max = 16;
                                hid_warn(hdev, "wacom_feature_mapping: "
index d99a9d4..1c96809 100644 (file)
@@ -1427,11 +1427,13 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
 {
        struct input_dev *pad_input = wacom->pad_input;
        unsigned char *data = wacom->data;
+       int nbuttons = wacom->features.numbered_buttons;
 
-       int buttons = data[282] | ((data[281] & 0x40) << 2);
+       int expresskeys = data[282];
+       int center = (data[281] & 0x40) >> 6;
        int ring = data[285] & 0x7F;
        bool ringstatus = data[285] & 0x80;
-       bool prox = buttons || ringstatus;
+       bool prox = expresskeys || center || ringstatus;
 
        /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
        ring = 71 - ring;
@@ -1439,7 +1441,8 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
        if (ring > 71)
                ring -= 72;
 
-       wacom_report_numbered_buttons(pad_input, 9, buttons);
+       wacom_report_numbered_buttons(pad_input, nbuttons,
+                                      expresskeys | (center << (nbuttons - 1)));
 
        input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
 
@@ -2637,9 +2640,25 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
                        case HID_DG_TIPSWITCH:
                                hid_data->last_slot_field = equivalent_usage;
                                break;
+                       case HID_DG_CONTACTCOUNT:
+                               hid_data->cc_report = report->id;
+                               hid_data->cc_index = i;
+                               hid_data->cc_value_index = j;
+                               break;
                        }
                }
        }
+
+       if (hid_data->cc_report != 0 &&
+           hid_data->cc_index >= 0) {
+               struct hid_field *field = report->field[hid_data->cc_index];
+               int value = field->value[hid_data->cc_value_index];
+               if (value)
+                       hid_data->num_expected = value;
+       }
+       else {
+               hid_data->num_expected = wacom_wac->features.touch_max;
+       }
 }
 
 static void wacom_wac_finger_report(struct hid_device *hdev,
@@ -2649,7 +2668,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
        struct wacom_wac *wacom_wac = &wacom->wacom_wac;
        struct input_dev *input = wacom_wac->touch_input;
        unsigned touch_max = wacom_wac->features.touch_max;
-       struct hid_data *hid_data = &wacom_wac->hid_data;
 
        /* If more packets of data are expected, give us a chance to
         * process them rather than immediately syncing a partial
@@ -2663,7 +2681,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
 
        input_sync(input);
        wacom_wac->hid_data.num_received = 0;
-       hid_data->num_expected = 0;
 
        /* keep touch state for pen event */
        wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
@@ -2738,73 +2755,12 @@ static void wacom_report_events(struct hid_device *hdev,
        }
 }
 
-static void wacom_set_num_expected(struct hid_device *hdev,
-                                  struct hid_report *report,
-                                  int collection_index,
-                                  struct hid_field *field,
-                                  int field_index)
-{
-       struct wacom *wacom = hid_get_drvdata(hdev);
-       struct wacom_wac *wacom_wac = &wacom->wacom_wac;
-       struct hid_data *hid_data = &wacom_wac->hid_data;
-       unsigned int original_collection_level =
-               hdev->collection[collection_index].level;
-       bool end_collection = false;
-       int i;
-
-       if (hid_data->num_expected)
-               return;
-
-       // find the contact count value for this segment
-       for (i = field_index; i < report->maxfield && !end_collection; i++) {
-               struct hid_field *field = report->field[i];
-               unsigned int field_level =
-                       hdev->collection[field->usage[0].collection_index].level;
-               unsigned int j;
-
-               if (field_level != original_collection_level)
-                       continue;
-
-               for (j = 0; j < field->maxusage; j++) {
-                       struct hid_usage *usage = &field->usage[j];
-
-                       if (usage->collection_index != collection_index) {
-                               end_collection = true;
-                               break;
-                       }
-                       if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
-                               hid_data->cc_report = report->id;
-                               hid_data->cc_index = i;
-                               hid_data->cc_value_index = j;
-
-                               if (hid_data->cc_report != 0 &&
-                                   hid_data->cc_index >= 0) {
-
-                                       struct hid_field *field =
-                                               report->field[hid_data->cc_index];
-                                       int value =
-                                               field->value[hid_data->cc_value_index];
-
-                                       if (value)
-                                               hid_data->num_expected = value;
-                               }
-                       }
-               }
-       }
-
-       if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
-               hid_data->num_expected = wacom_wac->features.touch_max;
-}
-
 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
                         int collection_index, struct hid_field *field,
                         int field_index)
 {
        struct wacom *wacom = hid_get_drvdata(hdev);
 
-       if (WACOM_FINGER_FIELD(field))
-               wacom_set_num_expected(hdev, report, collection_index, field,
-                                      field_index);
        wacom_report_events(hdev, report, collection_index, field_index);
 
        /*
index 6098e0c..533c8b8 100644 (file)
@@ -184,11 +184,7 @@ void hv_synic_enable_regs(unsigned int cpu)
 
        shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR;
        shared_sint.masked = false;
-       if (ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED)
-               shared_sint.auto_eoi = false;
-       else
-               shared_sint.auto_eoi = true;
-
+       shared_sint.auto_eoi = hv_recommend_using_aeoi();
        hv_set_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
 
        /* Enable the global synic bit */
index e70783e..f9d14db 100644 (file)
@@ -286,8 +286,8 @@ TRACE_EVENT(vmbus_send_tl_connect_request,
                    __field(int, ret)
                    ),
            TP_fast_assign(
-                   memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16);
-                   memcpy(__entry->host_id, &msg->host_service_id.b, 16);
+                   export_guid(__entry->guest_id, &msg->guest_endpoint_id);
+                   export_guid(__entry->host_id, &msg->host_service_id);
                    __entry->ret = ret;
                    ),
            TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, "
index a68bce4..e06c6b9 100644 (file)
@@ -978,6 +978,9 @@ static int vmbus_resume(struct device *child_device)
 
        return drv->resume(dev);
 }
+#else
+#define vmbus_suspend NULL
+#define vmbus_resume NULL
 #endif /* CONFIG_PM_SLEEP */
 
 /*
@@ -997,11 +1000,22 @@ static void vmbus_device_release(struct device *device)
 }
 
 /*
- * Note: we must use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS rather than
- * SET_SYSTEM_SLEEP_PM_OPS: see the comment before vmbus_bus_pm.
+ * Note: we must use the "noirq" ops: see the comment before vmbus_bus_pm.
+ *
+ * suspend_noirq/resume_noirq are set to NULL to support Suspend-to-Idle: we
+ * shouldn't suspend the vmbus devices upon Suspend-to-Idle, otherwise there
+ * is no way to wake up a Generation-2 VM.
+ *
+ * The other 4 ops are for hibernation.
  */
+
 static const struct dev_pm_ops vmbus_pm = {
-       SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(vmbus_suspend, vmbus_resume)
+       .suspend_noirq  = NULL,
+       .resume_noirq   = NULL,
+       .freeze_noirq   = vmbus_suspend,
+       .thaw_noirq     = vmbus_resume,
+       .poweroff_noirq = vmbus_suspend,
+       .restore_noirq  = vmbus_resume,
 };
 
 /* The one and only one */
@@ -2281,6 +2295,9 @@ static int vmbus_bus_resume(struct device *dev)
 
        return 0;
 }
+#else
+#define vmbus_bus_suspend NULL
+#define vmbus_bus_resume NULL
 #endif /* CONFIG_PM_SLEEP */
 
 static const struct acpi_device_id vmbus_acpi_device_ids[] = {
@@ -2291,16 +2308,24 @@ static const struct acpi_device_id vmbus_acpi_device_ids[] = {
 MODULE_DEVICE_TABLE(acpi, vmbus_acpi_device_ids);
 
 /*
- * Note: we must use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS rather than
- * SET_SYSTEM_SLEEP_PM_OPS, otherwise NIC SR-IOV can not work, because the
- * "pci_dev_pm_ops" uses the "noirq" callbacks: in the resume path, the
- * pci "noirq" restore callback runs before "non-noirq" callbacks (see
+ * Note: we must use the "no_irq" ops, otherwise hibernation can not work with
+ * PCI device assignment, because "pci_dev_pm_ops" uses the "noirq" ops: in
+ * the resume path, the pci "noirq" restore op runs before "non-noirq" op (see
  * resume_target_kernel() -> dpm_resume_start(), and hibernation_restore() ->
  * dpm_resume_end()). This means vmbus_bus_resume() and the pci-hyperv's
- * resume callback must also run via the "noirq" callbacks.
+ * resume callback must also run via the "noirq" ops.
+ *
+ * Set suspend_noirq/resume_noirq to NULL for Suspend-to-Idle: see the comment
+ * earlier in this file before vmbus_pm.
  */
+
 static const struct dev_pm_ops vmbus_bus_pm = {
-       SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(vmbus_bus_suspend, vmbus_bus_resume)
+       .suspend_noirq  = NULL,
+       .resume_noirq   = NULL,
+       .freeze_noirq   = vmbus_bus_suspend,
+       .thaw_noirq     = vmbus_bus_resume,
+       .poweroff_noirq = vmbus_bus_suspend,
+       .restore_noirq  = vmbus_bus_resume
 };
 
 static struct acpi_driver vmbus_acpi_driver = {
index 5e4800d..cd3fd5e 100644 (file)
@@ -349,12 +349,12 @@ static int amd_mp2_pci_probe(struct pci_dev *pci_dev,
        if (!privdata)
                return -ENOMEM;
 
+       privdata->pci_dev = pci_dev;
        rc = amd_mp2_pci_init(privdata, pci_dev);
        if (rc)
                return rc;
 
        mutex_init(&privdata->c2p_lock);
-       privdata->pci_dev = pci_dev;
 
        pm_runtime_set_autosuspend_delay(&pci_dev->dev, 1000);
        pm_runtime_use_autosuspend(&pci_dev->dev);
index 07c1993..f51702d 100644 (file)
@@ -603,6 +603,7 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
        /* Ack all interrupts except for Rx done */
        writel(irq_received & ~ASPEED_I2CD_INTR_RX_DONE,
               bus->base + ASPEED_I2C_INTR_STS_REG);
+       readl(bus->base + ASPEED_I2C_INTR_STS_REG);
        irq_remaining = irq_received;
 
 #if IS_ENABLED(CONFIG_I2C_SLAVE)
@@ -645,9 +646,11 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
                        irq_received, irq_handled);
 
        /* Ack Rx done */
-       if (irq_received & ASPEED_I2CD_INTR_RX_DONE)
+       if (irq_received & ASPEED_I2CD_INTR_RX_DONE) {
                writel(ASPEED_I2CD_INTR_RX_DONE,
                       bus->base + ASPEED_I2C_INTR_STS_REG);
+               readl(bus->base + ASPEED_I2C_INTR_STS_REG);
+       }
        spin_unlock(&bus->lock);
        return irq_remaining ? IRQ_NONE : IRQ_HANDLED;
 }
index 44be092..d091a12 100644 (file)
@@ -360,6 +360,9 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c,
                        value = (u8)((val >> S_RX_DATA_SHIFT) & S_RX_DATA_MASK);
                        i2c_slave_event(iproc_i2c->slave,
                                        I2C_SLAVE_WRITE_RECEIVED, &value);
+                       if (rx_status == I2C_SLAVE_RX_END)
+                               i2c_slave_event(iproc_i2c->slave,
+                                               I2C_SLAVE_STOP, &value);
                }
        } else if (status & BIT(IS_S_TX_UNDERRUN_SHIFT)) {
                /* Master read other than start */
index 8280ac7..4c4d17d 100644 (file)
@@ -996,13 +996,14 @@ tegra_i2c_poll_completion_timeout(struct tegra_i2c_dev *i2c_dev,
        do {
                u32 status = i2c_readl(i2c_dev, I2C_INT_STATUS);
 
-               if (status)
+               if (status) {
                        tegra_i2c_isr(i2c_dev->irq, i2c_dev);
 
-               if (completion_done(complete)) {
-                       s64 delta = ktime_ms_delta(ktimeout, ktime);
+                       if (completion_done(complete)) {
+                               s64 delta = ktime_ms_delta(ktimeout, ktime);
 
-                       return msecs_to_jiffies(delta) ?: 1;
+                               return msecs_to_jiffies(delta) ?: 1;
+                       }
                }
 
                ktime = ktime_get();
@@ -1029,18 +1030,14 @@ tegra_i2c_wait_completion_timeout(struct tegra_i2c_dev *i2c_dev,
                disable_irq(i2c_dev->irq);
 
                /*
-                * Under some rare circumstances (like running KASAN +
-                * NFS root) CPU, which handles interrupt, may stuck in
-                * uninterruptible state for a significant time.  In this
-                * case we will get timeout if I2C transfer is running on
-                * a sibling CPU, despite of IRQ being raised.
-                *
-                * In order to handle this rare condition, the IRQ status
-                * needs to be checked after timeout.
+                * There is a chance that completion may happen after IRQ
+                * synchronization, which is done by disable_irq().
                 */
-               if (ret == 0)
-                       ret = tegra_i2c_poll_completion_timeout(i2c_dev,
-                                                               complete, 0);
+               if (ret == 0 && completion_done(complete)) {
+                       dev_warn(i2c_dev->dev,
+                                "completion done after timeout\n");
+                       ret = 1;
+               }
        }
 
        return ret;
@@ -1219,15 +1216,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
                time_left = tegra_i2c_wait_completion_timeout(
                                i2c_dev, &i2c_dev->dma_complete, xfer_time);
 
-               /*
-                * Synchronize DMA first, since dmaengine_terminate_sync()
-                * performs synchronization after the transfer's termination
-                * and we want to get a completion if transfer succeeded.
-                */
-               dmaengine_synchronize(i2c_dev->msg_read ?
-                                     i2c_dev->rx_dma_chan :
-                                     i2c_dev->tx_dma_chan);
-
                dmaengine_terminate_sync(i2c_dev->msg_read ?
                                         i2c_dev->rx_dma_chan :
                                         i2c_dev->tx_dma_chan);
index 02981f3..08ba1a8 100644 (file)
 #define AD7193_CH_AINCOM       0x600 /* AINCOM - AINCOM */
 
 /* ID Register Bit Designations (AD7192_REG_ID) */
-#define ID_AD7190              0x4
-#define ID_AD7192              0x0
-#define ID_AD7193              0x2
-#define ID_AD7195              0x6
+#define CHIPID_AD7190          0x4
+#define CHIPID_AD7192          0x0
+#define CHIPID_AD7193          0x2
+#define CHIPID_AD7195          0x6
 #define AD7192_ID_MASK         0x0F
 
 /* GPOCON Register Bit Designations (AD7192_REG_GPOCON) */
@@ -161,7 +161,20 @@ enum {
        AD7192_SYSCALIB_FULL_SCALE,
 };
 
+enum {
+       ID_AD7190,
+       ID_AD7192,
+       ID_AD7193,
+       ID_AD7195,
+};
+
+struct ad7192_chip_info {
+       unsigned int                    chip_id;
+       const char                      *name;
+};
+
 struct ad7192_state {
+       const struct ad7192_chip_info   *chip_info;
        struct regulator                *avdd;
        struct regulator                *dvdd;
        struct clk                      *mclk;
@@ -172,7 +185,6 @@ struct ad7192_state {
        u32                             conf;
        u32                             scale_avail[8][2];
        u8                              gpocon;
-       u8                              devid;
        u8                              clock_sel;
        struct mutex                    lock;   /* protect sensor state */
        u8                              syscalib_mode[8];
@@ -348,7 +360,7 @@ static int ad7192_setup(struct ad7192_state *st, struct device_node *np)
 
        id &= AD7192_ID_MASK;
 
-       if (id != st->devid)
+       if (id != st->chip_info->chip_id)
                dev_warn(&st->sd.spi->dev, "device ID query failed (0x%X)\n",
                         id);
 
@@ -363,7 +375,7 @@ static int ad7192_setup(struct ad7192_state *st, struct device_node *np)
                st->mode |= AD7192_MODE_REJ60;
 
        refin2_en = of_property_read_bool(np, "adi,refin2-pins-enable");
-       if (refin2_en && st->devid != ID_AD7195)
+       if (refin2_en && st->chip_info->chip_id != CHIPID_AD7195)
                st->conf |= AD7192_CONF_REFSEL;
 
        st->conf &= ~AD7192_CONF_CHOP;
@@ -859,12 +871,31 @@ static const struct iio_chan_spec ad7193_channels[] = {
        IIO_CHAN_SOFT_TIMESTAMP(14),
 };
 
+static const struct ad7192_chip_info ad7192_chip_info_tbl[] = {
+       [ID_AD7190] = {
+               .chip_id = CHIPID_AD7190,
+               .name = "ad7190",
+       },
+       [ID_AD7192] = {
+               .chip_id = CHIPID_AD7192,
+               .name = "ad7192",
+       },
+       [ID_AD7193] = {
+               .chip_id = CHIPID_AD7193,
+               .name = "ad7193",
+       },
+       [ID_AD7195] = {
+               .chip_id = CHIPID_AD7195,
+               .name = "ad7195",
+       },
+};
+
 static int ad7192_channels_config(struct iio_dev *indio_dev)
 {
        struct ad7192_state *st = iio_priv(indio_dev);
 
-       switch (st->devid) {
-       case ID_AD7193:
+       switch (st->chip_info->chip_id) {
+       case CHIPID_AD7193:
                indio_dev->channels = ad7193_channels;
                indio_dev->num_channels = ARRAY_SIZE(ad7193_channels);
                break;
@@ -878,10 +909,10 @@ static int ad7192_channels_config(struct iio_dev *indio_dev)
 }
 
 static const struct of_device_id ad7192_of_match[] = {
-       { .compatible = "adi,ad7190", .data = (void *)ID_AD7190 },
-       { .compatible = "adi,ad7192", .data = (void *)ID_AD7192 },
-       { .compatible = "adi,ad7193", .data = (void *)ID_AD7193 },
-       { .compatible = "adi,ad7195", .data = (void *)ID_AD7195 },
+       { .compatible = "adi,ad7190", .data = &ad7192_chip_info_tbl[ID_AD7190] },
+       { .compatible = "adi,ad7192", .data = &ad7192_chip_info_tbl[ID_AD7192] },
+       { .compatible = "adi,ad7193", .data = &ad7192_chip_info_tbl[ID_AD7193] },
+       { .compatible = "adi,ad7195", .data = &ad7192_chip_info_tbl[ID_AD7195] },
        {}
 };
 MODULE_DEVICE_TABLE(of, ad7192_of_match);
@@ -938,16 +969,16 @@ static int ad7192_probe(struct spi_device *spi)
        }
 
        spi_set_drvdata(spi, indio_dev);
-       st->devid = (unsigned long)of_device_get_match_data(&spi->dev);
+       st->chip_info = of_device_get_match_data(&spi->dev);
        indio_dev->dev.parent = &spi->dev;
-       indio_dev->name = spi_get_device_id(spi)->name;
+       indio_dev->name = st->chip_info->name;
        indio_dev->modes = INDIO_DIRECT_MODE;
 
        ret = ad7192_channels_config(indio_dev);
        if (ret < 0)
                goto error_disable_dvdd;
 
-       if (st->devid == ID_AD7195)
+       if (st->chip_info->chip_id == CHIPID_AD7195)
                indio_dev->info = &ad7195_info;
        else
                indio_dev->info = &ad7192_info;
index b747db9..e5691e3 100644 (file)
@@ -542,7 +542,7 @@ static const struct iio_info ad7797_info = {
        .read_raw = &ad7793_read_raw,
        .write_raw = &ad7793_write_raw,
        .write_raw_get_fmt = &ad7793_write_raw_get_fmt,
-       .attrs = &ad7793_attribute_group,
+       .attrs = &ad7797_attribute_group,
        .validate_trigger = ad_sd_validate_trigger,
 };
 
index 80c3f96..ae622ee 100644 (file)
@@ -1418,8 +1418,30 @@ static unsigned int stm32_adc_dma_residue(struct stm32_adc *adc)
 static void stm32_adc_dma_buffer_done(void *data)
 {
        struct iio_dev *indio_dev = data;
+       struct stm32_adc *adc = iio_priv(indio_dev);
+       int residue = stm32_adc_dma_residue(adc);
+
+       /*
+        * In DMA mode the trigger services of IIO are not used
+        * (e.g. no call to iio_trigger_poll).
+        * Calling irq handler associated to the hardware trigger is not
+        * relevant as the conversions have already been done. Data
+        * transfers are performed directly in DMA callback instead.
+        * This implementation avoids to call trigger irq handler that
+        * may sleep, in an atomic context (DMA irq handler context).
+        */
+       dev_dbg(&indio_dev->dev, "%s bufi=%d\n", __func__, adc->bufi);
 
-       iio_trigger_poll_chained(indio_dev->trig);
+       while (residue >= indio_dev->scan_bytes) {
+               u16 *buffer = (u16 *)&adc->rx_buf[adc->bufi];
+
+               iio_push_to_buffers(indio_dev, buffer);
+
+               residue -= indio_dev->scan_bytes;
+               adc->bufi += indio_dev->scan_bytes;
+               if (adc->bufi >= adc->rx_buf_sz)
+                       adc->bufi = 0;
+       }
 }
 
 static int stm32_adc_dma_start(struct iio_dev *indio_dev)
@@ -1845,6 +1867,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
 {
        struct iio_dev *indio_dev;
        struct device *dev = &pdev->dev;
+       irqreturn_t (*handler)(int irq, void *p) = NULL;
        struct stm32_adc *adc;
        int ret;
 
@@ -1911,9 +1934,11 @@ static int stm32_adc_probe(struct platform_device *pdev)
        if (ret < 0)
                return ret;
 
+       if (!adc->dma_chan)
+               handler = &stm32_adc_trigger_handler;
+
        ret = iio_triggered_buffer_setup(indio_dev,
-                                        &iio_pollfunc_store_time,
-                                        &stm32_adc_trigger_handler,
+                                        &iio_pollfunc_store_time, handler,
                                         &stm32_adc_buffer_setup_ops);
        if (ret) {
                dev_err(&pdev->dev, "buffer setup failed\n");
index 9a46080..abe4b56 100644 (file)
@@ -29,7 +29,7 @@ struct ads8344 {
        struct mutex lock;
 
        u8 tx_buf ____cacheline_aligned;
-       u16 rx_buf;
+       u8 rx_buf[3];
 };
 
 #define ADS8344_VOLTAGE_CHANNEL(chan, si)                              \
@@ -89,11 +89,11 @@ static int ads8344_adc_conversion(struct ads8344 *adc, int channel,
 
        udelay(9);
 
-       ret = spi_read(spi, &adc->rx_buf, 2);
+       ret = spi_read(spi, adc->rx_buf, sizeof(adc->rx_buf));
        if (ret)
                return ret;
 
-       return adc->rx_buf;
+       return adc->rx_buf[0] << 9 | adc->rx_buf[1] << 1 | adc->rx_buf[2] >> 7;
 }
 
 static int ads8344_read_raw(struct iio_dev *iio,
index ec227b3..6fd06e4 100644 (file)
@@ -102,6 +102,16 @@ static const unsigned int XADC_ZYNQ_UNMASK_TIMEOUT = 500;
 
 #define XADC_FLAGS_BUFFERED BIT(0)
 
+/*
+ * The XADC hardware supports a samplerate of up to 1MSPS. Unfortunately it does
+ * not have a hardware FIFO. Which means an interrupt is generated for each
+ * conversion sequence. At 1MSPS sample rate the CPU in ZYNQ7000 is completely
+ * overloaded by the interrupts that it soft-lockups. For this reason the driver
+ * limits the maximum samplerate 150kSPS. At this rate the CPU is fairly busy,
+ * but still responsive.
+ */
+#define XADC_MAX_SAMPLERATE 150000
+
 static void xadc_write_reg(struct xadc *xadc, unsigned int reg,
        uint32_t val)
 {
@@ -674,7 +684,7 @@ static int xadc_trigger_set_state(struct iio_trigger *trigger, bool state)
 
        spin_lock_irqsave(&xadc->lock, flags);
        xadc_read_reg(xadc, XADC_AXI_REG_IPIER, &val);
-       xadc_write_reg(xadc, XADC_AXI_REG_IPISR, val & XADC_AXI_INT_EOS);
+       xadc_write_reg(xadc, XADC_AXI_REG_IPISR, XADC_AXI_INT_EOS);
        if (state)
                val |= XADC_AXI_INT_EOS;
        else
@@ -722,13 +732,14 @@ static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode)
 {
        uint16_t val;
 
+       /* Powerdown the ADC-B when it is not needed. */
        switch (seq_mode) {
        case XADC_CONF1_SEQ_SIMULTANEOUS:
        case XADC_CONF1_SEQ_INDEPENDENT:
-               val = XADC_CONF2_PD_ADC_B;
+               val = 0;
                break;
        default:
-               val = 0;
+               val = XADC_CONF2_PD_ADC_B;
                break;
        }
 
@@ -797,6 +808,16 @@ static int xadc_preenable(struct iio_dev *indio_dev)
        if (ret)
                goto err;
 
+       /*
+        * In simultaneous mode the upper and lower aux channels are samples at
+        * the same time. In this mode the upper 8 bits in the sequencer
+        * register are don't care and the lower 8 bits control two channels
+        * each. As such we must set the bit if either the channel in the lower
+        * group or the upper group is enabled.
+        */
+       if (seq_mode == XADC_CONF1_SEQ_SIMULTANEOUS)
+               scan_mask = ((scan_mask >> 8) | scan_mask) & 0xff0000;
+
        ret = xadc_write_adc_reg(xadc, XADC_REG_SEQ(1), scan_mask >> 16);
        if (ret)
                goto err;
@@ -823,11 +844,27 @@ static const struct iio_buffer_setup_ops xadc_buffer_ops = {
        .postdisable = &xadc_postdisable,
 };
 
+static int xadc_read_samplerate(struct xadc *xadc)
+{
+       unsigned int div;
+       uint16_t val16;
+       int ret;
+
+       ret = xadc_read_adc_reg(xadc, XADC_REG_CONF2, &val16);
+       if (ret)
+               return ret;
+
+       div = (val16 & XADC_CONF2_DIV_MASK) >> XADC_CONF2_DIV_OFFSET;
+       if (div < 2)
+               div = 2;
+
+       return xadc_get_dclk_rate(xadc) / div / 26;
+}
+
 static int xadc_read_raw(struct iio_dev *indio_dev,
        struct iio_chan_spec const *chan, int *val, int *val2, long info)
 {
        struct xadc *xadc = iio_priv(indio_dev);
-       unsigned int div;
        uint16_t val16;
        int ret;
 
@@ -880,41 +917,31 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
                *val = -((273150 << 12) / 503975);
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_SAMP_FREQ:
-               ret = xadc_read_adc_reg(xadc, XADC_REG_CONF2, &val16);
-               if (ret)
+               ret = xadc_read_samplerate(xadc);
+               if (ret < 0)
                        return ret;
 
-               div = (val16 & XADC_CONF2_DIV_MASK) >> XADC_CONF2_DIV_OFFSET;
-               if (div < 2)
-                       div = 2;
-
-               *val = xadc_get_dclk_rate(xadc) / div / 26;
-
+               *val = ret;
                return IIO_VAL_INT;
        default:
                return -EINVAL;
        }
 }
 
-static int xadc_write_raw(struct iio_dev *indio_dev,
-       struct iio_chan_spec const *chan, int val, int val2, long info)
+static int xadc_write_samplerate(struct xadc *xadc, int val)
 {
-       struct xadc *xadc = iio_priv(indio_dev);
        unsigned long clk_rate = xadc_get_dclk_rate(xadc);
        unsigned int div;
 
        if (!clk_rate)
                return -EINVAL;
 
-       if (info != IIO_CHAN_INFO_SAMP_FREQ)
-               return -EINVAL;
-
        if (val <= 0)
                return -EINVAL;
 
        /* Max. 150 kSPS */
-       if (val > 150000)
-               val = 150000;
+       if (val > XADC_MAX_SAMPLERATE)
+               val = XADC_MAX_SAMPLERATE;
 
        val *= 26;
 
@@ -927,7 +954,7 @@ static int xadc_write_raw(struct iio_dev *indio_dev,
         * limit.
         */
        div = clk_rate / val;
-       if (clk_rate / div / 26 > 150000)
+       if (clk_rate / div / 26 > XADC_MAX_SAMPLERATE)
                div++;
        if (div < 2)
                div = 2;
@@ -938,6 +965,17 @@ static int xadc_write_raw(struct iio_dev *indio_dev,
                div << XADC_CONF2_DIV_OFFSET);
 }
 
+static int xadc_write_raw(struct iio_dev *indio_dev,
+       struct iio_chan_spec const *chan, int val, int val2, long info)
+{
+       struct xadc *xadc = iio_priv(indio_dev);
+
+       if (info != IIO_CHAN_INFO_SAMP_FREQ)
+               return -EINVAL;
+
+       return xadc_write_samplerate(xadc, val);
+}
+
 static const struct iio_event_spec xadc_temp_events[] = {
        {
                .type = IIO_EV_TYPE_THRESH,
@@ -1223,6 +1261,21 @@ static int xadc_probe(struct platform_device *pdev)
        if (ret)
                goto err_free_samplerate_trigger;
 
+       /*
+        * Make sure not to exceed the maximum samplerate since otherwise the
+        * resulting interrupt storm will soft-lock the system.
+        */
+       if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
+               ret = xadc_read_samplerate(xadc);
+               if (ret < 0)
+                       goto err_free_samplerate_trigger;
+               if (ret > XADC_MAX_SAMPLERATE) {
+                       ret = xadc_write_samplerate(xadc, XADC_MAX_SAMPLERATE);
+                       if (ret < 0)
+                               goto err_free_samplerate_trigger;
+               }
+       }
+
        ret = request_irq(xadc->irq, xadc->ops->interrupt_handler, 0,
                        dev_name(&pdev->dev), indio_dev);
        if (ret)
index 0e35ff0..13bdfbb 100644 (file)
@@ -79,7 +79,7 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
        struct st_sensor_odr_avl odr_out = {0, 0};
        struct st_sensor_data *sdata = iio_priv(indio_dev);
 
-       if (!sdata->sensor_settings->odr.addr)
+       if (!sdata->sensor_settings->odr.mask)
                return 0;
 
        err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
index a98ea76..2d7623b 100644 (file)
@@ -525,7 +525,7 @@ static int ad5770r_channel_config(struct ad5770r_state *st)
                ret = fwnode_property_read_u32(child, "num", &num);
                if (ret)
                        return ret;
-               if (num > AD5770R_MAX_CHANNELS)
+               if (num >= AD5770R_MAX_CHANNELS)
                        return -EINVAL;
 
                ret = fwnode_property_read_u32_array(child,
index 7cb9ff3..0b8d2f7 100644 (file)
@@ -1617,6 +1617,10 @@ static int __maybe_unused inv_mpu_resume(struct device *dev)
        if (result)
                goto out_unlock;
 
+       pm_runtime_disable(dev);
+       pm_runtime_set_active(dev);
+       pm_runtime_enable(dev);
+
        result = inv_mpu6050_switch_engine(st, true, st->suspended_sensors);
        if (result)
                goto out_unlock;
@@ -1638,13 +1642,18 @@ static int __maybe_unused inv_mpu_suspend(struct device *dev)
 
        mutex_lock(&st->lock);
 
+       st->suspended_sensors = 0;
+       if (pm_runtime_suspended(dev)) {
+               result = 0;
+               goto out_unlock;
+       }
+
        if (iio_buffer_enabled(indio_dev)) {
                result = inv_mpu6050_prepare_fifo(st, false);
                if (result)
                        goto out_unlock;
        }
 
-       st->suspended_sensors = 0;
        if (st->chip_config.accl_en)
                st->suspended_sensors |= INV_MPU6050_SENSOR_ACCL;
        if (st->chip_config.gyro_en)
index f2113a6..41cb20c 100644 (file)
@@ -337,6 +337,7 @@ enum st_lsm6dsx_fifo_mode {
  * @gain: Configured sensor sensitivity.
  * @odr: Output data rate of the sensor [Hz].
  * @watermark: Sensor watermark level.
+ * @decimator: Sensor decimation factor.
  * @sip: Number of samples in a given pattern.
  * @ts_ref: Sensor timestamp reference for hw one.
  * @ext_info: Sensor settings if it is connected to i2c controller
@@ -350,11 +351,13 @@ struct st_lsm6dsx_sensor {
        u32 odr;
 
        u16 watermark;
+       u8 decimator;
        u8 sip;
        s64 ts_ref;
 
        struct {
                const struct st_lsm6dsx_ext_dev_settings *settings;
+               u32 slv_odr;
                u8 addr;
        } ext_info;
 };
index bb89934..afd00da 100644 (file)
@@ -93,6 +93,7 @@ st_lsm6dsx_get_decimator_val(struct st_lsm6dsx_sensor *sensor, u32 max_odr)
                        break;
        }
 
+       sensor->decimator = decimator;
        return i == max_size ? 0 : st_lsm6dsx_decimator_table[i].val;
 }
 
@@ -337,7 +338,7 @@ static inline int st_lsm6dsx_read_block(struct st_lsm6dsx_hw *hw, u8 addr,
 int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
 {
        struct st_lsm6dsx_sensor *acc_sensor, *gyro_sensor, *ext_sensor = NULL;
-       int err, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset;
+       int err, sip, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset;
        u16 fifo_len, pattern_len = hw->sip * ST_LSM6DSX_SAMPLE_SIZE;
        u16 fifo_diff_mask = hw->settings->fifo_ops.fifo_diff.mask;
        u8 gyro_buff[ST_LSM6DSX_IIO_BUFF_SIZE];
@@ -399,19 +400,20 @@ int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
                acc_sip = acc_sensor->sip;
                ts_sip = hw->ts_sip;
                offset = 0;
+               sip = 0;
 
                while (acc_sip > 0 || gyro_sip > 0 || ext_sip > 0) {
-                       if (gyro_sip > 0) {
+                       if (gyro_sip > 0 && !(sip % gyro_sensor->decimator)) {
                                memcpy(gyro_buff, &hw->buff[offset],
                                       ST_LSM6DSX_SAMPLE_SIZE);
                                offset += ST_LSM6DSX_SAMPLE_SIZE;
                        }
-                       if (acc_sip > 0) {
+                       if (acc_sip > 0 && !(sip % acc_sensor->decimator)) {
                                memcpy(acc_buff, &hw->buff[offset],
                                       ST_LSM6DSX_SAMPLE_SIZE);
                                offset += ST_LSM6DSX_SAMPLE_SIZE;
                        }
-                       if (ext_sip > 0) {
+                       if (ext_sip > 0 && !(sip % ext_sensor->decimator)) {
                                memcpy(ext_buff, &hw->buff[offset],
                                       ST_LSM6DSX_SAMPLE_SIZE);
                                offset += ST_LSM6DSX_SAMPLE_SIZE;
@@ -441,18 +443,25 @@ int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
                                offset += ST_LSM6DSX_SAMPLE_SIZE;
                        }
 
-                       if (gyro_sip-- > 0)
+                       if (gyro_sip > 0 && !(sip % gyro_sensor->decimator)) {
                                iio_push_to_buffers_with_timestamp(
                                        hw->iio_devs[ST_LSM6DSX_ID_GYRO],
                                        gyro_buff, gyro_sensor->ts_ref + ts);
-                       if (acc_sip-- > 0)
+                               gyro_sip--;
+                       }
+                       if (acc_sip > 0 && !(sip % acc_sensor->decimator)) {
                                iio_push_to_buffers_with_timestamp(
                                        hw->iio_devs[ST_LSM6DSX_ID_ACC],
                                        acc_buff, acc_sensor->ts_ref + ts);
-                       if (ext_sip-- > 0)
+                               acc_sip--;
+                       }
+                       if (ext_sip > 0 && !(sip % ext_sensor->decimator)) {
                                iio_push_to_buffers_with_timestamp(
                                        hw->iio_devs[ST_LSM6DSX_ID_EXT0],
                                        ext_buff, ext_sensor->ts_ref + ts);
+                               ext_sip--;
+                       }
+                       sip++;
                }
        }
 
index 84d219a..4426524 100644 (file)
@@ -2036,11 +2036,21 @@ static int st_lsm6dsx_init_hw_timer(struct st_lsm6dsx_hw *hw)
        return 0;
 }
 
-static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
+static int st_lsm6dsx_reset_device(struct st_lsm6dsx_hw *hw)
 {
        const struct st_lsm6dsx_reg *reg;
        int err;
 
+       /*
+        * flush hw FIFO before device reset in order to avoid
+        * possible races on interrupt line 1. If the first interrupt
+        * line is asserted during hw reset the device will work in
+        * I3C-only mode (if it is supported)
+        */
+       err = st_lsm6dsx_flush_fifo(hw);
+       if (err < 0 && err != -ENOTSUPP)
+               return err;
+
        /* device sw reset */
        reg = &hw->settings->reset;
        err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
@@ -2059,6 +2069,18 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
 
        msleep(50);
 
+       return 0;
+}
+
+static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
+{
+       const struct st_lsm6dsx_reg *reg;
+       int err;
+
+       err = st_lsm6dsx_reset_device(hw);
+       if (err < 0)
+               return err;
+
        /* enable Block Data Update */
        reg = &hw->settings->bdu;
        err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
index 95ddd19..64ef07a 100644 (file)
@@ -421,7 +421,8 @@ int st_lsm6dsx_shub_set_enable(struct st_lsm6dsx_sensor *sensor, bool enable)
 
        settings = sensor->ext_info.settings;
        if (enable) {
-               err = st_lsm6dsx_shub_set_odr(sensor, sensor->odr);
+               err = st_lsm6dsx_shub_set_odr(sensor,
+                                             sensor->ext_info.slv_odr);
                if (err < 0)
                        return err;
        } else {
@@ -459,7 +460,7 @@ st_lsm6dsx_shub_read_oneshot(struct st_lsm6dsx_sensor *sensor,
        if (err < 0)
                return err;
 
-       delay = 1000000000 / sensor->odr;
+       delay = 1000000000 / sensor->ext_info.slv_odr;
        usleep_range(delay, 2 * delay);
 
        len = min_t(int, sizeof(data), ch->scan_type.realbits >> 3);
@@ -500,8 +501,8 @@ st_lsm6dsx_shub_read_raw(struct iio_dev *iio_dev,
                iio_device_release_direct_mode(iio_dev);
                break;
        case IIO_CHAN_INFO_SAMP_FREQ:
-               *val = sensor->odr / 1000;
-               *val2 = (sensor->odr % 1000) * 1000;
+               *val = sensor->ext_info.slv_odr / 1000;
+               *val2 = (sensor->ext_info.slv_odr % 1000) * 1000;
                ret = IIO_VAL_INT_PLUS_MICRO;
                break;
        case IIO_CHAN_INFO_SCALE:
@@ -535,8 +536,20 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
 
                val = val * 1000 + val2 / 1000;
                err = st_lsm6dsx_shub_get_odr_val(sensor, val, &data);
-               if (!err)
-                       sensor->odr = val;
+               if (!err) {
+                       struct st_lsm6dsx_hw *hw = sensor->hw;
+                       struct st_lsm6dsx_sensor *ref_sensor;
+                       u8 odr_val;
+                       int odr;
+
+                       ref_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]);
+                       odr = st_lsm6dsx_check_odr(ref_sensor, val, &odr_val);
+                       if (odr < 0)
+                               return odr;
+
+                       sensor->ext_info.slv_odr = val;
+                       sensor->odr = odr;
+               }
                break;
        }
        default:
@@ -613,6 +626,7 @@ st_lsm6dsx_shub_alloc_iiodev(struct st_lsm6dsx_hw *hw,
                             const struct st_lsm6dsx_ext_dev_settings *info,
                             u8 i2c_addr, const char *name)
 {
+       enum st_lsm6dsx_sensor_id ref_id = ST_LSM6DSX_ID_ACC;
        struct iio_chan_spec *ext_channels;
        struct st_lsm6dsx_sensor *sensor;
        struct iio_dev *iio_dev;
@@ -628,7 +642,8 @@ st_lsm6dsx_shub_alloc_iiodev(struct st_lsm6dsx_hw *hw,
        sensor = iio_priv(iio_dev);
        sensor->id = id;
        sensor->hw = hw;
-       sensor->odr = info->odr_table.odr_avl[0].milli_hz;
+       sensor->odr = hw->settings->odr_table[ref_id].odr_avl[0].milli_hz;
+       sensor->ext_info.slv_odr = info->odr_table.odr_avl[0].milli_hz;
        sensor->gain = info->fs_table.fs_avl[0].gain;
        sensor->ext_info.settings = info;
        sensor->ext_info.addr = i2c_addr;
index 2352c42..24f7bbf 100644 (file)
@@ -915,14 +915,11 @@ static ssize_t iio_write_channel_info(struct device *dev,
                        return -EINVAL;
                integer = ch;
        } else {
-               ret = iio_str_to_fixpoint(buf, fract_mult, &integer, &fract);
+               ret = __iio_str_to_fixpoint(buf, fract_mult, &integer, &fract,
+                                           scale_db);
                if (ret)
                        return ret;
        }
-       ret = __iio_str_to_fixpoint(buf, fract_mult, &integer, &fract,
-                                   scale_db);
-       if (ret)
-               return ret;
 
        ret = indio_dev->info->write_raw(indio_dev, this_attr->c,
                                         integer, fract, this_attr->address);
index 4794113..17f14e0 100644 (file)
@@ -862,7 +862,7 @@ static struct cm_id_private *cm_alloc_id_priv(struct ib_device *device,
 
        ret = xa_alloc_cyclic_irq(&cm.local_id_table, &id, NULL, xa_limit_32b,
                                  &cm.local_id_next, GFP_KERNEL);
-       if (ret)
+       if (ret < 0)
                goto error;
        cm_id_priv->id.local_id = (__force __be32)id ^ cm.random_id_operand;
 
@@ -1828,11 +1828,9 @@ static void cm_format_mra(struct cm_mra_msg *mra_msg,
 
 static void cm_format_rej(struct cm_rej_msg *rej_msg,
                          struct cm_id_private *cm_id_priv,
-                         enum ib_cm_rej_reason reason,
-                         void *ari,
-                         u8 ari_length,
-                         const void *private_data,
-                         u8 private_data_len)
+                         enum ib_cm_rej_reason reason, void *ari,
+                         u8 ari_length, const void *private_data,
+                         u8 private_data_len, enum ib_cm_state state)
 {
        lockdep_assert_held(&cm_id_priv->lock);
 
@@ -1840,7 +1838,7 @@ static void cm_format_rej(struct cm_rej_msg *rej_msg,
        IBA_SET(CM_REJ_REMOTE_COMM_ID, rej_msg,
                be32_to_cpu(cm_id_priv->id.remote_id));
 
-       switch(cm_id_priv->id.state) {
+       switch (state) {
        case IB_CM_REQ_RCVD:
                IBA_SET(CM_REJ_LOCAL_COMM_ID, rej_msg, be32_to_cpu(0));
                IBA_SET(CM_REJ_MESSAGE_REJECTED, rej_msg, CM_MSG_RESPONSE_REQ);
@@ -1905,8 +1903,9 @@ static void cm_dup_req_handler(struct cm_work *work,
                              cm_id_priv->private_data_len);
                break;
        case IB_CM_TIMEWAIT:
-               cm_format_rej((struct cm_rej_msg *) msg->mad, cm_id_priv,
-                             IB_CM_REJ_STALE_CONN, NULL, 0, NULL, 0);
+               cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv,
+                             IB_CM_REJ_STALE_CONN, NULL, 0, NULL, 0,
+                             IB_CM_TIMEWAIT);
                break;
        default:
                goto unlock;
@@ -2904,6 +2903,7 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
                              u8 ari_length, const void *private_data,
                              u8 private_data_len)
 {
+       enum ib_cm_state state = cm_id_priv->id.state;
        struct ib_mad_send_buf *msg;
        int ret;
 
@@ -2913,7 +2913,7 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
            (ari && ari_length > IB_CM_REJ_ARI_LENGTH))
                return -EINVAL;
 
-       switch (cm_id_priv->id.state) {
+       switch (state) {
        case IB_CM_REQ_SENT:
        case IB_CM_MRA_REQ_RCVD:
        case IB_CM_REQ_RCVD:
@@ -2925,7 +2925,8 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
                if (ret)
                        return ret;
                cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv, reason,
-                             ari, ari_length, private_data, private_data_len);
+                             ari, ari_length, private_data, private_data_len,
+                             state);
                break;
        case IB_CM_REP_SENT:
        case IB_CM_MRA_REP_RCVD:
@@ -2934,7 +2935,8 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
                if (ret)
                        return ret;
                cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv, reason,
-                             ari, ari_length, private_data, private_data_len);
+                             ari, ari_length, private_data, private_data_len,
+                             state);
                break;
        default:
                pr_debug("%s: local_id %d, cm_id->state: %d\n", __func__,
index 5128cb1..177333d 100644 (file)
@@ -360,7 +360,7 @@ lookup_get_fd_uobject(const struct uverbs_api_object *obj,
         * uverbs_uobject_fd_release(), and the caller is expected to ensure
         * that release is never done while a call to lookup is possible.
         */
-       if (f->f_op != fd_type->fops) {
+       if (f->f_op != fd_type->fops || uobject->ufile != ufile) {
                fput(f);
                return ERR_PTR(-EBADF);
        }
@@ -474,16 +474,15 @@ alloc_begin_fd_uobject(const struct uverbs_api_object *obj,
        filp = anon_inode_getfile(fd_type->name, fd_type->fops, NULL,
                                  fd_type->flags);
        if (IS_ERR(filp)) {
+               uverbs_uobject_put(uobj);
                uobj = ERR_CAST(filp);
-               goto err_uobj;
+               goto err_fd;
        }
        uobj->object = filp;
 
        uobj->id = new_fd;
        return uobj;
 
-err_uobj:
-       uverbs_uobject_put(uobj);
 err_fd:
        put_unused_fd(new_fd);
        return uobj;
@@ -679,7 +678,6 @@ void rdma_lookup_put_uobject(struct ib_uobject *uobj,
                             enum rdma_lookup_mode mode)
 {
        assert_uverbs_usecnt(uobj, mode);
-       uobj->uapi_object->type_class->lookup_put(uobj, mode);
        /*
         * In order to unlock an object, either decrease its usecnt for
         * read access or zero it in case of exclusive access. See
@@ -696,6 +694,7 @@ void rdma_lookup_put_uobject(struct ib_uobject *uobj,
                break;
        }
 
+       uobj->uapi_object->type_class->lookup_put(uobj, mode);
        /* Pairs with the kref obtained by type->lookup_get */
        uverbs_uobject_put(uobj);
 }
index 2d4083b..17fc25d 100644 (file)
@@ -820,6 +820,10 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile)
                        ret = mmget_not_zero(mm);
                        if (!ret) {
                                list_del_init(&priv->list);
+                               if (priv->entry) {
+                                       rdma_user_mmap_entry_put(priv->entry);
+                                       priv->entry = NULL;
+                               }
                                mm = NULL;
                                continue;
                        }
index e8b4b37..688f196 100644 (file)
@@ -1046,7 +1046,7 @@ i40iw_sc_query_rdma_features(struct i40iw_sc_cqp *cqp,
        u64 header;
 
        wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
-       if (wqe)
+       if (!wqe)
                return I40IW_ERR_RING_FULL;
 
        set_64bit_val(wqe, 32, feat_mem->pa);
index a66518a..275722c 100644 (file)
@@ -1499,8 +1499,9 @@ static int __mlx4_ib_create_default_rules(
        int i;
 
        for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) {
+               union ib_flow_spec ib_spec = {};
                int ret;
-               union ib_flow_spec ib_spec;
+
                switch (pdefault_rules->rules_create_list[i]) {
                case 0:
                        /* no rule */
index 1456db4..2210759 100644 (file)
@@ -5558,7 +5558,9 @@ static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev,
        rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f);
        rdma_ah_set_static_rate(ah_attr,
                                path->static_rate ? path->static_rate - 5 : 0);
-       if (path->grh_mlid & (1 << 7)) {
+
+       if (path->grh_mlid & (1 << 7) ||
+           ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {
                u32 tc_fl = be32_to_cpu(path->tclass_flowlabel);
 
                rdma_ah_set_grh(ah_attr, NULL,
index 5724cbb..04d2e72 100644 (file)
@@ -248,8 +248,8 @@ int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
         */
        if (udata && udata->outlen >= sizeof(__u64)) {
                cq->ip = rvt_create_mmap_info(rdi, sz, udata, u_wc);
-               if (!cq->ip) {
-                       err = -ENOMEM;
+               if (IS_ERR(cq->ip)) {
+                       err = PTR_ERR(cq->ip);
                        goto bail_wc;
                }
 
index 652f4a7..37853aa 100644 (file)
@@ -154,7 +154,7 @@ done:
  * @udata: user data (must be valid!)
  * @obj: opaque pointer to a cq, wq etc
  *
- * Return: rvt_mmap struct on success
+ * Return: rvt_mmap struct on success, ERR_PTR on failure
  */
 struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
                                           struct ib_udata *udata, void *obj)
@@ -166,7 +166,7 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
 
        ip = kmalloc_node(sizeof(*ip), GFP_KERNEL, rdi->dparms.node);
        if (!ip)
-               return ip;
+               return ERR_PTR(-ENOMEM);
 
        size = PAGE_ALIGN(size);
 
index 0e1b291..500a7ee 100644 (file)
@@ -1244,8 +1244,8 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
 
                        qp->ip = rvt_create_mmap_info(rdi, s, udata,
                                                      qp->r_rq.wq);
-                       if (!qp->ip) {
-                               ret = ERR_PTR(-ENOMEM);
+                       if (IS_ERR(qp->ip)) {
+                               ret = ERR_CAST(qp->ip);
                                goto bail_qpn;
                        }
 
index 24fef02..f547c11 100644 (file)
@@ -111,8 +111,8 @@ int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
                u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz;
 
                srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq);
-               if (!srq->ip) {
-                       ret = -ENOMEM;
+               if (IS_ERR(srq->ip)) {
+                       ret = PTR_ERR(srq->ip);
                        goto bail_wq;
                }
 
index ae92c80..9f53aa4 100644 (file)
@@ -920,20 +920,27 @@ static int siw_fastreg_mr(struct ib_pd *pd, struct siw_sqe *sqe)
 {
        struct ib_mr *base_mr = (struct ib_mr *)(uintptr_t)sqe->base_mr;
        struct siw_device *sdev = to_siw_dev(pd->device);
-       struct siw_mem *mem = siw_mem_id2obj(sdev, sqe->rkey  >> 8);
+       struct siw_mem *mem;
        int rv = 0;
 
        siw_dbg_pd(pd, "STag 0x%08x\n", sqe->rkey);
 
-       if (unlikely(!mem || !base_mr)) {
+       if (unlikely(!base_mr)) {
                pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey);
                return -EINVAL;
        }
+
        if (unlikely(base_mr->rkey >> 8 != sqe->rkey  >> 8)) {
                pr_warn("siw: fastreg: STag 0x%08x: bad MR\n", sqe->rkey);
-               rv = -EINVAL;
-               goto out;
+               return -EINVAL;
        }
+
+       mem = siw_mem_id2obj(sdev, sqe->rkey  >> 8);
+       if (unlikely(!mem)) {
+               pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey);
+               return -EINVAL;
+       }
+
        if (unlikely(mem->pd != pd)) {
                pr_warn("siw: fastreg: PD mismatch\n");
                rv = -EINVAL;
index 2adfde8..2a11a63 100644 (file)
@@ -96,6 +96,8 @@ static inline void tcs_cmd_gen(struct tcs_cmd *cmd, u64 vote_x, u64 vote_y,
        if (!cmd)
                return;
 
+       memset(cmd, 0, sizeof(*cmd));
+
        if (vote_x == 0 && vote_y == 0)
                valid = false;
 
@@ -112,8 +114,7 @@ static inline void tcs_cmd_gen(struct tcs_cmd *cmd, u64 vote_x, u64 vote_y,
         * Set the wait for completion flag on command that need to be completed
         * before the next command.
         */
-       if (commit)
-               cmd->wait = true;
+       cmd->wait = commit;
 }
 
 static void tcs_list_gen(struct list_head *bcm_list, int bucket,
index 58b4a4d..2ab07ce 100644 (file)
@@ -362,7 +362,7 @@ config IPMMU_VMSA
 
 config SPAPR_TCE_IOMMU
        bool "sPAPR TCE IOMMU Support"
-       depends on PPC_POWERNV || PPC_PSERIES || (PPC && COMPILE_TEST)
+       depends on PPC_POWERNV || PPC_PSERIES
        select IOMMU_API
        help
          Enables bits of IOMMU API required by VFIO. The iommu_ops
@@ -457,7 +457,7 @@ config S390_AP_IOMMU
 
 config MTK_IOMMU
        bool "MTK IOMMU Support"
-       depends on ARM || ARM64 || COMPILE_TEST
+       depends on HAS_DMA
        depends on ARCH_MEDIATEK || COMPILE_TEST
        select ARM_DMA_USE_IOMMU
        select IOMMU_API
index 6be3853..2b9a67e 100644 (file)
@@ -2936,7 +2936,7 @@ static int __init parse_amd_iommu_intr(char *str)
 {
        for (; *str; ++str) {
                if (strncmp(str, "legacy", 6) == 0) {
-                       amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY;
+                       amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY_GA;
                        break;
                }
                if (strncmp(str, "vapic", 5) == 0) {
index ef0a524..0182cff 100644 (file)
@@ -371,11 +371,11 @@ int dmar_disabled = 0;
 int dmar_disabled = 1;
 #endif /* CONFIG_INTEL_IOMMU_DEFAULT_ON */
 
-#ifdef INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
+#ifdef CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
 int intel_iommu_sm = 1;
 #else
 int intel_iommu_sm;
-#endif /* INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON */
+#endif /* CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON */
 
 int intel_iommu_enabled = 0;
 EXPORT_SYMBOL_GPL(intel_iommu_enabled);
index 2b47141..7b37542 100644 (file)
@@ -170,6 +170,7 @@ static struct dev_iommu *dev_iommu_get(struct device *dev)
 
 static void dev_iommu_free(struct device *dev)
 {
+       iommu_fwspec_free(dev);
        kfree(dev->iommu);
        dev->iommu = NULL;
 }
@@ -1428,7 +1429,7 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev)
 
        return group;
 }
-EXPORT_SYMBOL(iommu_group_get_for_dev);
+EXPORT_SYMBOL_GPL(iommu_group_get_for_dev);
 
 struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
 {
index 0e2a964..5b3b270 100644 (file)
@@ -824,8 +824,11 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
        qcom_iommu->dev = dev;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (res)
+       if (res) {
                qcom_iommu->local_base = devm_ioremap_resource(dev, res);
+               if (IS_ERR(qcom_iommu->local_base))
+                       return PTR_ERR(qcom_iommu->local_base);
+       }
 
        qcom_iommu->iface_clk = devm_clk_get(dev, "iface");
        if (IS_ERR(qcom_iommu->iface_clk)) {
index 58fd137..3e50009 100644 (file)
@@ -585,10 +585,12 @@ static struct pgpath *__map_bio(struct multipath *m, struct bio *bio)
 
        /* Do we need to select a new pgpath? */
        pgpath = READ_ONCE(m->current_pgpath);
-       queue_io = test_bit(MPATHF_QUEUE_IO, &m->flags);
-       if (!pgpath || !queue_io)
+       if (!pgpath || !test_bit(MPATHF_QUEUE_IO, &m->flags))
                pgpath = choose_pgpath(m, bio->bi_iter.bi_size);
 
+       /* MPATHF_QUEUE_IO might have been cleared by choose_pgpath. */
+       queue_io = test_bit(MPATHF_QUEUE_IO, &m->flags);
+
        if ((pgpath && queue_io) ||
            (!pgpath && test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags))) {
                /* Queue for the daemon to resubmit */
index 49147e6..fb41b4f 100644 (file)
@@ -435,7 +435,7 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io,
        fio->level++;
 
        if (type == DM_VERITY_BLOCK_TYPE_METADATA)
-               block += v->data_blocks;
+               block = block - v->hash_start + v->data_blocks;
 
        /*
         * For RS(M, N), the continuous FEC data is divided into blocks of N
index 114927d..613c171 100644 (file)
@@ -931,6 +931,24 @@ static int writecache_alloc_entries(struct dm_writecache *wc)
        return 0;
 }
 
+static int writecache_read_metadata(struct dm_writecache *wc, sector_t n_sectors)
+{
+       struct dm_io_region region;
+       struct dm_io_request req;
+
+       region.bdev = wc->ssd_dev->bdev;
+       region.sector = wc->start_sector;
+       region.count = n_sectors;
+       req.bi_op = REQ_OP_READ;
+       req.bi_op_flags = REQ_SYNC;
+       req.mem.type = DM_IO_VMA;
+       req.mem.ptr.vma = (char *)wc->memory_map;
+       req.client = wc->dm_io;
+       req.notify.fn = NULL;
+
+       return dm_io(&req, 1, &region, NULL);
+}
+
 static void writecache_resume(struct dm_target *ti)
 {
        struct dm_writecache *wc = ti->private;
@@ -941,8 +959,18 @@ static void writecache_resume(struct dm_target *ti)
 
        wc_lock(wc);
 
-       if (WC_MODE_PMEM(wc))
+       if (WC_MODE_PMEM(wc)) {
                persistent_memory_invalidate_cache(wc->memory_map, wc->memory_map_size);
+       } else {
+               r = writecache_read_metadata(wc, wc->metadata_sectors);
+               if (r) {
+                       size_t sb_entries_offset;
+                       writecache_error(wc, r, "unable to read metadata: %d", r);
+                       sb_entries_offset = offsetof(struct wc_memory_superblock, entries);
+                       memset((char *)wc->memory_map + sb_entries_offset, -1,
+                              (wc->metadata_sectors << SECTOR_SHIFT) - sb_entries_offset);
+               }
+       }
 
        wc->tree = RB_ROOT;
        INIT_LIST_HEAD(&wc->lru);
@@ -2102,6 +2130,12 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
                ti->error = "Invalid block size";
                goto bad;
        }
+       if (wc->block_size < bdev_logical_block_size(wc->dev->bdev) ||
+           wc->block_size < bdev_logical_block_size(wc->ssd_dev->bdev)) {
+               r = -EINVAL;
+               ti->error = "Block size is smaller than device logical block size";
+               goto bad;
+       }
        wc->block_size_bits = __ffs(wc->block_size);
 
        wc->max_writeback_jobs = MAX_WRITEBACK_JOBS;
@@ -2200,8 +2234,6 @@ invalid_optional:
                        goto bad;
                }
        } else {
-               struct dm_io_region region;
-               struct dm_io_request req;
                size_t n_blocks, n_metadata_blocks;
                uint64_t n_bitmap_bits;
 
@@ -2258,19 +2290,9 @@ invalid_optional:
                        goto bad;
                }
 
-               region.bdev = wc->ssd_dev->bdev;
-               region.sector = wc->start_sector;
-               region.count = wc->metadata_sectors;
-               req.bi_op = REQ_OP_READ;
-               req.bi_op_flags = REQ_SYNC;
-               req.mem.type = DM_IO_VMA;
-               req.mem.ptr.vma = (char *)wc->memory_map;
-               req.client = wc->dm_io;
-               req.notify.fn = NULL;
-
-               r = dm_io(&req, 1, &region, NULL);
+               r = writecache_read_metadata(wc, wc->block_size >> SECTOR_SHIFT);
                if (r) {
-                       ti->error = "Unable to read metadata";
+                       ti->error = "Unable to read first block of metadata";
                        goto bad;
                }
        }
index 3d21c38..0c390fe 100644 (file)
@@ -203,11 +203,12 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        }
        hw = to_me_hw(dev);
        hw->mem_addr = pcim_iomap_table(pdev)[0];
-       hw->irq = pdev->irq;
        hw->read_fws = mei_me_read_fws;
 
        pci_enable_msi(pdev);
 
+       hw->irq = pdev->irq;
+
         /* request and enable interrupt */
        irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;
 
index 5bd0ab8..baa6314 100644 (file)
@@ -878,7 +878,7 @@ static int mmc_send_hpi_cmd(struct mmc_card *card)
  *     Issued High Priority Interrupt, and check for card status
  *     until out-of prg-state.
  */
-int mmc_interrupt_hpi(struct mmc_card *card)
+static int mmc_interrupt_hpi(struct mmc_card *card)
 {
        int err;
        u32 status;
index c2239ee..75934f3 100644 (file)
@@ -5,6 +5,7 @@
 #include <linux/delay.h>
 #include <linux/highmem.h>
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
@@ -349,12 +350,16 @@ static int cqhci_enable(struct mmc_host *mmc, struct mmc_card *card)
 /* CQHCI is idle and should halt immediately, so set a small timeout */
 #define CQHCI_OFF_TIMEOUT 100
 
+static u32 cqhci_read_ctl(struct cqhci_host *cq_host)
+{
+       return cqhci_readl(cq_host, CQHCI_CTL);
+}
+
 static void cqhci_off(struct mmc_host *mmc)
 {
        struct cqhci_host *cq_host = mmc->cqe_private;
-       ktime_t timeout;
-       bool timed_out;
        u32 reg;
+       int err;
 
        if (!cq_host->enabled || !mmc->cqe_on || cq_host->recovery_halt)
                return;
@@ -364,15 +369,9 @@ static void cqhci_off(struct mmc_host *mmc)
 
        cqhci_writel(cq_host, CQHCI_HALT, CQHCI_CTL);
 
-       timeout = ktime_add_us(ktime_get(), CQHCI_OFF_TIMEOUT);
-       while (1) {
-               timed_out = ktime_compare(ktime_get(), timeout) > 0;
-               reg = cqhci_readl(cq_host, CQHCI_CTL);
-               if ((reg & CQHCI_HALT) || timed_out)
-                       break;
-       }
-
-       if (timed_out)
+       err = readx_poll_timeout(cqhci_read_ctl, cq_host, reg,
+                                reg & CQHCI_HALT, 0, CQHCI_OFF_TIMEOUT);
+       if (err < 0)
                pr_err("%s: cqhci: CQE stuck on\n", mmc_hostname(mmc));
        else
                pr_debug("%s: cqhci: CQE off\n", mmc_hostname(mmc));
index 8b038e7..2e58743 100644 (file)
@@ -357,14 +357,6 @@ static void meson_mx_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
                meson_mx_mmc_start_cmd(mmc, mrq->cmd);
 }
 
-static int meson_mx_mmc_card_busy(struct mmc_host *mmc)
-{
-       struct meson_mx_mmc_host *host = mmc_priv(mmc);
-       u32 irqc = readl(host->base + MESON_MX_SDIO_IRQC);
-
-       return !!(irqc & MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK);
-}
-
 static void meson_mx_mmc_read_response(struct mmc_host *mmc,
                                       struct mmc_command *cmd)
 {
@@ -506,7 +498,6 @@ static void meson_mx_mmc_timeout(struct timer_list *t)
 static struct mmc_host_ops meson_mx_mmc_ops = {
        .request                = meson_mx_mmc_request,
        .set_ios                = meson_mx_mmc_set_ios,
-       .card_busy              = meson_mx_mmc_card_busy,
        .get_cd                 = mmc_gpio_get_cd,
        .get_ro                 = mmc_gpio_get_ro,
 };
@@ -570,7 +561,7 @@ static int meson_mx_mmc_add_host(struct meson_mx_mmc_host *host)
        mmc->f_max = clk_round_rate(host->cfg_div_clk,
                                    clk_get_rate(host->parent_clk));
 
-       mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23;
+       mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY;
        mmc->ops = &meson_mx_mmc_ops;
 
        ret = mmc_of_parse(mmc);
index 09ff731..a8bcb3f 100644 (file)
@@ -2087,6 +2087,8 @@ static int sdhci_msm_probe(struct platform_device *pdev)
                goto clk_disable;
        }
 
+       msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;
+
        pm_runtime_get_noresume(&pdev->dev);
        pm_runtime_set_active(&pdev->dev);
        pm_runtime_enable(&pdev->dev);
index 525de24..2527244 100644 (file)
@@ -601,6 +601,9 @@ static int intel_select_drive_strength(struct mmc_card *card,
        struct sdhci_pci_slot *slot = sdhci_priv(host);
        struct intel_host *intel_host = sdhci_pci_priv(slot);
 
+       if (!(mmc_driver_type_mask(intel_host->drv_strength) & card_drv))
+               return 0;
+
        return intel_host->drv_strength;
 }
 
index 1dea1ba..4703cd5 100644 (file)
@@ -235,6 +235,16 @@ static void xenon_voltage_switch(struct sdhci_host *host)
 {
        /* Wait for 5ms after set 1.8V signal enable bit */
        usleep_range(5000, 5500);
+
+       /*
+        * For some reason the controller's Host Control2 register reports
+        * the bit representing 1.8V signaling as 0 when read after it was
+        * written as 1. Subsequent read reports 1.
+        *
+        * Since this may cause some issues, do an empty read of the Host
+        * Control2 register here to circumvent this.
+        */
+       sdhci_readw(host, SDHCI_HOST_CONTROL2);
 }
 
 static const struct sdhci_ops sdhci_xenon_ops = {
index 91c1bd6..f2adea9 100644 (file)
@@ -3642,6 +3642,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 
        return;
  out_put_disk:
+       /* prevent double queue cleanup */
+       ns->disk->queue = NULL;
        put_disk(ns->disk);
  out_unlink_ns:
        mutex_lock(&ctrl->subsys->lock);
index a208aca..c591c95 100644 (file)
@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config PHY_TEGRA_XUSB
        tristate "NVIDIA Tegra XUSB pad controller driver"
-       depends on ARCH_TEGRA
+       depends on ARCH_TEGRA && USB_SUPPORT
+       select USB_COMMON
        select USB_CONN_GPIO
        select USB_PHY
        help
index b7f2c00..9c4af76 100644 (file)
@@ -52,28 +52,15 @@ static int cros_ec_sensorhub_register(struct device *dev,
        int sensor_type[MOTIONSENSE_TYPE_MAX] = { 0 };
        struct cros_ec_command *msg = sensorhub->msg;
        struct cros_ec_dev *ec = sensorhub->ec;
-       int ret, i, sensor_num;
+       int ret, i;
        char *name;
 
-       sensor_num = cros_ec_get_sensor_count(ec);
-       if (sensor_num < 0) {
-               dev_err(dev,
-                       "Unable to retrieve sensor information (err:%d)\n",
-                       sensor_num);
-               return sensor_num;
-       }
-
-       sensorhub->sensor_num = sensor_num;
-       if (sensor_num == 0) {
-               dev_err(dev, "Zero sensors reported.\n");
-               return -EINVAL;
-       }
 
        msg->version = 1;
        msg->insize = sizeof(struct ec_response_motion_sense);
        msg->outsize = sizeof(struct ec_params_motion_sense);
 
-       for (i = 0; i < sensor_num; i++) {
+       for (i = 0; i < sensorhub->sensor_num; i++) {
                sensorhub->params->cmd = MOTIONSENSE_CMD_INFO;
                sensorhub->params->info.sensor_num = i;
 
@@ -140,8 +127,7 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
        struct cros_ec_dev *ec = dev_get_drvdata(dev->parent);
        struct cros_ec_sensorhub *data;
        struct cros_ec_command *msg;
-       int ret;
-       int i;
+       int ret, i, sensor_num;
 
        msg = devm_kzalloc(dev, sizeof(struct cros_ec_command) +
                           max((u16)sizeof(struct ec_params_motion_sense),
@@ -166,10 +152,52 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
        dev_set_drvdata(dev, data);
 
        /* Check whether this EC is a sensor hub. */
-       if (cros_ec_check_features(data->ec, EC_FEATURE_MOTION_SENSE)) {
+       if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) {
+               sensor_num = cros_ec_get_sensor_count(ec);
+               if (sensor_num < 0) {
+                       dev_err(dev,
+                               "Unable to retrieve sensor information (err:%d)\n",
+                               sensor_num);
+                       return sensor_num;
+               }
+               if (sensor_num == 0) {
+                       dev_err(dev, "Zero sensors reported.\n");
+                       return -EINVAL;
+               }
+               data->sensor_num = sensor_num;
+
+               /*
+                * Prepare the ring handler before enumering the
+                * sensors.
+                */
+               if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
+                       ret = cros_ec_sensorhub_ring_allocate(data);
+                       if (ret)
+                               return ret;
+               }
+
+               /* Enumerate the sensors.*/
                ret = cros_ec_sensorhub_register(dev, data);
                if (ret)
                        return ret;
+
+               /*
+                * When the EC does not have a FIFO, the sensors will query
+                * their data themselves via sysfs or a software trigger.
+                */
+               if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
+                       ret = cros_ec_sensorhub_ring_add(data);
+                       if (ret)
+                               return ret;
+                       /*
+                        * The msg and its data is not under the control of the
+                        * ring handler.
+                        */
+                       return devm_add_action_or_reset(dev,
+                                       cros_ec_sensorhub_ring_remove,
+                                       data);
+               }
+
        } else {
                /*
                 * If the device has sensors but does not claim to
@@ -184,22 +212,6 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
                }
        }
 
-       /*
-        * If the EC does not have a FIFO, the sensors will query their data
-        * themselves via sysfs or a software trigger.
-        */
-       if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
-               ret = cros_ec_sensorhub_ring_add(data);
-               if (ret)
-                       return ret;
-               /*
-                * The msg and its data is not under the control of the ring
-                * handler.
-                */
-               return devm_add_action_or_reset(dev,
-                                               cros_ec_sensorhub_ring_remove,
-                                               data);
-       }
 
        return 0;
 }
index c48e5b3..24e48d9 100644 (file)
@@ -957,17 +957,15 @@ static int cros_ec_sensorhub_event(struct notifier_block *nb,
 }
 
 /**
- * cros_ec_sensorhub_ring_add() - Add the FIFO functionality if the EC
- *                               supports it.
+ * cros_ec_sensorhub_ring_allocate() - Prepare the FIFO functionality if the EC
+ *                                    supports it.
  *
  * @sensorhub : Sensor Hub object.
  *
  * Return: 0 on success.
  */
-int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
+int cros_ec_sensorhub_ring_allocate(struct cros_ec_sensorhub *sensorhub)
 {
-       struct cros_ec_dev *ec = sensorhub->ec;
-       int ret;
        int fifo_info_length =
                sizeof(struct ec_response_motion_sense_fifo_info) +
                sizeof(u16) * sensorhub->sensor_num;
@@ -978,6 +976,49 @@ int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
        if (!sensorhub->fifo_info)
                return -ENOMEM;
 
+       /*
+        * Allocate the callback area based on the number of sensors.
+        * Add one for the sensor ring.
+        */
+       sensorhub->push_data = devm_kcalloc(sensorhub->dev,
+                       sensorhub->sensor_num,
+                       sizeof(*sensorhub->push_data),
+                       GFP_KERNEL);
+       if (!sensorhub->push_data)
+               return -ENOMEM;
+
+       sensorhub->tight_timestamps = cros_ec_check_features(
+                       sensorhub->ec,
+                       EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS);
+
+       if (sensorhub->tight_timestamps) {
+               sensorhub->batch_state = devm_kcalloc(sensorhub->dev,
+                               sensorhub->sensor_num,
+                               sizeof(*sensorhub->batch_state),
+                               GFP_KERNEL);
+               if (!sensorhub->batch_state)
+                       return -ENOMEM;
+       }
+
+       return 0;
+}
+
+/**
+ * cros_ec_sensorhub_ring_add() - Add the FIFO functionality if the EC
+ *                               supports it.
+ *
+ * @sensorhub : Sensor Hub object.
+ *
+ * Return: 0 on success.
+ */
+int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
+{
+       struct cros_ec_dev *ec = sensorhub->ec;
+       int ret;
+       int fifo_info_length =
+               sizeof(struct ec_response_motion_sense_fifo_info) +
+               sizeof(u16) * sensorhub->sensor_num;
+
        /* Retrieve FIFO information */
        sensorhub->msg->version = 2;
        sensorhub->params->cmd = MOTIONSENSE_CMD_FIFO_INFO;
@@ -998,31 +1039,9 @@ int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
        if (!sensorhub->ring)
                return -ENOMEM;
 
-       /*
-        * Allocate the callback area based on the number of sensors.
-        */
-       sensorhub->push_data = devm_kcalloc(
-                       sensorhub->dev, sensorhub->sensor_num,
-                       sizeof(*sensorhub->push_data),
-                       GFP_KERNEL);
-       if (!sensorhub->push_data)
-               return -ENOMEM;
-
        sensorhub->fifo_timestamp[CROS_EC_SENSOR_LAST_TS] =
                cros_ec_get_time_ns();
 
-       sensorhub->tight_timestamps = cros_ec_check_features(
-                       ec, EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS);
-
-       if (sensorhub->tight_timestamps) {
-               sensorhub->batch_state = devm_kcalloc(sensorhub->dev,
-                               sensorhub->sensor_num,
-                               sizeof(*sensorhub->batch_state),
-                               GFP_KERNEL);
-               if (!sensorhub->batch_state)
-                       return -ENOMEM;
-       }
-
        /* Register the notifier that will act as a top half interrupt. */
        sensorhub->notifier.notifier_call = cros_ec_sensorhub_event;
        ret = blocking_notifier_chain_register(&ec->ec_dev->event_notifier,
index 6f12747..c4404d9 100644 (file)
@@ -515,9 +515,33 @@ static struct asus_wmi_driver asus_nb_wmi_driver = {
        .detect_quirks = asus_nb_wmi_quirks,
 };
 
+static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
+       {
+               /*
+                * asus-nb-wm adds no functionality. The T100TA has a detachable
+                * USB kbd, so no hotkeys and it has no WMI rfkill; and loading
+                * asus-nb-wm causes the camera LED to turn and _stay_ on.
+                */
+               .matches = {
+                       DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+                       DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+               },
+       },
+       {
+               /* The Asus T200TA has the same issue as the T100TA */
+               .matches = {
+                       DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+                       DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
+               },
+       },
+       {} /* Terminating entry */
+};
 
 static int __init asus_nb_wmi_init(void)
 {
+       if (dmi_check_system(asus_nb_wmi_blacklist))
+               return -ENODEV;
+
        return asus_wmi_register_driver(&asus_nb_wmi_driver);
 }
 
index b96d172..12d5ab7 100644 (file)
@@ -53,7 +53,7 @@ static int uncore_max_entries __read_mostly;
 /* Storage for uncore data for all instances */
 static struct uncore_data *uncore_instances;
 /* Root of the all uncore sysfs kobjs */
-struct kobject *uncore_root_kobj;
+static struct kobject *uncore_root_kobj;
 /* Stores the CPU mask of the target CPUs to use during uncore read/write */
 static cpumask_t uncore_cpu_mask;
 /* CPU online callback register instance */
index d2a5d4c..7c8bdab 100644 (file)
@@ -255,7 +255,7 @@ static const struct pmc_bit_map *ext_cnp_pfear_map[] = {
 };
 
 static const struct pmc_bit_map icl_pfear_map[] = {
-       /* Ice Lake generation onwards only */
+       /* Ice Lake and Jasper Lake generation onwards only */
        {"RES_65",              BIT(0)},
        {"RES_66",              BIT(1)},
        {"RES_67",              BIT(2)},
@@ -274,7 +274,7 @@ static const struct pmc_bit_map *ext_icl_pfear_map[] = {
 };
 
 static const struct pmc_bit_map tgl_pfear_map[] = {
-       /* Tiger Lake, Elkhart Lake and Jasper Lake generation onwards only */
+       /* Tiger Lake and Elkhart Lake generation onwards only */
        {"PSF9",                BIT(0)},
        {"RES_66",              BIT(1)},
        {"RES_67",              BIT(2)},
@@ -692,7 +692,6 @@ static void pmc_core_lpm_display(struct pmc_dev *pmcdev, struct device *dev,
        kfree(lpm_regs);
 }
 
-#if IS_ENABLED(CONFIG_DEBUG_FS)
 static bool slps0_dbg_latch;
 
 static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
@@ -1133,15 +1132,6 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
                                    &pmc_core_substate_l_sts_regs_fops);
        }
 }
-#else
-static inline void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
-{
-}
-
-static inline void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
-{
-}
-#endif /* CONFIG_DEBUG_FS */
 
 static const struct x86_cpu_id intel_pmc_core_ids[] = {
        X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_L,           &spt_reg_map),
@@ -1156,7 +1146,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
        X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L,         &tgl_reg_map),
        X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE,           &tgl_reg_map),
        X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT,        &tgl_reg_map),
-       X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L,      &tgl_reg_map),
+       X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L,      &icl_reg_map),
        {}
 };
 
@@ -1260,13 +1250,11 @@ static int pmc_core_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-
 static bool warn_on_s0ix_failures;
 module_param(warn_on_s0ix_failures, bool, 0644);
 MODULE_PARM_DESC(warn_on_s0ix_failures, "Check and warn for S0ix failures");
 
-static int pmc_core_suspend(struct device *dev)
+static __maybe_unused int pmc_core_suspend(struct device *dev)
 {
        struct pmc_dev *pmcdev = dev_get_drvdata(dev);
 
@@ -1318,7 +1306,7 @@ static inline bool pmc_core_is_s0ix_failed(struct pmc_dev *pmcdev)
        return false;
 }
 
-static int pmc_core_resume(struct device *dev)
+static __maybe_unused int pmc_core_resume(struct device *dev)
 {
        struct pmc_dev *pmcdev = dev_get_drvdata(dev);
        const struct pmc_bit_map **maps = pmcdev->map->lpm_sts;
@@ -1348,8 +1336,6 @@ static int pmc_core_resume(struct device *dev)
        return 0;
 }
 
-#endif
-
 static const struct dev_pm_ops pmc_core_pm_ops = {
        SET_LATE_SYSTEM_SLEEP_PM_OPS(pmc_core_suspend, pmc_core_resume)
 };
index 0d50b24..5eae55d 100644 (file)
@@ -282,9 +282,7 @@ struct pmc_dev {
        u32 base_addr;
        void __iomem *regbase;
        const struct pmc_reg_map *map;
-#if IS_ENABLED(CONFIG_DEBUG_FS)
        struct dentry *dbgfs_dir;
-#endif /* CONFIG_DEBUG_FS */
        int pmc_xram_read_bit;
        struct mutex lock; /* generic mutex lock for PMC Core */
 
index 946ac2d..cc4f9cb 100644 (file)
@@ -522,8 +522,8 @@ static int mshw0011_probe(struct i2c_client *client)
        strlcpy(board_info.type, "MSHW0011-bat0", I2C_NAME_SIZE);
 
        bat0 = i2c_acpi_new_device(dev, 1, &board_info);
-       if (!bat0)
-               return -ENOMEM;
+       if (IS_ERR(bat0))
+               return PTR_ERR(bat0);
 
        data->bat0 = bat0;
        i2c_set_clientdata(bat0, data);
index 8eaadba..0f70448 100644 (file)
@@ -9548,7 +9548,7 @@ static ssize_t tpacpi_battery_store(int what,
                if (!battery_info.batteries[battery].start_support)
                        return -ENODEV;
                /* valid values are [0, 99] */
-               if (value < 0 || value > 99)
+               if (value > 99)
                        return -EINVAL;
                if (value > battery_info.batteries[battery].charge_stop)
                        return -EINVAL;
index 601cbb2..54a2546 100644 (file)
@@ -23,7 +23,7 @@ struct xiaomi_wmi {
        unsigned int key_code;
 };
 
-int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
+static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
 {
        struct xiaomi_wmi *data;
 
@@ -48,7 +48,7 @@ int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
        return input_register_device(data->input_dev);
 }
 
-void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
+static void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
 {
        struct xiaomi_wmi *data;
 
index d190db5..1d9a486 100644 (file)
@@ -3732,6 +3732,13 @@ qla2x00_remove_one(struct pci_dev *pdev)
        }
        qla2x00_wait_for_hba_ready(base_vha);
 
+       /*
+        * if UNLOADING flag is already set, then continue unload,
+        * where it was set first.
+        */
+       if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
+               return;
+
        if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
            IS_QLA28XX(ha)) {
                if (ha->flags.fw_started)
@@ -3750,15 +3757,6 @@ qla2x00_remove_one(struct pci_dev *pdev)
 
        qla2x00_wait_for_sess_deletion(base_vha);
 
-       /*
-        * if UNLOAD flag is already set, then continue unload,
-        * where it was set first.
-        */
-       if (test_bit(UNLOADING, &base_vha->dpc_flags))
-               return;
-
-       set_bit(UNLOADING, &base_vha->dpc_flags);
-
        qla_nvme_delete(base_vha);
 
        dma_free_coherent(&ha->pdev->dev,
@@ -4864,6 +4862,9 @@ qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
        struct qla_work_evt *e;
        uint8_t bail;
 
+       if (test_bit(UNLOADING, &vha->dpc_flags))
+               return NULL;
+
        QLA_VHA_MARK_BUSY(vha, bail);
        if (bail)
                return NULL;
@@ -6628,13 +6629,6 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work)
        struct pci_dev *pdev = ha->pdev;
        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 
-       /*
-        * if UNLOAD flag is already set, then continue unload,
-        * where it was set first.
-        */
-       if (test_bit(UNLOADING, &base_vha->dpc_flags))
-               return;
-
        ql_log(ql_log_warn, base_vha, 0x015b,
            "Disabling adapter.\n");
 
@@ -6645,9 +6639,14 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work)
                return;
        }
 
-       qla2x00_wait_for_sess_deletion(base_vha);
+       /*
+        * if UNLOADING flag is already set, then continue unload,
+        * where it was set first.
+        */
+       if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
+               return;
 
-       set_bit(UNLOADING, &base_vha->dpc_flags);
+       qla2x00_wait_for_sess_deletion(base_vha);
 
        qla2x00_delete_all_vps(ha, base_vha);
 
index 47835c4..06c260f 100644 (file)
@@ -2284,6 +2284,7 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
                switch (oldstate) {
                case SDEV_RUNNING:
                case SDEV_CREATED_BLOCK:
+               case SDEV_QUIESCE:
                case SDEV_OFFLINE:
                        break;
                default:
index 08d1bbb..e84b4fb 100644 (file)
@@ -2725,8 +2725,10 @@ static int comedi_open(struct inode *inode, struct file *file)
        }
 
        cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);
-       if (!cfp)
+       if (!cfp) {
+               comedi_dev_put(dev);
                return -ENOMEM;
+       }
 
        cfp->dev = dev;
 
index 83026ba..78a7c1b 100644 (file)
@@ -92,6 +92,7 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
        int ret;
 
        for (i = 0; i < insn->n; i++) {
+               /* FIXME: lo bit 0 chooses voltage output or current output */
                lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01;
                hi = (data[i] & 0xff0) >> 4;
 
@@ -105,6 +106,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
                if (ret)
                        return ret;
 
+               outb(hi, dev->iobase + DT2815_DATA);
+
                devpriv->ao_readback[chan] = data[i];
        }
        return i;
index a2d67c2..5f0e089 100644 (file)
@@ -228,8 +228,7 @@ int gasket_sysfs_create_entries(struct device *device,
        }
 
        mutex_lock(&mapping->mutex);
-       for (i = 0; strcmp(attrs[i].attr.attr.name, GASKET_ARRAY_END_MARKER);
-               i++) {
+       for (i = 0; attrs[i].attr.attr.name != NULL; i++) {
                if (mapping->attribute_count == GASKET_SYSFS_MAX_NODES) {
                        dev_err(device,
                                "Maximum number of sysfs nodes reached for device\n");
index 1d0eed6..ab5aa35 100644 (file)
  */
 #define GASKET_SYSFS_MAX_NODES 196
 
-/* End markers for sysfs struct arrays. */
-#define GASKET_ARRAY_END_TOKEN GASKET_RESERVED_ARRAY_END
-#define GASKET_ARRAY_END_MARKER __stringify(GASKET_ARRAY_END_TOKEN)
-
 /*
  * Terminator struct for a gasket_sysfs_attr array. Must be at the end of
  * all gasket_sysfs_attribute arrays.
index 41b73f9..ac3b188 100644 (file)
@@ -83,9 +83,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
        case  VNT_KEY_PAIRWISE:
                key_mode |= mode;
                key_inx = 4;
-               /* Don't save entry for pairwise key for station mode */
-               if (priv->op_mode == NL80211_IFTYPE_STATION)
-                       clear_bit(entry, &priv->key_entry_inuse);
                break;
        default:
                return -EINVAL;
@@ -109,7 +106,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
 int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
                 struct ieee80211_vif *vif, struct ieee80211_key_conf *key)
 {
-       struct ieee80211_bss_conf *conf = &vif->bss_conf;
        struct vnt_private *priv = hw->priv;
        u8 *mac_addr = NULL;
        u8 key_dec_mode = 0;
@@ -154,16 +150,12 @@ int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
                return -EOPNOTSUPP;
        }
 
-       if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+       if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
                vnt_set_keymode(hw, mac_addr, key, VNT_KEY_PAIRWISE,
                                key_dec_mode, true);
-       } else {
-               vnt_set_keymode(hw, mac_addr, key, VNT_KEY_DEFAULTKEY,
+       else
+               vnt_set_keymode(hw, mac_addr, key, VNT_KEY_GROUP_ADDRESS,
                                key_dec_mode, true);
 
-               vnt_set_keymode(hw, (u8 *)conf->bssid, key,
-                               VNT_KEY_GROUP_ADDRESS, key_dec_mode, true);
-       }
-
        return 0;
 }
index 8e7269c..5f78cad 100644 (file)
@@ -625,8 +625,6 @@ static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
        priv->op_mode = vif->type;
 
-       vnt_set_bss_mode(priv);
-
        /* LED blink on TX */
        vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER);
 
@@ -713,7 +711,6 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
                priv->basic_rates = conf->basic_rates;
 
                vnt_update_top_rates(priv);
-               vnt_set_bss_mode(priv);
 
                dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates);
        }
@@ -742,11 +739,14 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
                        priv->short_slot_time = false;
 
                vnt_set_short_slot_time(priv);
-               vnt_update_ifs(priv);
                vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
                vnt_update_pre_ed_threshold(priv, false);
        }
 
+       if (changed & (BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE |
+                      BSS_CHANGED_ERP_SLOT))
+               vnt_set_bss_mode(priv);
+
        if (changed & BSS_CHANGED_TXPOWER)
                vnt_rf_setpower(priv, priv->current_rate,
                                conf->chandef.chan->hw_value);
@@ -770,12 +770,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
                        vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
                                            TFTCTL_TSFCNTREN);
 
-                       vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
-                                      conf->sync_tsf, priv->current_tsf);
-
                        vnt_mac_set_beacon_interval(priv, conf->beacon_int);
 
                        vnt_reset_next_tbtt(priv, conf->beacon_int);
+
+                       vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
+                                      conf->sync_tsf, priv->current_tsf);
+
+                       vnt_update_next_tbtt(priv,
+                                            conf->sync_tsf, conf->beacon_int);
                } else {
                        vnt_clear_current_tsf(priv);
 
@@ -809,15 +812,11 @@ static void vnt_configure(struct ieee80211_hw *hw,
 {
        struct vnt_private *priv = hw->priv;
        u8 rx_mode = 0;
-       int rc;
 
        *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
 
-       rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
-                           MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
-
-       if (!rc)
-               rx_mode = RCR_MULTICAST | RCR_BROADCAST;
+       vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
+                      MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
 
        dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);
 
@@ -856,8 +855,12 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
        case SET_KEY:
                return vnt_set_keys(hw, sta, vif, key);
        case DISABLE_KEY:
-               if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
+               if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) {
                        clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
+
+                       vnt_mac_disable_keyentry(priv, key->hw_key_idx);
+               }
+
        default:
                break;
        }
index eae211e..91b62c3 100644 (file)
@@ -207,7 +207,8 @@ static void vnt_int_process_data(struct vnt_private *priv)
                                priv->wake_up_count =
                                        priv->hw->conf.listen_interval;
 
-                       --priv->wake_up_count;
+                       if (priv->wake_up_count)
+                               --priv->wake_up_count;
 
                        /* Turn on wake up to listen next beacon */
                        if (priv->wake_up_count == 1)
index 51ffd5c..1c181d3 100644 (file)
@@ -432,7 +432,7 @@ iblock_execute_zero_out(struct block_device *bdev, struct se_cmd *cmd)
                                target_to_linux_sector(dev, cmd->t_task_lba),
                                target_to_linux_sector(dev,
                                        sbc_get_write_same_sectors(cmd)),
-                               GFP_KERNEL, false);
+                               GFP_KERNEL, BLKDEV_ZERO_NOUNMAP);
        if (ret)
                return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 
index 31b7e1b..d1b27b0 100644 (file)
@@ -88,7 +88,7 @@ config HVC_DCC
 
 config HVC_RISCV_SBI
        bool "RISC-V SBI console support"
-       depends on RISCV_SBI
+       depends on RISCV_SBI_V01
        select HVC_DRIVER
        help
          This enables support for console output via RISC-V SBI calls, which
index 27284a2..436cc51 100644 (file)
@@ -302,10 +302,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
        vtermnos[index] = vtermno;
        cons_ops[index] = ops;
 
-       /* reserve all indices up to and including this index */
-       if (last_hvc < index)
-               last_hvc = index;
-
        /* check if we need to re-register the kernel console */
        hvc_check_console(index);
 
@@ -960,13 +956,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
                    cons_ops[i] == hp->ops)
                        break;
 
-       /* no matching slot, just use a counter */
-       if (i >= MAX_NR_HVC_CONSOLES)
-               i = ++last_hvc;
+       if (i >= MAX_NR_HVC_CONSOLES) {
+
+               /* find 'empty' slot for console */
+               for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) {
+               }
+
+               /* no matching slot, just use a counter */
+               if (i == MAX_NR_HVC_CONSOLES)
+                       i = ++last_hvc + MAX_NR_HVC_CONSOLES;
+       }
 
        hp->index = i;
-       cons_ops[i] = ops;
-       vtermnos[i] = vtermno;
+       if (i < MAX_NR_HVC_CONSOLES) {
+               cons_ops[i] = ops;
+               vtermnos[i] = vtermno;
+       }
 
        list_add_tail(&(hp->next), &hvc_structs);
        mutex_unlock(&hvc_structs_mutex);
index fbaa4ec..e2138e7 100644 (file)
@@ -632,18 +632,21 @@ init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
        tty_port_init(&info->port);
        info->port.ops = &rocket_port_ops;
        info->flags &= ~ROCKET_MODE_MASK;
-       switch (pc104[board][line]) {
-       case 422:
-               info->flags |= ROCKET_MODE_RS422;
-               break;
-       case 485:
-               info->flags |= ROCKET_MODE_RS485;
-               break;
-       case 232:
-       default:
+       if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1))
+               switch (pc104[board][line]) {
+               case 422:
+                       info->flags |= ROCKET_MODE_RS422;
+                       break;
+               case 485:
+                       info->flags |= ROCKET_MODE_RS485;
+                       break;
+               case 232:
+               default:
+                       info->flags |= ROCKET_MODE_RS232;
+                       break;
+               }
+       else
                info->flags |= ROCKET_MODE_RS232;
-               break;
-       }
 
        info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
        if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {
index 0aea76c..adf9e80 100644 (file)
@@ -86,7 +86,7 @@ config SERIAL_EARLYCON_ARM_SEMIHOST
 
 config SERIAL_EARLYCON_RISCV_SBI
        bool "Early console using RISC-V SBI"
-       depends on RISCV_SBI
+       depends on RISCV_SBI_V01
        select SERIAL_CORE
        select SERIAL_CORE_CONSOLE
        select SERIAL_EARLYCON
index 5674da2..ed0aa5c 100644 (file)
@@ -843,8 +843,10 @@ static int bcm_uart_probe(struct platform_device *pdev)
        if (IS_ERR(clk) && pdev->dev.of_node)
                clk = of_clk_get(pdev->dev.of_node, 0);
 
-       if (IS_ERR(clk))
+       if (IS_ERR(clk)) {
+               clk_put(clk);
                return -ENODEV;
+       }
 
        port->iotype = UPIO_MEM;
        port->irq = res_irq->start;
index 42c8cc9..c149f8c 100644 (file)
@@ -680,6 +680,12 @@ static int owl_uart_probe(struct platform_device *pdev)
                return PTR_ERR(owl_port->clk);
        }
 
+       ret = clk_prepare_enable(owl_port->clk);
+       if (ret) {
+               dev_err(&pdev->dev, "could not enable clk\n");
+               return ret;
+       }
+
        owl_port->port.dev = &pdev->dev;
        owl_port->port.line = pdev->id;
        owl_port->port.type = PORT_OWL;
@@ -712,6 +718,7 @@ static int owl_uart_remove(struct platform_device *pdev)
 
        uart_remove_one_port(&owl_uart_driver, &owl_port->port);
        owl_uart_ports[pdev->id] = NULL;
+       clk_disable_unprepare(owl_port->clk);
 
        return 0;
 }
index c073aa7..e1179e7 100644 (file)
@@ -870,9 +870,16 @@ static void sci_receive_chars(struct uart_port *port)
                                tty_insert_flip_char(tport, c, TTY_NORMAL);
                } else {
                        for (i = 0; i < count; i++) {
-                               char c = serial_port_in(port, SCxRDR);
-
-                               status = serial_port_in(port, SCxSR);
+                               char c;
+
+                               if (port->type == PORT_SCIF ||
+                                   port->type == PORT_HSCIF) {
+                                       status = serial_port_in(port, SCxSR);
+                                       c = serial_port_in(port, SCxRDR);
+                               } else {
+                                       c = serial_port_in(port, SCxRDR);
+                                       status = serial_port_in(port, SCxSR);
+                               }
                                if (uart_handle_sysrq_char(port, c)) {
                                        count--; i--;
                                        continue;
index eafada8..e35073e 100644 (file)
@@ -567,6 +567,9 @@ static int hv_probe(struct platform_device *op)
        sunserial_console_match(&sunhv_console, op->dev.of_node,
                                &sunhv_reg, port->line, false);
 
+       /* We need to initialize lock even for non-registered console */
+       spin_lock_init(&port->lock);
+
        err = uart_add_one_port(&sunhv_reg, port);
        if (err)
                goto out_unregister_driver;
index 6b26f76..ac137b6 100644 (file)
 
 #define CDNS_UART_TTY_NAME     "ttyPS"
 #define CDNS_UART_NAME         "xuartps"
+#define CDNS_UART_MAJOR                0       /* use dynamic node allocation */
+#define CDNS_UART_MINOR                0       /* works best with devtmpfs */
+#define CDNS_UART_NR_PORTS     16
 #define CDNS_UART_FIFO_SIZE    64      /* FIFO size */
 #define CDNS_UART_REGISTER_SPACE       0x1000
 #define TX_TIMEOUT             500000
 
 /* Rx Trigger level */
 static int rx_trigger_level = 56;
-static int uartps_major;
 module_param(rx_trigger_level, uint, 0444);
 MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes");
 
@@ -188,7 +190,6 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
  * @pclk:              APB clock
  * @cdns_uart_driver:  Pointer to UART driver
  * @baud:              Current baud rate
- * @id:                        Port ID
  * @clk_rate_change_nb:        Notifier block for clock changes
  * @quirks:            Flags for RXBS support.
  */
@@ -198,7 +199,6 @@ struct cdns_uart {
        struct clk              *pclk;
        struct uart_driver      *cdns_uart_driver;
        unsigned int            baud;
-       int                     id;
        struct notifier_block   clk_rate_change_nb;
        u32                     quirks;
        bool cts_override;
@@ -1133,6 +1133,8 @@ static const struct uart_ops cdns_uart_ops = {
 #endif
 };
 
+static struct uart_driver cdns_uart_uart_driver;
+
 #ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
 /**
  * cdns_uart_console_putchar - write the character to the FIFO buffer
@@ -1272,6 +1274,16 @@ static int cdns_uart_console_setup(struct console *co, char *options)
 
        return uart_set_options(port, co, baud, parity, bits, flow);
 }
+
+static struct console cdns_uart_console = {
+       .name   = CDNS_UART_TTY_NAME,
+       .write  = cdns_uart_console_write,
+       .device = uart_console_device,
+       .setup  = cdns_uart_console_setup,
+       .flags  = CON_PRINTBUFFER,
+       .index  = -1, /* Specified on the cmdline (e.g. console=ttyPS ) */
+       .data   = &cdns_uart_uart_driver,
+};
 #endif /* CONFIG_SERIAL_XILINX_PS_UART_CONSOLE */
 
 #ifdef CONFIG_PM_SLEEP
@@ -1403,89 +1415,8 @@ static const struct of_device_id cdns_uart_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, cdns_uart_of_match);
 
-/*
- * Maximum number of instances without alias IDs but if there is alias
- * which target "< MAX_UART_INSTANCES" range this ID can't be used.
- */
-#define MAX_UART_INSTANCES     32
-
-/* Stores static aliases list */
-static DECLARE_BITMAP(alias_bitmap, MAX_UART_INSTANCES);
-static int alias_bitmap_initialized;
-
-/* Stores actual bitmap of allocated IDs with alias IDs together */
-static DECLARE_BITMAP(bitmap, MAX_UART_INSTANCES);
-/* Protect bitmap operations to have unique IDs */
-static DEFINE_MUTEX(bitmap_lock);
-
-static int cdns_get_id(struct platform_device *pdev)
-{
-       int id, ret;
-
-       mutex_lock(&bitmap_lock);
-
-       /* Alias list is stable that's why get alias bitmap only once */
-       if (!alias_bitmap_initialized) {
-               ret = of_alias_get_alias_list(cdns_uart_of_match, "serial",
-                                             alias_bitmap, MAX_UART_INSTANCES);
-               if (ret && ret != -EOVERFLOW) {
-                       mutex_unlock(&bitmap_lock);
-                       return ret;
-               }
-
-               alias_bitmap_initialized++;
-       }
-
-       /* Make sure that alias ID is not taken by instance without alias */
-       bitmap_or(bitmap, bitmap, alias_bitmap, MAX_UART_INSTANCES);
-
-       dev_dbg(&pdev->dev, "Alias bitmap: %*pb\n",
-               MAX_UART_INSTANCES, bitmap);
-
-       /* Look for a serialN alias */
-       id = of_alias_get_id(pdev->dev.of_node, "serial");
-       if (id < 0) {
-               dev_warn(&pdev->dev,
-                        "No serial alias passed. Using the first free id\n");
-
-               /*
-                * Start with id 0 and check if there is no serial0 alias
-                * which points to device which is compatible with this driver.
-                * If alias exists then try next free position.
-                */
-               id = 0;
-
-               for (;;) {
-                       dev_info(&pdev->dev, "Checking id %d\n", id);
-                       id = find_next_zero_bit(bitmap, MAX_UART_INSTANCES, id);
-
-                       /* No free empty instance */
-                       if (id == MAX_UART_INSTANCES) {
-                               dev_err(&pdev->dev, "No free ID\n");
-                               mutex_unlock(&bitmap_lock);
-                               return -EINVAL;
-                       }
-
-                       dev_dbg(&pdev->dev, "The empty id is %d\n", id);
-                       /* Check if ID is empty */
-                       if (!test_and_set_bit(id, bitmap)) {
-                               /* Break the loop if bit is taken */
-                               dev_dbg(&pdev->dev,
-                                       "Selected ID %d allocation passed\n",
-                                       id);
-                               break;
-                       }
-                       dev_dbg(&pdev->dev,
-                               "Selected ID %d allocation failed\n", id);
-                       /* if taking bit fails then try next one */
-                       id++;
-               }
-       }
-
-       mutex_unlock(&bitmap_lock);
-
-       return id;
-}
+/* Temporary variable for storing number of instances */
+static int instances;
 
 /**
  * cdns_uart_probe - Platform driver probe
@@ -1495,16 +1426,11 @@ static int cdns_get_id(struct platform_device *pdev)
  */
 static int cdns_uart_probe(struct platform_device *pdev)
 {
-       int rc, irq;
+       int rc, id, irq;
        struct uart_port *port;
        struct resource *res;
        struct cdns_uart *cdns_uart_data;
        const struct of_device_id *match;
-       struct uart_driver *cdns_uart_uart_driver;
-       char *driver_name;
-#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
-       struct console *cdns_uart_console;
-#endif
 
        cdns_uart_data = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_data),
                        GFP_KERNEL);
@@ -1514,64 +1440,35 @@ static int cdns_uart_probe(struct platform_device *pdev)
        if (!port)
                return -ENOMEM;
 
-       cdns_uart_uart_driver = devm_kzalloc(&pdev->dev,
-                                            sizeof(*cdns_uart_uart_driver),
-                                            GFP_KERNEL);
-       if (!cdns_uart_uart_driver)
-               return -ENOMEM;
-
-       cdns_uart_data->id = cdns_get_id(pdev);
-       if (cdns_uart_data->id < 0)
-               return cdns_uart_data->id;
+       /* Look for a serialN alias */
+       id = of_alias_get_id(pdev->dev.of_node, "serial");
+       if (id < 0)
+               id = 0;
 
-       /* There is a need to use unique driver name */
-       driver_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%d",
-                                    CDNS_UART_NAME, cdns_uart_data->id);
-       if (!driver_name) {
-               rc = -ENOMEM;
-               goto err_out_id;
+       if (id >= CDNS_UART_NR_PORTS) {
+               dev_err(&pdev->dev, "Cannot get uart_port structure\n");
+               return -ENODEV;
        }
 
-       cdns_uart_uart_driver->owner = THIS_MODULE;
-       cdns_uart_uart_driver->driver_name = driver_name;
-       cdns_uart_uart_driver->dev_name = CDNS_UART_TTY_NAME;
-       cdns_uart_uart_driver->major = uartps_major;
-       cdns_uart_uart_driver->minor = cdns_uart_data->id;
-       cdns_uart_uart_driver->nr = 1;
-
+       if (!cdns_uart_uart_driver.state) {
+               cdns_uart_uart_driver.owner = THIS_MODULE;
+               cdns_uart_uart_driver.driver_name = CDNS_UART_NAME;
+               cdns_uart_uart_driver.dev_name = CDNS_UART_TTY_NAME;
+               cdns_uart_uart_driver.major = CDNS_UART_MAJOR;
+               cdns_uart_uart_driver.minor = CDNS_UART_MINOR;
+               cdns_uart_uart_driver.nr = CDNS_UART_NR_PORTS;
 #ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
-       cdns_uart_console = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_console),
-                                        GFP_KERNEL);
-       if (!cdns_uart_console) {
-               rc = -ENOMEM;
-               goto err_out_id;
-       }
-
-       strncpy(cdns_uart_console->name, CDNS_UART_TTY_NAME,
-               sizeof(cdns_uart_console->name));
-       cdns_uart_console->index = cdns_uart_data->id;
-       cdns_uart_console->write = cdns_uart_console_write;
-       cdns_uart_console->device = uart_console_device;
-       cdns_uart_console->setup = cdns_uart_console_setup;
-       cdns_uart_console->flags = CON_PRINTBUFFER;
-       cdns_uart_console->data = cdns_uart_uart_driver;
-       cdns_uart_uart_driver->cons = cdns_uart_console;
+               cdns_uart_uart_driver.cons = &cdns_uart_console;
 #endif
 
-       rc = uart_register_driver(cdns_uart_uart_driver);
-       if (rc < 0) {
-               dev_err(&pdev->dev, "Failed to register driver\n");
-               goto err_out_id;
+               rc = uart_register_driver(&cdns_uart_uart_driver);
+               if (rc < 0) {
+                       dev_err(&pdev->dev, "Failed to register driver\n");
+                       return rc;
+               }
        }
 
-       cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
-
-       /*
-        * Setting up proper name_base needs to be done after uart
-        * registration because tty_driver structure is not filled.
-        * name_base is 0 by default.
-        */
-       cdns_uart_uart_driver->tty_driver->name_base = cdns_uart_data->id;
+       cdns_uart_data->cdns_uart_driver = &cdns_uart_uart_driver;
 
        match = of_match_node(cdns_uart_of_match, pdev->dev.of_node);
        if (match && match->data) {
@@ -1649,6 +1546,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
        port->ops       = &cdns_uart_ops;
        port->fifosize  = CDNS_UART_FIFO_SIZE;
        port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_XILINX_PS_UART_CONSOLE);
+       port->line      = id;
 
        /*
         * Register the port.
@@ -1680,7 +1578,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
                console_port = port;
 #endif
 
-       rc = uart_add_one_port(cdns_uart_uart_driver, port);
+       rc = uart_add_one_port(&cdns_uart_uart_driver, port);
        if (rc) {
                dev_err(&pdev->dev,
                        "uart_add_one_port() failed; err=%i\n", rc);
@@ -1690,13 +1588,15 @@ static int cdns_uart_probe(struct platform_device *pdev)
 #ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
        /* This is not port which is used for console that's why clean it up */
        if (console_port == port &&
-           !(cdns_uart_uart_driver->cons->flags & CON_ENABLED))
+           !(cdns_uart_uart_driver.cons->flags & CON_ENABLED))
                console_port = NULL;
 #endif
 
-       uartps_major = cdns_uart_uart_driver->tty_driver->major;
        cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node,
                                                             "cts-override");
+
+       instances++;
+
        return 0;
 
 err_out_pm_disable:
@@ -1712,12 +1612,8 @@ err_out_clk_disable:
 err_out_clk_dis_pclk:
        clk_disable_unprepare(cdns_uart_data->pclk);
 err_out_unregister_driver:
-       uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
-err_out_id:
-       mutex_lock(&bitmap_lock);
-       if (cdns_uart_data->id < MAX_UART_INSTANCES)
-               clear_bit(cdns_uart_data->id, bitmap);
-       mutex_unlock(&bitmap_lock);
+       if (!instances)
+               uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
        return rc;
 }
 
@@ -1740,10 +1636,6 @@ static int cdns_uart_remove(struct platform_device *pdev)
 #endif
        rc = uart_remove_one_port(cdns_uart_data->cdns_uart_driver, port);
        port->mapbase = 0;
-       mutex_lock(&bitmap_lock);
-       if (cdns_uart_data->id < MAX_UART_INSTANCES)
-               clear_bit(cdns_uart_data->id, bitmap);
-       mutex_unlock(&bitmap_lock);
        clk_disable_unprepare(cdns_uart_data->uartclk);
        clk_disable_unprepare(cdns_uart_data->pclk);
        pm_runtime_disable(&pdev->dev);
@@ -1756,13 +1648,8 @@ static int cdns_uart_remove(struct platform_device *pdev)
                console_port = NULL;
 #endif
 
-       /* If this is last instance major number should be initialized */
-       mutex_lock(&bitmap_lock);
-       if (bitmap_empty(bitmap, MAX_UART_INSTANCES))
-               uartps_major = 0;
-       mutex_unlock(&bitmap_lock);
-
-       uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
+       if (!--instances)
+               uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
        return rc;
 }
 
index 5e0d081..0dc3878 100644 (file)
@@ -74,6 +74,7 @@ int sysrq_mask(void)
                return 1;
        return sysrq_enabled;
 }
+EXPORT_SYMBOL_GPL(sysrq_mask);
 
 /*
  * A value of 1 means 'all', other nonzero values are an op mask:
@@ -1058,6 +1059,7 @@ int sysrq_toggle_support(int enable_mask)
 
        return 0;
 }
+EXPORT_SYMBOL_GPL(sysrq_toggle_support);
 
 static int __sysrq_swap_key_ops(int key, struct sysrq_key_op *insert_op_p,
                                 struct sysrq_key_op *remove_op_p)
index 309a391..e5ffed7 100644 (file)
@@ -81,6 +81,7 @@
 #include <linux/errno.h>
 #include <linux/kd.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/major.h>
 #include <linux/mm.h>
 #include <linux/console.h>
@@ -350,7 +351,7 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
        /* allocate everything in one go */
        memsize = cols * rows * sizeof(char32_t);
        memsize += rows * sizeof(char32_t *);
-       p = kmalloc(memsize, GFP_KERNEL);
+       p = vmalloc(memsize);
        if (!p)
                return NULL;
 
@@ -366,7 +367,7 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
 
 static void vc_uniscr_set(struct vc_data *vc, struct uni_screen *new_uniscr)
 {
-       kfree(vc->vc_uni_screen);
+       vfree(vc->vc_uni_screen);
        vc->vc_uni_screen = new_uniscr;
 }
 
@@ -1206,7 +1207,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
        if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
                return 0;
 
-       if (new_screen_size > (4 << 20))
+       if (new_screen_size > KMALLOC_MAX_SIZE)
                return -EINVAL;
        newscreen = kzalloc(new_screen_size, GFP_USER);
        if (!newscreen)
index 84d6f7d..ded8d93 100644 (file)
@@ -412,9 +412,12 @@ static void acm_ctrl_irq(struct urb *urb)
 
 exit:
        retval = usb_submit_urb(urb, GFP_ATOMIC);
-       if (retval && retval != -EPERM)
+       if (retval && retval != -EPERM && retval != -ENODEV)
                dev_err(&acm->control->dev,
                        "%s - usb_submit_urb failed: %d\n", __func__, retval);
+       else
+               dev_vdbg(&acm->control->dev,
+                       "control resubmission terminated %d\n", retval);
 }
 
 static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
@@ -430,6 +433,8 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
                        dev_err(&acm->data->dev,
                                "urb %d failed submission with %d\n",
                                index, res);
+               } else {
+                       dev_vdbg(&acm->data->dev, "intended failure %d\n", res);
                }
                set_bit(index, &acm->read_urbs_free);
                return res;
@@ -471,6 +476,7 @@ static void acm_read_bulk_callback(struct urb *urb)
        int status = urb->status;
        bool stopped = false;
        bool stalled = false;
+       bool cooldown = false;
 
        dev_vdbg(&acm->data->dev, "got urb %d, len %d, status %d\n",
                rb->index, urb->actual_length, status);
@@ -497,6 +503,14 @@ static void acm_read_bulk_callback(struct urb *urb)
                        __func__, status);
                stopped = true;
                break;
+       case -EOVERFLOW:
+       case -EPROTO:
+               dev_dbg(&acm->data->dev,
+                       "%s - cooling babbling device\n", __func__);
+               usb_mark_last_busy(acm->dev);
+               set_bit(rb->index, &acm->urbs_in_error_delay);
+               cooldown = true;
+               break;
        default:
                dev_dbg(&acm->data->dev,
                        "%s - nonzero urb status received: %d\n",
@@ -518,9 +532,11 @@ static void acm_read_bulk_callback(struct urb *urb)
         */
        smp_mb__after_atomic();
 
-       if (stopped || stalled) {
+       if (stopped || stalled || cooldown) {
                if (stalled)
                        schedule_work(&acm->work);
+               else if (cooldown)
+                       schedule_delayed_work(&acm->dwork, HZ / 2);
                return;
        }
 
@@ -557,14 +573,20 @@ static void acm_softint(struct work_struct *work)
        struct acm *acm = container_of(work, struct acm, work);
 
        if (test_bit(EVENT_RX_STALL, &acm->flags)) {
-               if (!(usb_autopm_get_interface(acm->data))) {
+               smp_mb(); /* against acm_suspend() */
+               if (!acm->susp_count) {
                        for (i = 0; i < acm->rx_buflimit; i++)
                                usb_kill_urb(acm->read_urbs[i]);
                        usb_clear_halt(acm->dev, acm->in);
                        acm_submit_read_urbs(acm, GFP_KERNEL);
-                       usb_autopm_put_interface(acm->data);
+                       clear_bit(EVENT_RX_STALL, &acm->flags);
                }
-               clear_bit(EVENT_RX_STALL, &acm->flags);
+       }
+
+       if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
+               for (i = 0; i < ACM_NR; i++) 
+                       if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
+                                       acm_submit_read_urb(acm, i, GFP_NOIO);
        }
 
        if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags))
@@ -1333,6 +1355,7 @@ made_compressed_probe:
        acm->readsize = readsize;
        acm->rx_buflimit = num_rx_buf;
        INIT_WORK(&acm->work, acm_softint);
+       INIT_DELAYED_WORK(&acm->dwork, acm_softint);
        init_waitqueue_head(&acm->wioctl);
        spin_lock_init(&acm->write_lock);
        spin_lock_init(&acm->read_lock);
@@ -1542,6 +1565,7 @@ static void acm_disconnect(struct usb_interface *intf)
 
        acm_kill_urbs(acm);
        cancel_work_sync(&acm->work);
+       cancel_delayed_work_sync(&acm->dwork);
 
        tty_unregister_device(acm_tty_driver, acm->minor);
 
@@ -1584,6 +1608,8 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
 
        acm_kill_urbs(acm);
        cancel_work_sync(&acm->work);
+       cancel_delayed_work_sync(&acm->dwork);
+       acm->urbs_in_error_delay = 0;
 
        return 0;
 }
index ca1c026..cd5e9d8 100644 (file)
@@ -109,8 +109,11 @@ struct acm {
 #              define EVENT_TTY_WAKEUP 0
 #              define EVENT_RX_STALL   1
 #              define ACM_THROTTLED    2
+#              define ACM_ERROR_DELAY  3
+       unsigned long urbs_in_error_delay;              /* these need to be restarted after a delay */
        struct usb_cdc_line_coding line;                /* bits, stop, parity */
-       struct work_struct work;                        /* work queue entry for line discipline waking up */
+       struct work_struct work;                        /* work queue entry for various purposes*/
+       struct delayed_work dwork;                      /* for cool downs needed in error recovery */
        unsigned int ctrlin;                            /* input control lines (DCD, DSR, RI, break, overruns) */
        unsigned int ctrlout;                           /* output control lines (DTR, RTS) */
        struct async_icount iocount;                    /* counters for control line changes */
index 54cd8ef..2b6565c 100644 (file)
@@ -1223,6 +1223,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 #ifdef CONFIG_PM
                        udev->reset_resume = 1;
 #endif
+                       /* Don't set the change_bits when the device
+                        * was powered off.
+                        */
+                       if (test_bit(port1, hub->power_bits))
+                               set_bit(port1, hub->change_bits);
 
                } else {
                        /* The power session is gone; tell hub_wq */
@@ -2723,13 +2728,11 @@ static bool use_new_scheme(struct usb_device *udev, int retry,
 {
        int old_scheme_first_port =
                port_dev->quirks & USB_PORT_QUIRK_OLD_SCHEME;
-       int quick_enumeration = (udev->speed == USB_SPEED_HIGH);
 
        if (udev->speed >= USB_SPEED_SUPER)
                return false;
 
-       return USE_NEW_SCHEME(retry, old_scheme_first_port || old_scheme_first
-                             || quick_enumeration);
+       return USE_NEW_SCHEME(retry, old_scheme_first_port || old_scheme_first);
 }
 
 /* Is a USB 3.0 port in the Inactive or Compliance Mode state?
@@ -3088,6 +3091,15 @@ static int check_port_resume_type(struct usb_device *udev,
                if (portchange & USB_PORT_STAT_C_ENABLE)
                        usb_clear_port_feature(hub->hdev, port1,
                                        USB_PORT_FEAT_C_ENABLE);
+
+               /*
+                * Whatever made this reset-resume necessary may have
+                * turned on the port1 bit in hub->change_bits.  But after
+                * a successful reset-resume we want the bit to be clear;
+                * if it was on it would indicate that something happened
+                * following the reset-resume.
+                */
+               clear_bit(port1, hub->change_bits);
        }
 
        return status;
index d5f834f..a48678a 100644 (file)
@@ -589,12 +589,13 @@ void usb_sg_cancel(struct usb_sg_request *io)
        int i, retval;
 
        spin_lock_irqsave(&io->lock, flags);
-       if (io->status) {
+       if (io->status || io->count == 0) {
                spin_unlock_irqrestore(&io->lock, flags);
                return;
        }
        /* shut everything down */
        io->status = -ECONNRESET;
+       io->count++;            /* Keep the request alive until we're done */
        spin_unlock_irqrestore(&io->lock, flags);
 
        for (i = io->entries - 1; i >= 0; --i) {
@@ -608,6 +609,12 @@ void usb_sg_cancel(struct usb_sg_request *io)
                        dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
                                 __func__, retval);
        }
+
+       spin_lock_irqsave(&io->lock, flags);
+       io->count--;
+       if (!io->count)
+               complete(&io->complete);
+       spin_unlock_irqrestore(&io->lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_sg_cancel);
 
index da30b56..3e8efe7 100644 (file)
@@ -430,6 +430,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Corsair K70 LUX */
        { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
 
+       /* Corsair K70 RGB RAPDIFIRE */
+       { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
+         USB_QUIRK_DELAY_CTRL_MSG },
+
        /* MIDI keyboard WORLDE MINI */
        { USB_DEVICE(0x1c75, 0x0204), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },
index 6846eb0..4c171a8 100644 (file)
 
 /* Global TX Fifo Size Register */
 #define DWC31_GTXFIFOSIZ_TXFRAMNUM     BIT(15)         /* DWC_usb31 only */
-#define DWC31_GTXFIFOSIZ_TXFDEF(n)     ((n) & 0x7fff)  /* DWC_usb31 only */
-#define DWC3_GTXFIFOSIZ_TXFDEF(n)      ((n) & 0xffff)
+#define DWC31_GTXFIFOSIZ_TXFDEP(n)     ((n) & 0x7fff)  /* DWC_usb31 only */
+#define DWC3_GTXFIFOSIZ_TXFDEP(n)      ((n) & 0xffff)
 #define DWC3_GTXFIFOSIZ_TXFSTADDR(n)   ((n) & 0xffff0000)
 
+/* Global RX Fifo Size Register */
+#define DWC31_GRXFIFOSIZ_RXFDEP(n)     ((n) & 0x7fff)  /* DWC_usb31 only */
+#define DWC3_GRXFIFOSIZ_RXFDEP(n)      ((n) & 0xffff)
+
 /* Global Event Size Registers */
 #define DWC3_GEVNTSIZ_INTMASK          BIT(31)
 #define DWC3_GEVNTSIZ_SIZE(n)          ((n) & 0xffff)
index 4d3c79d..00746c2 100644 (file)
@@ -1728,7 +1728,6 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
        u32                     reg;
 
        u8                      link_state;
-       u8                      speed;
 
        /*
         * According to the Databook Remote wakeup request should
@@ -1738,16 +1737,13 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
         */
        reg = dwc3_readl(dwc->regs, DWC3_DSTS);
 
-       speed = reg & DWC3_DSTS_CONNECTSPD;
-       if ((speed == DWC3_DSTS_SUPERSPEED) ||
-           (speed == DWC3_DSTS_SUPERSPEED_PLUS))
-               return 0;
-
        link_state = DWC3_DSTS_USBLNKST(reg);
 
        switch (link_state) {
+       case DWC3_LINK_STATE_RESET:
        case DWC3_LINK_STATE_RX_DET:    /* in HS, means Early Suspend */
        case DWC3_LINK_STATE_U3:        /* in HS, means SUSPEND */
+       case DWC3_LINK_STATE_RESUME:
                break;
        default:
                return -EINVAL;
@@ -2227,7 +2223,6 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
 {
        struct dwc3 *dwc = dep->dwc;
        int mdwidth;
-       int kbytes;
        int size;
 
        mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
@@ -2236,24 +2231,24 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
 
        size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1));
        if (dwc3_is_usb31(dwc))
-               size = DWC31_GTXFIFOSIZ_TXFDEF(size);
+               size = DWC31_GTXFIFOSIZ_TXFDEP(size);
        else
-               size = DWC3_GTXFIFOSIZ_TXFDEF(size);
+               size = DWC3_GTXFIFOSIZ_TXFDEP(size);
 
        /* FIFO Depth is in MDWDITH bytes. Multiply */
        size *= mdwidth;
 
-       kbytes = size / 1024;
-       if (kbytes == 0)
-               kbytes = 1;
-
        /*
-        * FIFO sizes account an extra MDWIDTH * (kbytes + 1) bytes for
-        * internal overhead. We don't really know how these are used,
-        * but documentation say it exists.
+        * To meet performance requirement, a minimum TxFIFO size of 3x
+        * MaxPacketSize is recommended for endpoints that support burst and a
+        * minimum TxFIFO size of 2x MaxPacketSize for endpoints that don't
+        * support burst. Use those numbers and we can calculate the max packet
+        * limit as below.
         */
-       size -= mdwidth * (kbytes + 1);
-       size /= kbytes;
+       if (dwc->maximum_speed >= USB_SPEED_SUPER)
+               size /= 3;
+       else
+               size /= 2;
 
        usb_ep_set_maxpacket_limit(&dep->endpoint, size);
 
@@ -2271,8 +2266,39 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
 static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep)
 {
        struct dwc3 *dwc = dep->dwc;
+       int mdwidth;
+       int size;
+
+       mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
 
-       usb_ep_set_maxpacket_limit(&dep->endpoint, 1024);
+       /* MDWIDTH is represented in bits, convert to bytes */
+       mdwidth /= 8;
+
+       /* All OUT endpoints share a single RxFIFO space */
+       size = dwc3_readl(dwc->regs, DWC3_GRXFIFOSIZ(0));
+       if (dwc3_is_usb31(dwc))
+               size = DWC31_GRXFIFOSIZ_RXFDEP(size);
+       else
+               size = DWC3_GRXFIFOSIZ_RXFDEP(size);
+
+       /* FIFO depth is in MDWDITH bytes */
+       size *= mdwidth;
+
+       /*
+        * To meet performance requirement, a minimum recommended RxFIFO size
+        * is defined as follow:
+        * RxFIFO size >= (3 x MaxPacketSize) +
+        * (3 x 8 bytes setup packets size) + (16 bytes clock crossing margin)
+        *
+        * Then calculate the max packet limit as below.
+        */
+       size -= (3 * 8) + 16;
+       if (size < 0)
+               size = 0;
+       else
+               size /= 3;
+
+       usb_ep_set_maxpacket_limit(&dep->endpoint, size);
        dep->endpoint.max_streams = 15;
        dep->endpoint.ops = &dwc3_gadget_ep_ops;
        list_add_tail(&dep->endpoint.ep_list,
@@ -2484,14 +2510,7 @@ static int dwc3_gadget_ep_reclaim_trb_linear(struct dwc3_ep *dep,
 
 static bool dwc3_gadget_ep_request_completed(struct dwc3_request *req)
 {
-       /*
-        * For OUT direction, host may send less than the setup
-        * length. Return true for all OUT requests.
-        */
-       if (!req->direction)
-               return true;
-
-       return req->request.actual == req->request.length;
+       return req->num_pending_sgs == 0;
 }
 
 static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
@@ -2515,8 +2534,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
 
        req->request.actual = req->request.length - req->remaining;
 
-       if (!dwc3_gadget_ep_request_completed(req) ||
-                       req->num_pending_sgs) {
+       if (!dwc3_gadget_ep_request_completed(req)) {
                __dwc3_gadget_kick_transfer(dep);
                goto out;
        }
index 971c6b9..171280c 100644 (file)
@@ -728,19 +728,19 @@ static void xdbc_handle_tx_event(struct xdbc_trb *evt_trb)
        case COMP_USB_TRANSACTION_ERROR:
        case COMP_STALL_ERROR:
        default:
-               if (ep_id == XDBC_EPID_OUT)
+               if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL)
                        xdbc.flags |= XDBC_FLAGS_OUT_STALL;
-               if (ep_id == XDBC_EPID_IN)
+               if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL)
                        xdbc.flags |= XDBC_FLAGS_IN_STALL;
 
                xdbc_trace("endpoint %d stalled\n", ep_id);
                break;
        }
 
-       if (ep_id == XDBC_EPID_IN) {
+       if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL) {
                xdbc.flags &= ~XDBC_FLAGS_IN_PROCESS;
                xdbc_bulk_transfer(NULL, XDBC_MAX_PACKET, true);
-       } else if (ep_id == XDBC_EPID_OUT) {
+       } else if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL) {
                xdbc.flags &= ~XDBC_FLAGS_OUT_PROCESS;
        } else {
                xdbc_trace("invalid endpoint id %d\n", ep_id);
index 673686e..6e2b726 100644 (file)
@@ -120,8 +120,22 @@ struct xdbc_ring {
        u32                     cycle_state;
 };
 
-#define XDBC_EPID_OUT          2
-#define XDBC_EPID_IN           3
+/*
+ * These are the "Endpoint ID" (also known as "Context Index") values for the
+ * OUT Transfer Ring and the IN Transfer Ring of a Debug Capability Context data
+ * structure.
+ * According to the "eXtensible Host Controller Interface for Universal Serial
+ * Bus (xHCI)" specification, section "7.6.3.2 Endpoint Contexts and Transfer
+ * Rings", these should be 0 and 1, and those are the values AMD machines give
+ * you; but Intel machines seem to use the formula from section "4.5.1 Device
+ * Context Index", which is supposed to be used for the Device Context only.
+ * Luckily the values from Intel don't overlap with those from AMD, so we can
+ * just test for both.
+ */
+#define XDBC_EPID_OUT          0
+#define XDBC_EPID_IN           1
+#define XDBC_EPID_OUT_INTEL    2
+#define XDBC_EPID_IN_INTEL     3
 
 struct xdbc_state {
        u16                     vendor;
index c81023b..10f01f9 100644 (file)
@@ -1813,6 +1813,10 @@ static void ffs_data_reset(struct ffs_data *ffs)
        ffs->state = FFS_READ_DESCRIPTORS;
        ffs->setup_state = FFS_NO_SETUP;
        ffs->flags = 0;
+
+       ffs->ms_os_descs_ext_prop_count = 0;
+       ffs->ms_os_descs_ext_prop_name_len = 0;
+       ffs->ms_os_descs_ext_prop_data_len = 0;
 }
 
 
index 7640634..ca7d95b 100644 (file)
@@ -81,6 +81,7 @@ static int raw_event_queue_add(struct raw_event_queue *queue,
 static struct usb_raw_event *raw_event_queue_fetch(
                                struct raw_event_queue *queue)
 {
+       int ret;
        unsigned long flags;
        struct usb_raw_event *event;
 
@@ -89,11 +90,18 @@ static struct usb_raw_event *raw_event_queue_fetch(
         * there's at least one event queued by decrementing the semaphore,
         * and then take the lock to protect queue struct fields.
         */
-       if (down_interruptible(&queue->sema))
-               return NULL;
+       ret = down_interruptible(&queue->sema);
+       if (ret)
+               return ERR_PTR(ret);
        spin_lock_irqsave(&queue->lock, flags);
-       if (WARN_ON(!queue->size))
-               return NULL;
+       /*
+        * queue->size must have the same value as queue->sema counter (before
+        * the down_interruptible() call above), so this check is a fail-safe.
+        */
+       if (WARN_ON(!queue->size)) {
+               spin_unlock_irqrestore(&queue->lock, flags);
+               return ERR_PTR(-ENODEV);
+       }
        event = queue->events[0];
        queue->size--;
        memmove(&queue->events[0], &queue->events[1],
@@ -392,9 +400,8 @@ static int raw_ioctl_init(struct raw_dev *dev, unsigned long value)
        char *udc_device_name;
        unsigned long flags;
 
-       ret = copy_from_user(&arg, (void __user *)value, sizeof(arg));
-       if (ret)
-               return ret;
+       if (copy_from_user(&arg, (void __user *)value, sizeof(arg)))
+               return -EFAULT;
 
        switch (arg.speed) {
        case USB_SPEED_UNKNOWN:
@@ -501,15 +508,13 @@ out_unlock:
 
 static int raw_ioctl_event_fetch(struct raw_dev *dev, unsigned long value)
 {
-       int ret = 0;
        struct usb_raw_event arg;
        unsigned long flags;
        struct usb_raw_event *event;
        uint32_t length;
 
-       ret = copy_from_user(&arg, (void __user *)value, sizeof(arg));
-       if (ret)
-               return ret;
+       if (copy_from_user(&arg, (void __user *)value, sizeof(arg)))
+               return -EFAULT;
 
        spin_lock_irqsave(&dev->lock, flags);
        if (dev->state != STATE_DEV_RUNNING) {
@@ -525,25 +530,31 @@ static int raw_ioctl_event_fetch(struct raw_dev *dev, unsigned long value)
        spin_unlock_irqrestore(&dev->lock, flags);
 
        event = raw_event_queue_fetch(&dev->queue);
-       if (!event) {
+       if (PTR_ERR(event) == -EINTR) {
                dev_dbg(&dev->gadget->dev, "event fetching interrupted\n");
                return -EINTR;
        }
+       if (IS_ERR(event)) {
+               dev_err(&dev->gadget->dev, "failed to fetch event\n");
+               spin_lock_irqsave(&dev->lock, flags);
+               dev->state = STATE_DEV_FAILED;
+               spin_unlock_irqrestore(&dev->lock, flags);
+               return -ENODEV;
+       }
        length = min(arg.length, event->length);
-       ret = copy_to_user((void __user *)value, event,
-                               sizeof(*event) + length);
-       return ret;
+       if (copy_to_user((void __user *)value, event, sizeof(*event) + length))
+               return -EFAULT;
+
+       return 0;
 }
 
 static void *raw_alloc_io_data(struct usb_raw_ep_io *io, void __user *ptr,
                                bool get_from_user)
 {
-       int ret;
        void *data;
 
-       ret = copy_from_user(io, ptr, sizeof(*io));
-       if (ret)
-               return ERR_PTR(ret);
+       if (copy_from_user(io, ptr, sizeof(*io)))
+               return ERR_PTR(-EFAULT);
        if (io->ep >= USB_RAW_MAX_ENDPOINTS)
                return ERR_PTR(-EINVAL);
        if (!usb_raw_io_flags_valid(io->flags))
@@ -658,12 +669,13 @@ static int raw_ioctl_ep0_read(struct raw_dev *dev, unsigned long value)
        if (IS_ERR(data))
                return PTR_ERR(data);
        ret = raw_process_ep0_io(dev, &io, data, false);
-       if (ret < 0) {
-               kfree(data);
-               return ret;
-       }
+       if (ret)
+               goto free;
+
        length = min(io.length, (unsigned int)ret);
-       ret = copy_to_user((void __user *)(value + sizeof(io)), data, length);
+       if (copy_to_user((void __user *)(value + sizeof(io)), data, length))
+               ret = -EFAULT;
+free:
        kfree(data);
        return ret;
 }
@@ -952,12 +964,13 @@ static int raw_ioctl_ep_read(struct raw_dev *dev, unsigned long value)
        if (IS_ERR(data))
                return PTR_ERR(data);
        ret = raw_process_ep_io(dev, &io, data, false);
-       if (ret < 0) {
-               kfree(data);
-               return ret;
-       }
+       if (ret)
+               goto free;
+
        length = min(io.length, (unsigned int)ret);
-       ret = copy_to_user((void __user *)(value + sizeof(io)), data, length);
+       if (copy_to_user((void __user *)(value + sizeof(io)), data, length))
+               ret = -EFAULT;
+free:
        kfree(data);
        return ret;
 }
index 6e04321..2220034 100644 (file)
@@ -1951,10 +1951,10 @@ static irqreturn_t usba_vbus_irq_thread(int irq, void *devid)
                        usba_start(udc);
                } else {
                        udc->suspended = false;
-                       usba_stop(udc);
-
                        if (udc->driver->disconnect)
                                udc->driver->disconnect(&udc->gadget);
+
+                       usba_stop(udc);
                }
                udc->vbus_prev = vbus;
        }
index a4d9b5e..d49c6dc 100644 (file)
@@ -540,7 +540,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req,
 {
        struct bdc *bdc = ep->bdc;
 
-       if (req == NULL  || &req->queue == NULL || &req->usb_req == NULL)
+       if (req == NULL)
                return;
 
        dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status);
index 9eca1fe..f37316d 100644 (file)
@@ -1571,6 +1571,8 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
                }
                if ((temp & PORT_RC))
                        reset_change = true;
+               if (temp & PORT_OC)
+                       status = 1;
        }
        if (!status && !reset_change) {
                xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
@@ -1636,6 +1638,13 @@ retry:
                                 port_index);
                        goto retry;
                }
+               /* bail out if port detected a over-current condition */
+               if (t1 & PORT_OC) {
+                       bus_state->bus_suspended = 0;
+                       spin_unlock_irqrestore(&xhci->lock, flags);
+                       xhci_dbg(xhci, "Bus suspend bailout, port over-current detected\n");
+                       return -EBUSY;
+               }
                /* suspend ports in U0, or bail out for new connect changes */
                if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) {
                        if ((t1 & PORT_CSC) && wake_enabled) {
index a78787b..0fda0c0 100644 (file)
@@ -547,6 +547,23 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
                                stream_id);
                return;
        }
+       /*
+        * A cancelled TD can complete with a stall if HW cached the trb.
+        * In this case driver can't find cur_td, but if the ring is empty we
+        * can move the dequeue pointer to the current enqueue position.
+        */
+       if (!cur_td) {
+               if (list_empty(&ep_ring->td_list)) {
+                       state->new_deq_seg = ep_ring->enq_seg;
+                       state->new_deq_ptr = ep_ring->enqueue;
+                       state->new_cycle_state = ep_ring->cycle_state;
+                       goto done;
+               } else {
+                       xhci_warn(xhci, "Can't find new dequeue state, missing cur_td\n");
+                       return;
+               }
+       }
+
        /* Dig out the cycle state saved by the xHC during the stop ep cmd */
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                        "Finding endpoint context");
@@ -592,6 +609,7 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
        state->new_deq_seg = new_seg;
        state->new_deq_ptr = new_deq;
 
+done:
        /* Don't update the ring cycle state for the producer (us). */
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                        "Cycle state = 0x%x", state->new_cycle_state);
@@ -1856,8 +1874,8 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
 
        if (reset_type == EP_HARD_RESET) {
                ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
-               xhci_cleanup_stalled_ring(xhci, ep_index, stream_id, td);
-               xhci_clear_hub_tt_buffer(xhci, td, ep);
+               xhci_cleanup_stalled_ring(xhci, slot_id, ep_index, stream_id,
+                                         td);
        }
        xhci_ring_cmd_db(xhci);
 }
@@ -1978,11 +1996,18 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
        if (trb_comp_code == COMP_STALL_ERROR ||
                xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
                                                trb_comp_code)) {
-               /* Issue a reset endpoint command to clear the host side
-                * halt, followed by a set dequeue command to move the
-                * dequeue pointer past the TD.
-                * The class driver clears the device side halt later.
+               /*
+                * xhci internal endpoint state will go to a "halt" state for
+                * any stall, including default control pipe protocol stall.
+                * To clear the host side halt we need to issue a reset endpoint
+                * command, followed by a set dequeue command to move past the
+                * TD.
+                * Class drivers clear the device side halt from a functional
+                * stall later. Hub TT buffer should only be cleared for FS/LS
+                * devices behind HS hubs for functional stalls.
                 */
+               if ((ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR))
+                       xhci_clear_hub_tt_buffer(xhci, td, ep);
                xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index,
                                        ep_ring->stream_id, td, EP_HARD_RESET);
        } else {
@@ -2539,6 +2564,15 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                                xhci_dbg(xhci, "td_list is empty while skip flag set. Clear skip flag for slot %u ep %u.\n",
                                         slot_id, ep_index);
                        }
+                       if (trb_comp_code == COMP_STALL_ERROR ||
+                           xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
+                                                             trb_comp_code)) {
+                               xhci_cleanup_halted_endpoint(xhci, slot_id,
+                                                            ep_index,
+                                                            ep_ring->stream_id,
+                                                            NULL,
+                                                            EP_HARD_RESET);
+                       }
                        goto cleanup;
                }
 
index fe38275..bee5dec 100644 (file)
@@ -3031,19 +3031,19 @@ static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
                        added_ctxs, added_ctxs);
 }
 
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
-                              unsigned int stream_id, struct xhci_td *td)
+void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
+                              unsigned int ep_index, unsigned int stream_id,
+                              struct xhci_td *td)
 {
        struct xhci_dequeue_state deq_state;
-       struct usb_device *udev = td->urb->dev;
 
        xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
                        "Cleaning up stalled endpoint ring");
        /* We need to move the HW's dequeue pointer past this TD,
         * or it will attempt to resend it on the next doorbell ring.
         */
-       xhci_find_new_dequeue_state(xhci, udev->slot_id,
-                       ep_index, stream_id, td, &deq_state);
+       xhci_find_new_dequeue_state(xhci, slot_id, ep_index, stream_id, td,
+                                   &deq_state);
 
        if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg)
                return;
@@ -3054,7 +3054,7 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
        if (!(xhci->quirks & XHCI_RESET_EP_QUIRK)) {
                xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
                                "Queueing new dequeue state");
-               xhci_queue_new_dequeue_state(xhci, udev->slot_id,
+               xhci_queue_new_dequeue_state(xhci, slot_id,
                                ep_index, &deq_state);
        } else {
                /* Better hope no one uses the input context between now and the
@@ -3065,7 +3065,7 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
                xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
                                "Setting up input context for "
                                "configure endpoint command");
-               xhci_setup_input_ctx_for_quirk(xhci, udev->slot_id,
+               xhci_setup_input_ctx_for_quirk(xhci, slot_id,
                                ep_index, &deq_state);
        }
 }
index 3289bb5..86cfefd 100644 (file)
@@ -2116,8 +2116,9 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
                unsigned int slot_id, unsigned int ep_index,
                struct xhci_dequeue_state *deq_state);
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
-               unsigned int stream_id, struct xhci_td *td);
+void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
+                              unsigned int ep_index, unsigned int stream_id,
+                              struct xhci_td *td);
 void xhci_stop_endpoint_command_watchdog(struct timer_list *t);
 void xhci_handle_command_timeout(struct work_struct *work);
 
index 2ab9600..fc8a5da 100644 (file)
@@ -1199,18 +1199,18 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
 /* High level: Gfx (indexed) register access */
 
 #ifdef CONFIG_USB_SISUSBVGA_CON
-int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data)
+int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data)
 {
        return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
 }
 
-int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data)
+int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data)
 {
        return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
 }
 #endif
 
-int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
                u8 index, u8 data)
 {
        int ret;
@@ -1220,7 +1220,7 @@ int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
        return ret;
 }
 
-int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
+int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
                u8 index, u8 *data)
 {
        int ret;
@@ -1230,7 +1230,7 @@ int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
        return ret;
 }
 
-int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
+int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx,
                u8 myand, u8 myor)
 {
        int ret;
@@ -1245,7 +1245,7 @@ int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
 }
 
 static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
-               int port, u8 idx, u8 data, u8 mask)
+               u32 port, u8 idx, u8 data, u8 mask)
 {
        int ret;
        u8 tmp;
@@ -1258,13 +1258,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
        return ret;
 }
 
-int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
                u8 index, u8 myor)
 {
        return sisusb_setidxregandor(sisusb, port, index, 0xff, myor);
 }
 
-int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
                u8 idx, u8 myand)
 {
        return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00);
@@ -2785,8 +2785,8 @@ static loff_t sisusb_lseek(struct file *file, loff_t offset, int orig)
 static int sisusb_handle_command(struct sisusb_usb_data *sisusb,
                struct sisusb_command *y, unsigned long arg)
 {
-       int     retval, port, length;
-       u32     address;
+       int     retval, length;
+       u32     port, address;
 
        /* All our commands require the device
         * to be initialized.
index 1782c75..ace0998 100644 (file)
@@ -812,17 +812,17 @@ static const struct SiS_VCLKData SiSUSB_VCLKData[] = {
 int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
 int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo);
 
-extern int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data);
-extern int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 * data);
-extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data);
+extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data);
+extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
                            u8 index, u8 data);
-extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
                            u8 index, u8 * data);
-extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port,
                                 u8 idx, u8 myand, u8 myor);
-extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
                              u8 index, u8 myor);
-extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
                               u8 idx, u8 myand);
 
 void sisusb_delete(struct kref *kref);
index 3670fda..d592071 100644 (file)
@@ -81,6 +81,19 @@ static void uas_free_streams(struct uas_dev_info *devinfo);
 static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
                                int status);
 
+/*
+ * This driver needs its own workqueue, as we need to control memory allocation.
+ *
+ * In the course of error handling and power management uas_wait_for_pending_cmnds()
+ * needs to flush pending work items. In these contexts we cannot allocate memory
+ * by doing block IO as we would deadlock. For the same reason we cannot wait
+ * for anything allocating memory not heeding these constraints.
+ *
+ * So we have to control all work items that can be on the workqueue we flush.
+ * Hence we cannot share a queue and need our own.
+ */
+static struct workqueue_struct *workqueue;
+
 static void uas_do_work(struct work_struct *work)
 {
        struct uas_dev_info *devinfo =
@@ -109,7 +122,7 @@ static void uas_do_work(struct work_struct *work)
                if (!err)
                        cmdinfo->state &= ~IS_IN_WORK_LIST;
                else
-                       schedule_work(&devinfo->work);
+                       queue_work(workqueue, &devinfo->work);
        }
 out:
        spin_unlock_irqrestore(&devinfo->lock, flags);
@@ -134,7 +147,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
 
        lockdep_assert_held(&devinfo->lock);
        cmdinfo->state |= IS_IN_WORK_LIST;
-       schedule_work(&devinfo->work);
+       queue_work(workqueue, &devinfo->work);
 }
 
 static void uas_zap_pending(struct uas_dev_info *devinfo, int result)
@@ -190,6 +203,9 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
        struct uas_cmd_info *ci = (void *)&cmnd->SCp;
        struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
 
+       if (status == -ENODEV) /* too late */
+               return;
+
        scmd_printk(KERN_INFO, cmnd,
                    "%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ",
                    prefix, status, cmdinfo->uas_tag,
@@ -1226,7 +1242,31 @@ static struct usb_driver uas_driver = {
        .id_table = uas_usb_ids,
 };
 
-module_usb_driver(uas_driver);
+static int __init uas_init(void)
+{
+       int rv;
+
+       workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0);
+       if (!workqueue)
+               return -ENOMEM;
+
+       rv = usb_register(&uas_driver);
+       if (rv) {
+               destroy_workqueue(workqueue);
+               return -ENOMEM;
+       }
+
+       return 0;
+}
+
+static void __exit uas_exit(void)
+{
+       usb_deregister(&uas_driver);
+       destroy_workqueue(workqueue);
+}
+
+module_init(uas_init);
+module_exit(uas_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_IMPORT_NS(USB_STORAGE);
index 1880f3e..f6c3681 100644 (file)
@@ -2323,6 +2323,13 @@ UNUSUAL_DEV(  0x3340, 0xffff, 0x0000, 0x0000,
                USB_SC_DEVICE,USB_PR_DEVICE,NULL,
                US_FL_MAX_SECTORS_64 ),
 
+/* Reported by Cyril Roelandt <tipecaml@gmail.com> */
+UNUSUAL_DEV(  0x357d, 0x7788, 0x0114, 0x0114,
+               "JMicron",
+               "USB to ATA/ATAPI Bridge",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_BROKEN_FUA ),
+
 /* Reported by Andrey Rahmatullin <wrar@altlinux.org> */
 UNUSUAL_DEV(  0x4102, 0x1020, 0x0100,  0x0100,
                "iRiver",
index c823122..e8ddb81 100644 (file)
@@ -198,7 +198,10 @@ EXPORT_SYMBOL_GPL(typec_altmode_vdm);
 const struct typec_altmode *
 typec_altmode_get_partner(struct typec_altmode *adev)
 {
-       return adev ? &to_altmode(adev)->partner->adev : NULL;
+       if (!adev || !to_altmode(adev)->partner)
+               return NULL;
+
+       return &to_altmode(adev)->partner->adev;
 }
 EXPORT_SYMBOL_GPL(typec_altmode_get_partner);
 
index 46457c1..7afe275 100644 (file)
@@ -114,8 +114,8 @@ pi3usb30532_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
 static int pi3usb30532_probe(struct i2c_client *client)
 {
        struct device *dev = &client->dev;
-       struct typec_switch_desc sw_desc;
-       struct typec_mux_desc mux_desc;
+       struct typec_switch_desc sw_desc = { };
+       struct typec_mux_desc mux_desc = { };
        struct pi3usb30532 *pi;
        int ret;
 
index de3576e..82b19eb 100644 (file)
@@ -3794,6 +3794,14 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
                 */
                break;
 
+       case PORT_RESET:
+       case PORT_RESET_WAIT_OFF:
+               /*
+                * State set back to default mode once the timer completes.
+                * Ignore CC changes here.
+                */
+               break;
+
        default:
                if (tcpm_port_is_disconnected(port))
                        tcpm_set_state(port, unattached_state(port), 0);
@@ -3855,6 +3863,15 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port)
        case SRC_TRY_DEBOUNCE:
                /* Do nothing, waiting for sink detection */
                break;
+
+       case PORT_RESET:
+       case PORT_RESET_WAIT_OFF:
+               /*
+                * State set back to default mode once the timer completes.
+                * Ignore vbus changes here.
+                */
+               break;
+
        default:
                break;
        }
@@ -3908,10 +3925,19 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
        case PORT_RESET_WAIT_OFF:
                tcpm_set_state(port, tcpm_default_state(port), 0);
                break;
+
        case SRC_TRY_WAIT:
        case SRC_TRY_DEBOUNCE:
                /* Do nothing, waiting for sink detection */
                break;
+
+       case PORT_RESET:
+               /*
+                * State set back to default mode once the timer completes.
+                * Ignore vbus changes here.
+                */
+               break;
+
        default:
                if (port->pwr_role == TYPEC_SINK &&
                    port->attached)
index 85b32c3..cc1d647 100644 (file)
@@ -342,8 +342,8 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
        vma = find_vma_intersection(mm, vaddr, vaddr + 1);
 
        if (vma && vma->vm_flags & VM_PFNMAP) {
-               *pfn = ((vaddr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
-               if (is_invalid_reserved_pfn(*pfn))
+               if (!follow_pfn(vma, vaddr, pfn) &&
+                   is_invalid_reserved_pfn(*pfn))
                        ret = 0;
        }
 done:
@@ -555,7 +555,7 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data,
                        continue;
                }
 
-               remote_vaddr = dma->vaddr + iova - dma->iova;
+               remote_vaddr = dma->vaddr + (iova - dma->iova);
                ret = vfio_pin_page_external(dma, remote_vaddr, &phys_pfn[i],
                                             do_accounting);
                if (ret)
@@ -2345,10 +2345,10 @@ static int vfio_iommu_type1_dma_rw_chunk(struct vfio_iommu *iommu,
        vaddr = dma->vaddr + offset;
 
        if (write)
-               *copied = __copy_to_user((void __user *)vaddr, data,
+               *copied = copy_to_user((void __user *)vaddr, data,
                                         count) ? 0 : count;
        else
-               *copied = __copy_from_user(data, (void __user *)vaddr,
+               *copied = copy_from_user(data, (void __user *)vaddr,
                                           count) ? 0 : count;
        if (kthread)
                unuse_mm(mm);
index 31a98c7..fb4e944 100644 (file)
@@ -549,6 +549,11 @@ static int vhost_vsock_start(struct vhost_vsock *vsock)
                mutex_unlock(&vq->mutex);
        }
 
+       /* Some packets may have been queued before the device was started,
+        * let's kick the send worker to send them.
+        */
+       vhost_work_queue(&vsock->dev, &vsock->send_pkt_work);
+
        mutex_unlock(&vsock->dev.mutex);
        return 0;
 
index 9c380e7..0cc0257 100644 (file)
@@ -391,7 +391,7 @@ static int is_shared_data_backref(struct preftrees *preftrees, u64 bytenr)
        struct rb_node **p = &preftrees->direct.root.rb_root.rb_node;
        struct rb_node *parent = NULL;
        struct prelim_ref *ref = NULL;
-       struct prelim_ref target = {0};
+       struct prelim_ref target = {};
        int result;
 
        target.parent = bytenr;
index 47f66c6..696f471 100644 (file)
@@ -916,7 +916,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
        path = btrfs_alloc_path();
        if (!path) {
                ret = -ENOMEM;
-               goto out;
+               goto out_put_group;
        }
 
        /*
@@ -954,7 +954,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
                ret = btrfs_orphan_add(trans, BTRFS_I(inode));
                if (ret) {
                        btrfs_add_delayed_iput(inode);
-                       goto out;
+                       goto out_put_group;
                }
                clear_nlink(inode);
                /* One for the block groups ref */
@@ -977,13 +977,13 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
 
        ret = btrfs_search_slot(trans, tree_root, &key, path, -1, 1);
        if (ret < 0)
-               goto out;
+               goto out_put_group;
        if (ret > 0)
                btrfs_release_path(path);
        if (ret == 0) {
                ret = btrfs_del_item(trans, tree_root, path);
                if (ret)
-                       goto out;
+                       goto out_put_group;
                btrfs_release_path(path);
        }
 
@@ -1102,9 +1102,9 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
 
        ret = remove_block_group_free_space(trans, block_group);
        if (ret)
-               goto out;
+               goto out_put_group;
 
-       btrfs_put_block_group(block_group);
+       /* Once for the block groups rbtree */
        btrfs_put_block_group(block_group);
 
        ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
@@ -1127,6 +1127,10 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
                /* once for the tree */
                free_extent_map(em);
        }
+
+out_put_group:
+       /* Once for the lookup reference */
+       btrfs_put_block_group(block_group);
 out:
        if (remove_rsv)
                btrfs_delayed_refs_rsv_release(fs_info, 1);
@@ -1288,11 +1292,15 @@ static bool clean_pinned_extents(struct btrfs_trans_handle *trans,
        if (ret)
                goto err;
        mutex_unlock(&fs_info->unused_bg_unpin_mutex);
+       if (prev_trans)
+               btrfs_put_transaction(prev_trans);
 
        return true;
 
 err:
        mutex_unlock(&fs_info->unused_bg_unpin_mutex);
+       if (prev_trans)
+               btrfs_put_transaction(prev_trans);
        btrfs_dec_block_group_ro(bg);
        return false;
 }
index 21a1577..353228d 100644 (file)
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef BTRFS_DISCARD_H
 #define BTRFS_DISCARD_H
index a6cb5cb..d10c7be 100644 (file)
@@ -2036,9 +2036,6 @@ void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info)
                for (i = 0; i < ret; i++)
                        btrfs_drop_and_free_fs_root(fs_info, gang[i]);
        }
-
-       if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
-               btrfs_free_log_root_tree(NULL, fs_info);
 }
 
 static void btrfs_init_scrub(struct btrfs_fs_info *fs_info)
@@ -3888,7 +3885,7 @@ void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
        spin_unlock(&fs_info->fs_roots_radix_lock);
 
        if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
-               btrfs_free_log(NULL, root);
+               ASSERT(root->log_root == NULL);
                if (root->reloc_root) {
                        btrfs_put_root(root->reloc_root);
                        root->reloc_root = NULL;
@@ -4211,6 +4208,36 @@ static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info)
        up_write(&fs_info->cleanup_work_sem);
 }
 
+static void btrfs_drop_all_logs(struct btrfs_fs_info *fs_info)
+{
+       struct btrfs_root *gang[8];
+       u64 root_objectid = 0;
+       int ret;
+
+       spin_lock(&fs_info->fs_roots_radix_lock);
+       while ((ret = radix_tree_gang_lookup(&fs_info->fs_roots_radix,
+                                            (void **)gang, root_objectid,
+                                            ARRAY_SIZE(gang))) != 0) {
+               int i;
+
+               for (i = 0; i < ret; i++)
+                       gang[i] = btrfs_grab_root(gang[i]);
+               spin_unlock(&fs_info->fs_roots_radix_lock);
+
+               for (i = 0; i < ret; i++) {
+                       if (!gang[i])
+                               continue;
+                       root_objectid = gang[i]->root_key.objectid;
+                       btrfs_free_log(NULL, gang[i]);
+                       btrfs_put_root(gang[i]);
+               }
+               root_objectid++;
+               spin_lock(&fs_info->fs_roots_radix_lock);
+       }
+       spin_unlock(&fs_info->fs_roots_radix_lock);
+       btrfs_free_log_root_tree(NULL, fs_info);
+}
+
 static void btrfs_destroy_ordered_extents(struct btrfs_root *root)
 {
        struct btrfs_ordered_extent *ordered;
@@ -4603,6 +4630,7 @@ static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info)
        btrfs_destroy_delayed_inodes(fs_info);
        btrfs_assert_delayed_root_empty(fs_info);
        btrfs_destroy_all_delalloc_inodes(fs_info);
+       btrfs_drop_all_logs(fs_info);
        mutex_unlock(&fs_info->transaction_kthread_mutex);
 
        return 0;
index d35936c..03bc713 100644 (file)
@@ -4559,6 +4559,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
                if (IS_ERR(fs_root)) {
                        err = PTR_ERR(fs_root);
                        list_add_tail(&reloc_root->root_list, &reloc_roots);
+                       btrfs_end_transaction(trans);
                        goto out_unset;
                }
 
index 8cede6e..2d54981 100644 (file)
@@ -662,10 +662,19 @@ again:
        }
 
 got_it:
-       btrfs_record_root_in_trans(h, root);
-
        if (!current->journal_info)
                current->journal_info = h;
+
+       /*
+        * btrfs_record_root_in_trans() needs to alloc new extents, and may
+        * call btrfs_join_transaction() while we're also starting a
+        * transaction.
+        *
+        * Thus it need to be called after current->journal_info initialized,
+        * or we can deadlock.
+        */
+       btrfs_record_root_in_trans(h, root);
+
        return h;
 
 join_fail:
index ec36a7c..02ebdd9 100644 (file)
@@ -4226,6 +4226,9 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
        const u64 ino = btrfs_ino(inode);
        struct btrfs_path *dst_path = NULL;
        bool dropped_extents = false;
+       u64 truncate_offset = i_size;
+       struct extent_buffer *leaf;
+       int slot;
        int ins_nr = 0;
        int start_slot;
        int ret;
@@ -4240,9 +4243,43 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
        if (ret < 0)
                goto out;
 
+       /*
+        * We must check if there is a prealloc extent that starts before the
+        * i_size and crosses the i_size boundary. This is to ensure later we
+        * truncate down to the end of that extent and not to the i_size, as
+        * otherwise we end up losing part of the prealloc extent after a log
+        * replay and with an implicit hole if there is another prealloc extent
+        * that starts at an offset beyond i_size.
+        */
+       ret = btrfs_previous_item(root, path, ino, BTRFS_EXTENT_DATA_KEY);
+       if (ret < 0)
+               goto out;
+
+       if (ret == 0) {
+               struct btrfs_file_extent_item *ei;
+
+               leaf = path->nodes[0];
+               slot = path->slots[0];
+               ei = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
+
+               if (btrfs_file_extent_type(leaf, ei) ==
+                   BTRFS_FILE_EXTENT_PREALLOC) {
+                       u64 extent_end;
+
+                       btrfs_item_key_to_cpu(leaf, &key, slot);
+                       extent_end = key.offset +
+                               btrfs_file_extent_num_bytes(leaf, ei);
+
+                       if (extent_end > i_size)
+                               truncate_offset = extent_end;
+               }
+       } else {
+               ret = 0;
+       }
+
        while (true) {
-               struct extent_buffer *leaf = path->nodes[0];
-               int slot = path->slots[0];
+               leaf = path->nodes[0];
+               slot = path->slots[0];
 
                if (slot >= btrfs_header_nritems(leaf)) {
                        if (ins_nr > 0) {
@@ -4280,7 +4317,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
                                ret = btrfs_truncate_inode_items(trans,
                                                         root->log_root,
                                                         &inode->vfs_inode,
-                                                        i_size,
+                                                        truncate_offset,
                                                         BTRFS_EXTENT_DATA_KEY);
                        } while (ret == -EAGAIN);
                        if (ret)
index 05dd3de..39b708d 100644 (file)
@@ -1891,7 +1891,8 @@ GLOBAL_EXTERN struct list_head            cifs_tcp_ses_list;
 /*
  * This lock protects the cifs_tcp_ses_list, the list of smb sessions per
  * tcp session, and the list of tcon's per smb session. It also protects
- * the reference counters for the server, smb session, and tcon. Finally,
+ * the reference counters for the server, smb session, and tcon. It also
+ * protects some fields in the TCP_Server_Info struct such as dstaddr. Finally,
  * changes to the tcon->tidStatus should be done while holding this lock.
  * generally the locks should be taken in order tcp_ses_lock before
  * tcon->open_file_lock and that before file->file_info_lock since the
index 95b3ab0..28268ed 100644 (file)
@@ -375,8 +375,10 @@ static int reconn_set_ipaddr(struct TCP_Server_Info *server)
                return rc;
        }
 
+       spin_lock(&cifs_tcp_ses_lock);
        rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr,
                                  strlen(ipaddr));
+       spin_unlock(&cifs_tcp_ses_lock);
        kfree(ipaddr);
 
        return !rc ? -1 : 0;
@@ -3373,6 +3375,10 @@ cifs_find_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
        spin_lock(&cifs_tcp_ses_lock);
        list_for_each(tmp, &ses->tcon_list) {
                tcon = list_entry(tmp, struct cifs_tcon, tcon_list);
+#ifdef CONFIG_CIFS_DFS_UPCALL
+               if (tcon->dfs_path)
+                       continue;
+#endif
                if (!match_tcon(tcon, volume_info))
                        continue;
                ++tcon->tc_count;
index a456feb..550ce90 100644 (file)
@@ -1025,51 +1025,99 @@ int copy_path_name(char *dst, const char *src)
 }
 
 struct super_cb_data {
-       struct TCP_Server_Info *server;
+       void *data;
        struct super_block *sb;
 };
 
-static void super_cb(struct super_block *sb, void *arg)
+static void tcp_super_cb(struct super_block *sb, void *arg)
 {
-       struct super_cb_data *d = arg;
+       struct super_cb_data *sd = arg;
+       struct TCP_Server_Info *server = sd->data;
        struct cifs_sb_info *cifs_sb;
        struct cifs_tcon *tcon;
 
-       if (d->sb)
+       if (sd->sb)
                return;
 
        cifs_sb = CIFS_SB(sb);
        tcon = cifs_sb_master_tcon(cifs_sb);
-       if (tcon->ses->server == d->server)
-               d->sb = sb;
+       if (tcon->ses->server == server)
+               sd->sb = sb;
 }
 
-struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server)
+static struct super_block *__cifs_get_super(void (*f)(struct super_block *, void *),
+                                           void *data)
 {
-       struct super_cb_data d = {
-               .server = server,
+       struct super_cb_data sd = {
+               .data = data,
                .sb = NULL,
        };
 
-       iterate_supers_type(&cifs_fs_type, super_cb, &d);
+       iterate_supers_type(&cifs_fs_type, f, &sd);
 
-       if (unlikely(!d.sb))
-               return ERR_PTR(-ENOENT);
+       if (!sd.sb)
+               return ERR_PTR(-EINVAL);
        /*
         * Grab an active reference in order to prevent automounts (DFS links)
         * of expiring and then freeing up our cifs superblock pointer while
         * we're doing failover.
         */
-       cifs_sb_active(d.sb);
-       return d.sb;
+       cifs_sb_active(sd.sb);
+       return sd.sb;
 }
 
-void cifs_put_tcp_super(struct super_block *sb)
+static void __cifs_put_super(struct super_block *sb)
 {
        if (!IS_ERR_OR_NULL(sb))
                cifs_sb_deactive(sb);
 }
 
+struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server)
+{
+       return __cifs_get_super(tcp_super_cb, server);
+}
+
+void cifs_put_tcp_super(struct super_block *sb)
+{
+       __cifs_put_super(sb);
+}
+
+#ifdef CONFIG_CIFS_DFS_UPCALL
+static void tcon_super_cb(struct super_block *sb, void *arg)
+{
+       struct super_cb_data *sd = arg;
+       struct cifs_tcon *tcon = sd->data;
+       struct cifs_sb_info *cifs_sb;
+
+       if (sd->sb)
+               return;
+
+       cifs_sb = CIFS_SB(sb);
+       if (tcon->dfs_path && cifs_sb->origin_fullpath &&
+           !strcasecmp(tcon->dfs_path, cifs_sb->origin_fullpath))
+               sd->sb = sb;
+}
+
+static inline struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon)
+{
+       return __cifs_get_super(tcon_super_cb, tcon);
+}
+
+static inline void cifs_put_tcon_super(struct super_block *sb)
+{
+       __cifs_put_super(sb);
+}
+#else
+static inline struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon)
+{
+       return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void cifs_put_tcon_super(struct super_block *sb)
+{
+}
+#endif
+
 int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
                         size_t prefix_len)
 {
@@ -1077,7 +1125,7 @@ int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
        struct cifs_sb_info *cifs_sb;
        int rc = 0;
 
-       sb = cifs_get_tcp_super(tcon->ses->server);
+       sb = cifs_get_tcon_super(tcon);
        if (IS_ERR(sb))
                return PTR_ERR(sb);
 
@@ -1099,6 +1147,6 @@ int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
        cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
 
 out:
-       cifs_put_tcp_super(sb);
+       cifs_put_tcon_super(sb);
        return rc;
 }
index b36c46f..f829f41 100644 (file)
@@ -687,6 +687,11 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
        if (smb3_encryption_required(tcon))
                flags |= CIFS_TRANSFORM_REQ;
 
+       if (!server->ops->new_lease_key)
+               return -EIO;
+
+       server->ops->new_lease_key(pfid);
+
        memset(rqst, 0, sizeof(rqst));
        resp_buftype[0] = resp_buftype[1] = CIFS_NO_BUFFER;
        memset(rsp_iov, 0, sizeof(rsp_iov));
index 2d35768..ae49a55 100644 (file)
@@ -506,20 +506,11 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_u32_wo, NULL, debugfs_u32_set, "%llu\n");
  * This function creates a file in debugfs with the given name that
  * contains the value of the variable @value.  If the @mode variable is so
  * set, it can be read from, and written to.
- *
- * This function will return a pointer to a dentry if it succeeds.  This
- * pointer must be passed to the debugfs_remove() function when the file is
- * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here.)  If an error occurs, ERR_PTR(-ERROR) will be
- * returned.
- *
- * If debugfs is not enabled in the kernel, the value ERR_PTR(-ENODEV) will
- * be returned.
  */
-struct dentry *debugfs_create_u32(const char *name, umode_t mode,
-                                struct dentry *parent, u32 *value)
+void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
+                       u32 *value)
 {
-       return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
+       debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
                                   &fops_u32_ro, &fops_u32_wo);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_u32);
index c687f57..0b91b06 100644 (file)
@@ -524,6 +524,7 @@ enum {
        REQ_F_OVERFLOW_BIT,
        REQ_F_POLLED_BIT,
        REQ_F_BUFFER_SELECTED_BIT,
+       REQ_F_NO_FILE_TABLE_BIT,
 
        /* not a real bit, just to check we're not overflowing the space */
        __REQ_F_LAST_BIT,
@@ -577,6 +578,8 @@ enum {
        REQ_F_POLLED            = BIT(REQ_F_POLLED_BIT),
        /* buffer already selected */
        REQ_F_BUFFER_SELECTED   = BIT(REQ_F_BUFFER_SELECTED_BIT),
+       /* doesn't need file table for this request */
+       REQ_F_NO_FILE_TABLE     = BIT(REQ_F_NO_FILE_TABLE_BIT),
 };
 
 struct async_poll {
@@ -799,6 +802,7 @@ static const struct io_op_def io_op_defs[] = {
                .needs_file             = 1,
                .fd_non_neg             = 1,
                .needs_fs               = 1,
+               .file_table             = 1,
        },
        [IORING_OP_READ] = {
                .needs_mm               = 1,
@@ -1291,7 +1295,7 @@ static struct io_kiocb *io_get_fallback_req(struct io_ring_ctx *ctx)
        struct io_kiocb *req;
 
        req = ctx->fallback_req;
-       if (!test_and_set_bit_lock(0, (unsigned long *) ctx->fallback_req))
+       if (!test_and_set_bit_lock(0, (unsigned long *) &ctx->fallback_req))
                return req;
 
        return NULL;
@@ -1378,7 +1382,7 @@ static void __io_free_req(struct io_kiocb *req)
        if (likely(!io_is_fallback_req(req)))
                kmem_cache_free(req_cachep, req);
        else
-               clear_bit_unlock(0, (unsigned long *) req->ctx->fallback_req);
+               clear_bit_unlock(0, (unsigned long *) &req->ctx->fallback_req);
 }
 
 struct req_batch {
@@ -2034,7 +2038,7 @@ static struct file *__io_file_get(struct io_submit_state *state, int fd)
  * any file. For now, just ensure that anything potentially problematic is done
  * inline.
  */
-static bool io_file_supports_async(struct file *file)
+static bool io_file_supports_async(struct file *file, int rw)
 {
        umode_t mode = file_inode(file)->i_mode;
 
@@ -2043,7 +2047,13 @@ static bool io_file_supports_async(struct file *file)
        if (S_ISREG(mode) && file->f_op != &io_uring_fops)
                return true;
 
-       return false;
+       if (!(file->f_mode & FMODE_NOWAIT))
+               return false;
+
+       if (rw == READ)
+               return file->f_op->read_iter != NULL;
+
+       return file->f_op->write_iter != NULL;
 }
 
 static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe,
@@ -2571,7 +2581,7 @@ static int io_read(struct io_kiocb *req, bool force_nonblock)
         * If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
         * we know to async punt it even if it was opened O_NONBLOCK
         */
-       if (force_nonblock && !io_file_supports_async(req->file))
+       if (force_nonblock && !io_file_supports_async(req->file, READ))
                goto copy_iov;
 
        iov_count = iov_iter_count(&iter);
@@ -2594,7 +2604,8 @@ copy_iov:
                        if (ret)
                                goto out_free;
                        /* any defer here is final, must blocking retry */
-                       if (!(req->flags & REQ_F_NOWAIT))
+                       if (!(req->flags & REQ_F_NOWAIT) &&
+                           !file_can_poll(req->file))
                                req->flags |= REQ_F_MUST_PUNT;
                        return -EAGAIN;
                }
@@ -2662,7 +2673,7 @@ static int io_write(struct io_kiocb *req, bool force_nonblock)
         * If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
         * we know to async punt it even if it was opened O_NONBLOCK
         */
-       if (force_nonblock && !io_file_supports_async(req->file))
+       if (force_nonblock && !io_file_supports_async(req->file, WRITE))
                goto copy_iov;
 
        /* file path doesn't support NOWAIT for non-direct_IO */
@@ -2716,7 +2727,8 @@ copy_iov:
                        if (ret)
                                goto out_free;
                        /* any defer here is final, must blocking retry */
-                       req->flags |= REQ_F_MUST_PUNT;
+                       if (!file_can_poll(req->file))
+                               req->flags |= REQ_F_MUST_PUNT;
                        return -EAGAIN;
                }
        }
@@ -2756,15 +2768,6 @@ static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
        return 0;
 }
 
-static bool io_splice_punt(struct file *file)
-{
-       if (get_pipe_info(file))
-               return false;
-       if (!io_file_supports_async(file))
-               return true;
-       return !(file->f_flags & O_NONBLOCK);
-}
-
 static int io_splice(struct io_kiocb *req, bool force_nonblock)
 {
        struct io_splice *sp = &req->splice;
@@ -2774,11 +2777,8 @@ static int io_splice(struct io_kiocb *req, bool force_nonblock)
        loff_t *poff_in, *poff_out;
        long ret;
 
-       if (force_nonblock) {
-               if (io_splice_punt(in) || io_splice_punt(out))
-                       return -EAGAIN;
-               flags |= SPLICE_F_NONBLOCK;
-       }
+       if (force_nonblock)
+               return -EAGAIN;
 
        poff_in = (sp->off_in == -1) ? NULL : &sp->off_in;
        poff_out = (sp->off_out == -1) ? NULL : &sp->off_out;
@@ -3355,8 +3355,12 @@ static int io_statx(struct io_kiocb *req, bool force_nonblock)
        struct kstat stat;
        int ret;
 
-       if (force_nonblock)
+       if (force_nonblock) {
+               /* only need file table for an actual valid fd */
+               if (ctx->dfd == -1 || ctx->dfd == AT_FDCWD)
+                       req->flags |= REQ_F_NO_FILE_TABLE;
                return -EAGAIN;
+       }
 
        if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->how.flags))
                return -EINVAL;
@@ -3502,7 +3506,7 @@ static void io_sync_file_range_finish(struct io_wq_work **workptr)
        if (io_req_cancelled(req))
                return;
        __io_sync_file_range(req);
-       io_put_req(req); /* put submission ref */
+       io_steal_work(req, workptr);
 }
 
 static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock)
@@ -5015,7 +5019,7 @@ static int io_req_defer(struct io_kiocb *req, const struct io_uring_sqe *sqe)
        int ret;
 
        /* Still need defer if there is pending req in defer list. */
-       if (!req_need_defer(req) && list_empty(&ctx->defer_list))
+       if (!req_need_defer(req) && list_empty_careful(&ctx->defer_list))
                return 0;
 
        if (!req->io && io_alloc_async_ctx(req))
@@ -5429,7 +5433,7 @@ static int io_grab_files(struct io_kiocb *req)
        int ret = -EBADF;
        struct io_ring_ctx *ctx = req->ctx;
 
-       if (req->work.files)
+       if (req->work.files || (req->flags & REQ_F_NO_FILE_TABLE))
                return 0;
        if (!ctx->ring_file)
                return -EBADF;
@@ -7327,7 +7331,7 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
         * it could cause shutdown to hang.
         */
        while (ctx->sqo_thread && !wq_has_sleeper(&ctx->sqo_wait))
-               cpu_relax();
+               cond_resched();
 
        io_kill_timeouts(ctx);
        io_poll_remove_all(ctx);
index 282d45b..5e80b40 100644 (file)
@@ -55,6 +55,7 @@ EXPORT_SYMBOL(vfs_ioctl);
 static int ioctl_fibmap(struct file *filp, int __user *p)
 {
        struct inode *inode = file_inode(filp);
+       struct super_block *sb = inode->i_sb;
        int error, ur_block;
        sector_t block;
 
@@ -71,6 +72,13 @@ static int ioctl_fibmap(struct file *filp, int __user *p)
        block = ur_block;
        error = bmap(inode, &block);
 
+       if (block > INT_MAX) {
+               error = -ERANGE;
+               pr_warn_ratelimited("[%s/%d] FS: %s File: %pD4 would truncate fibmap result\n",
+                                   current->comm, task_pid_nr(current),
+                                   sb->s_id, filp);
+       }
+
        if (error)
                ur_block = 0;
        else
index bccf305..d55e8f4 100644 (file)
@@ -117,10 +117,7 @@ iomap_bmap_actor(struct inode *inode, loff_t pos, loff_t length,
 
        if (iomap->type == IOMAP_MAPPED) {
                addr = (pos - iomap->offset + iomap->addr) >> inode->i_blkbits;
-               if (addr > INT_MAX)
-                       WARN(1, "would truncate bmap result\n");
-               else
-                       *bno = addr;
+               *bno = addr;
        }
        return 0;
 }
index c5c3fc6..26c94b3 100644 (file)
@@ -253,37 +253,45 @@ int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
 
 int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 {
-       struct posix_acl *alloc = NULL, *dfacl = NULL;
+       struct posix_acl *orig = acl, *dfacl = NULL, *alloc;
        int status;
 
        if (S_ISDIR(inode->i_mode)) {
                switch(type) {
                case ACL_TYPE_ACCESS:
-                       alloc = dfacl = get_acl(inode, ACL_TYPE_DEFAULT);
+                       alloc = get_acl(inode, ACL_TYPE_DEFAULT);
                        if (IS_ERR(alloc))
                                goto fail;
+                       dfacl = alloc;
                        break;
 
                case ACL_TYPE_DEFAULT:
-                       dfacl = acl;
-                       alloc = acl = get_acl(inode, ACL_TYPE_ACCESS);
+                       alloc = get_acl(inode, ACL_TYPE_ACCESS);
                        if (IS_ERR(alloc))
                                goto fail;
+                       dfacl = acl;
+                       acl = alloc;
                        break;
                }
        }
 
        if (acl == NULL) {
-               alloc = acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
+               alloc = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
                if (IS_ERR(alloc))
                        goto fail;
+               acl = alloc;
        }
        status = __nfs3_proc_setacls(inode, acl, dfacl);
-       posix_acl_release(alloc);
+out:
+       if (acl != orig)
+               posix_acl_release(acl);
+       if (dfacl != orig)
+               posix_acl_release(dfacl);
        return status;
 
 fail:
-       return PTR_ERR(alloc);
+       status = PTR_ERR(alloc);
+       goto out;
 }
 
 const struct xattr_handler *nfs3_xattr_handlers[] = {
index 512afb1..a0c1e65 100644 (file)
@@ -7891,6 +7891,7 @@ static void
 nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
 {
        struct nfs41_bind_conn_to_session_args *args = task->tk_msg.rpc_argp;
+       struct nfs41_bind_conn_to_session_res *res = task->tk_msg.rpc_resp;
        struct nfs_client *clp = args->client;
 
        switch (task->tk_status) {
@@ -7899,6 +7900,12 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
                nfs4_schedule_session_recovery(clp->cl_session,
                                task->tk_status);
        }
+       if (args->dir == NFS4_CDFC4_FORE_OR_BOTH &&
+                       res->dir != NFS4_CDFS4_BOTH) {
+               rpc_task_close_connection(task);
+               if (args->retries++ < MAX_BIND_CONN_TO_SESSION_RETRIES)
+                       rpc_restart_call(task);
+       }
 }
 
 static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
@@ -7921,6 +7928,7 @@ int nfs4_proc_bind_one_conn_to_session(struct rpc_clnt *clnt,
        struct nfs41_bind_conn_to_session_args args = {
                .client = clp,
                .dir = NFS4_CDFC4_FORE_OR_BOTH,
+               .retries = 0,
        };
        struct nfs41_bind_conn_to_session_res res;
        struct rpc_message msg = {
@@ -9191,8 +9199,7 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
        nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
 
        task = rpc_run_task(&task_setup_data);
-       if (IS_ERR(task))
-               return ERR_CAST(task);
+
        status = rpc_wait_for_completion_task(task);
        if (status != 0)
                goto out;
index b8d78f3..dd2e14f 100644 (file)
@@ -1332,13 +1332,15 @@ _pnfs_return_layout(struct inode *ino)
                        !valid_layout) {
                spin_unlock(&ino->i_lock);
                dprintk("NFS: %s no layout segments to return\n", __func__);
-               goto out_put_layout_hdr;
+               goto out_wait_layoutreturn;
        }
 
        send = pnfs_prepare_layoutreturn(lo, &stateid, &cred, NULL);
        spin_unlock(&ino->i_lock);
        if (send)
                status = pnfs_send_layoutreturn(lo, &stateid, &cred, IOMODE_ANY, true);
+out_wait_layoutreturn:
+       wait_on_bit(&lo->plh_flags, NFS_LAYOUT_RETURN, TASK_UNINTERRUPTIBLE);
 out_put_layout_hdr:
        pnfs_free_lseg_list(&tmp_list);
        pnfs_put_layout_hdr(lo);
@@ -1456,18 +1458,15 @@ retry:
        /* lo ref dropped in pnfs_roc_release() */
        layoutreturn = pnfs_prepare_layoutreturn(lo, &stateid, &lc_cred, &iomode);
        /* If the creds don't match, we can't compound the layoutreturn */
-       if (!layoutreturn)
+       if (!layoutreturn || cred_fscmp(cred, lc_cred) != 0)
                goto out_noroc;
-       if (cred_fscmp(cred, lc_cred) != 0)
-               goto out_noroc_put_cred;
 
        roc = layoutreturn;
        pnfs_init_layoutreturn_args(args, lo, &stateid, iomode);
        res->lrs_present = 0;
        layoutreturn = false;
-
-out_noroc_put_cred:
        put_cred(lc_cred);
+
 out_noroc:
        spin_unlock(&ino->i_lock);
        rcu_read_unlock();
index 59ef3b1..bdb6d0c 100644 (file)
@@ -185,7 +185,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
 
        rcu_read_lock();
        list_for_each_entry_rcu(server, head, client_link) {
-               if (!nfs_sb_active(server->super))
+               if (!(server->super && nfs_sb_active(server->super)))
                        continue;
                rcu_read_unlock();
                if (last)
index 8e4f1ac..1de77f1 100644 (file)
@@ -275,7 +275,6 @@ static ssize_t dlmfs_file_write(struct file *filp,
                                loff_t *ppos)
 {
        int bytes_left;
-       ssize_t writelen;
        char *lvb_buf;
        struct inode *inode = file_inode(filp);
 
@@ -285,32 +284,30 @@ static ssize_t dlmfs_file_write(struct file *filp,
        if (*ppos >= i_size_read(inode))
                return -ENOSPC;
 
+       /* don't write past the lvb */
+       if (count > i_size_read(inode) - *ppos)
+               count = i_size_read(inode) - *ppos;
+
        if (!count)
                return 0;
 
        if (!access_ok(buf, count))
                return -EFAULT;
 
-       /* don't write past the lvb */
-       if ((count + *ppos) > i_size_read(inode))
-               writelen = i_size_read(inode) - *ppos;
-       else
-               writelen = count - *ppos;
-
-       lvb_buf = kmalloc(writelen, GFP_NOFS);
+       lvb_buf = kmalloc(count, GFP_NOFS);
        if (!lvb_buf)
                return -ENOMEM;
 
-       bytes_left = copy_from_user(lvb_buf, buf, writelen);
-       writelen -= bytes_left;
-       if (writelen)
-               user_dlm_write_lvb(inode, lvb_buf, writelen);
+       bytes_left = copy_from_user(lvb_buf, buf, count);
+       count -= bytes_left;
+       if (count)
+               user_dlm_write_lvb(inode, lvb_buf, count);
 
        kfree(lvb_buf);
 
-       *ppos = *ppos + writelen;
-       mlog(0, "wrote %zd bytes\n", writelen);
-       return writelen;
+       *ppos = *ppos + count;
+       mlog(0, "wrote %zu bytes\n", count);
+       return count;
 }
 
 static void dlmfs_init_once(void *foo)
index 49f6d7f..1106137 100644 (file)
@@ -261,14 +261,13 @@ static int propagate_one(struct mount *m)
        child = copy_tree(last_source, last_source->mnt.mnt_root, type);
        if (IS_ERR(child))
                return PTR_ERR(child);
+       read_seqlock_excl(&mount_lock);
        mnt_set_mountpoint(m, mp, child);
+       if (m->mnt_master != dest_master)
+               SET_MNT_MARK(m->mnt_master);
+       read_sequnlock_excl(&mount_lock);
        last_dest = m;
        last_source = child;
-       if (m->mnt_master != dest_master) {
-               read_seqlock_excl(&mount_lock);
-               SET_MNT_MARK(m->mnt_master);
-               read_sequnlock_excl(&mount_lock);
-       }
        hlist_add_head(&child->mnt_hash, list);
        return count_mounts(m->mnt_ns, child);
 }
index cd35253..a288cd6 100644 (file)
@@ -1302,8 +1302,8 @@ int get_tree_bdev(struct fs_context *fc,
        mutex_lock(&bdev->bd_fsfreeze_mutex);
        if (bdev->bd_fsfreeze_count > 0) {
                mutex_unlock(&bdev->bd_fsfreeze_mutex);
-               blkdev_put(bdev, mode);
                warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
+               blkdev_put(bdev, mode);
                return -EBUSY;
        }
 
index a274d95..63cb360 100644 (file)
@@ -103,8 +103,8 @@ void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
                       u8 *value);
 void debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent,
                        u16 *value);
-struct dentry *debugfs_create_u32(const char *name, umode_t mode,
-                                 struct dentry *parent, u32 *value);
+void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
+                       u32 *value);
 void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
                        u64 *value);
 struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
@@ -250,12 +250,8 @@ static inline void debugfs_create_u8(const char *name, umode_t mode,
 static inline void debugfs_create_u16(const char *name, umode_t mode,
                                      struct dentry *parent, u16 *value) { }
 
-static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
-                                               struct dentry *parent,
-                                               u32 *value)
-{
-       return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_u32(const char *name, umode_t mode,
+                                     struct dentry *parent, u32 *value) { }
 
 static inline void debugfs_create_u64(const char *name, umode_t mode,
                                      struct dentry *parent, u64 *value) { }
index 1ade486..57bcef6 100644 (file)
@@ -329,13 +329,12 @@ struct dma_buf {
 
 /**
  * struct dma_buf_attach_ops - importer operations for an attachment
- * @move_notify: [optional] notification that the DMA-buf is moving
  *
  * Attachment operations implemented by the importer.
  */
 struct dma_buf_attach_ops {
        /**
-        * @move_notify
+        * @move_notify: [optional] notification that the DMA-buf is moving
         *
         * If this callback is provided the framework can avoid pinning the
         * backing store while mappings exists.
index 21065c0..e1c0333 100644 (file)
@@ -83,9 +83,9 @@ enum dma_transfer_direction {
 /**
  * Interleaved Transfer Request
  * ----------------------------
- * A chunk is collection of contiguous bytes to be transfered.
+ * A chunk is collection of contiguous bytes to be transferred.
  * The gap(in bytes) between two chunks is called inter-chunk-gap(ICG).
- * ICGs may or maynot change between chunks.
+ * ICGs may or may not change between chunks.
  * A FRAME is the smallest series of contiguous {chunk,icg} pairs,
  *  that when repeated an integral number of times, specifies the transfer.
  * A transfer template is specification of a Frame, the number of times
@@ -341,13 +341,11 @@ struct dma_chan {
  * @chan: driver channel device
  * @device: sysfs device
  * @dev_id: parent dma_device dev_id
- * @idr_ref: reference count to gate release of dma_device dev_id
  */
 struct dma_chan_dev {
        struct dma_chan *chan;
        struct device device;
        int dev_id;
-       atomic_t *idr_ref;
 };
 
 /**
@@ -835,6 +833,8 @@ struct dma_device {
        int dev_id;
        struct device *dev;
        struct module *owner;
+       struct ida chan_ida;
+       struct mutex chan_mutex;        /* to protect chan_ida */
 
        u32 src_addr_widths;
        u32 dst_addr_widths;
@@ -1069,7 +1069,7 @@ static inline int dmaengine_terminate_all(struct dma_chan *chan)
  * dmaengine_synchronize() needs to be called before it is safe to free
  * any memory that is accessed by previously submitted descriptors or before
  * freeing any resources accessed from within the completion callback of any
- * perviously submitted descriptors.
+ * previously submitted descriptors.
  *
  * This function can be called from atomic context as well as from within a
  * complete callback of a descriptor submitted on the same channel.
@@ -1091,7 +1091,7 @@ static inline int dmaengine_terminate_async(struct dma_chan *chan)
  *
  * Synchronizes to the DMA channel termination to the current context. When this
  * function returns it is guaranteed that all transfers for previously issued
- * descriptors have stopped and and it is safe to free the memory assoicated
+ * descriptors have stopped and it is safe to free the memory associated
  * with them. Furthermore it is guaranteed that all complete callback functions
  * for a previously submitted descriptor have finished running and it is safe to
  * free resources accessed from within the complete callbacks.
index 4f6f59b..45cc10c 100644 (file)
@@ -983,7 +983,7 @@ struct file_handle {
        __u32 handle_bytes;
        int handle_type;
        /* file identifier */
-       unsigned char f_handle[0];
+       unsigned char f_handle[];
 };
 
 static inline struct file *get_file(struct file *f)
index 17f56a0..25c8750 100644 (file)
@@ -600,7 +600,7 @@ void iio_device_unregister(struct iio_dev *indio_dev);
  * 0 on success, negative error number on failure.
  */
 #define devm_iio_device_register(dev, indio_dev) \
-       __devm_iio_device_register((dev), (indio_dev), THIS_MODULE);
+       __devm_iio_device_register((dev), (indio_dev), THIS_MODULE)
 int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev,
                               struct module *this_mod);
 void devm_iio_device_unregister(struct device *dev, struct iio_dev *indio_dev);
index 4402304..e5f3e7d 100644 (file)
@@ -1317,11 +1317,13 @@ struct nfs41_impl_id {
        struct nfstime4                 date;
 };
 
+#define MAX_BIND_CONN_TO_SESSION_RETRIES 3
 struct nfs41_bind_conn_to_session_args {
        struct nfs_client               *client;
        struct nfs4_sessionid           sessionid;
        u32                             dir;
        bool                            use_conn_in_rdma_mode;
+       int                             retries;
 };
 
 struct nfs41_bind_conn_to_session_res {
index c588be8..0ecce6a 100644 (file)
@@ -185,6 +185,7 @@ int cros_ec_sensorhub_register_push_data(struct cros_ec_sensorhub *sensorhub,
 void cros_ec_sensorhub_unregister_push_data(struct cros_ec_sensorhub *sensorhub,
                                            u8 sensor_num);
 
+int cros_ec_sensorhub_ring_allocate(struct cros_ec_sensorhub *sensorhub);
 int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub);
 void cros_ec_sensorhub_ring_remove(void *arg);
 int cros_ec_sensorhub_ring_fifo_enable(struct cros_ec_sensorhub *sensorhub,
index ca7e108..02e7a58 100644 (file)
@@ -71,7 +71,13 @@ struct rpc_clnt {
 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
        struct dentry           *cl_debugfs;    /* debugfs directory */
 #endif
-       struct rpc_xprt_iter    cl_xpi;
+       /* cl_work is only needed after cl_xpi is no longer used,
+        * and that are of similar size
+        */
+       union {
+               struct rpc_xprt_iter    cl_xpi;
+               struct work_struct      cl_work;
+       };
        const struct cred       *cl_cred;
 };
 
@@ -236,4 +242,9 @@ static inline int rpc_reply_expected(struct rpc_task *task)
                (task->tk_msg.rpc_proc->p_decode != NULL);
 }
 
+static inline void rpc_task_close_connection(struct rpc_task *task)
+{
+       if (task->tk_xprt)
+               xprt_force_disconnect(task->tk_xprt);
+}
 #endif /* _LINUX_SUNRPC_CLNT_H */
index bd5fe0e..a99e9b8 100644 (file)
@@ -66,7 +66,7 @@ struct tty_buffer {
        int read;
        int flags;
        /* Data points here */
-       unsigned long data[0];
+       unsigned long data[];
 };
 
 /* Values for .flags field of tty_buffer */
index 596e0a8..132c3c7 100644 (file)
@@ -692,11 +692,10 @@ TRACE_EVENT(xprtrdma_prepsend_failed,
 
 TRACE_EVENT(xprtrdma_post_send,
        TP_PROTO(
-               const struct rpcrdma_req *req,
-               int status
+               const struct rpcrdma_req *req
        ),
 
-       TP_ARGS(req, status),
+       TP_ARGS(req),
 
        TP_STRUCT__entry(
                __field(const void *, req)
@@ -705,7 +704,6 @@ TRACE_EVENT(xprtrdma_post_send,
                __field(unsigned int, client_id)
                __field(int, num_sge)
                __field(int, signaled)
-               __field(int, status)
        ),
 
        TP_fast_assign(
@@ -718,15 +716,13 @@ TRACE_EVENT(xprtrdma_post_send,
                __entry->sc = req->rl_sendctx;
                __entry->num_sge = req->rl_wr.num_sge;
                __entry->signaled = req->rl_wr.send_flags & IB_SEND_SIGNALED;
-               __entry->status = status;
        ),
 
-       TP_printk("task:%u@%u req=%p sc=%p (%d SGE%s) %sstatus=%d",
+       TP_printk("task:%u@%u req=%p sc=%p (%d SGE%s) %s",
                __entry->task_id, __entry->client_id,
                __entry->req, __entry->sc, __entry->num_sge,
                (__entry->num_sge == 1 ? "" : "s"),
-               (__entry->signaled ? "signaled " : ""),
-               __entry->status
+               (__entry->signaled ? "signaled" : "")
        )
 );
 
index 65f6972..d28b4ce 100644 (file)
@@ -346,6 +346,10 @@ struct drm_amdgpu_gem_userptr {
 #define AMDGPU_TILING_DCC_PITCH_MAX_MASK               0x3FFF
 #define AMDGPU_TILING_DCC_INDEPENDENT_64B_SHIFT                43
 #define AMDGPU_TILING_DCC_INDEPENDENT_64B_MASK         0x1
+#define AMDGPU_TILING_DCC_INDEPENDENT_128B_SHIFT       44
+#define AMDGPU_TILING_DCC_INDEPENDENT_128B_MASK                0x1
+#define AMDGPU_TILING_SCANOUT_SHIFT                    63
+#define AMDGPU_TILING_SCANOUT_MASK                     0x1
 
 /* Set/Get helpers for tiling flags. */
 #define AMDGPU_TILING_SET(field, value) \
index 7bbf1b6..f9b7fdd 100644 (file)
@@ -73,7 +73,7 @@ struct bpf_insn {
 /* Key of an a BPF_MAP_TYPE_LPM_TRIE entry */
 struct bpf_lpm_trie_key {
        __u32   prefixlen;      /* up to 32 for AF_INET, 128 for AF_INET6 */
-       __u8    data[]; /* Arbitrary size */
+       __u8    data[0];        /* Arbitrary size */
 };
 
 struct bpf_cgroup_storage_key {
index e83954c..f880d28 100644 (file)
@@ -45,13 +45,13 @@ struct dlm_lock_params {
        void __user *bastaddr;
        struct dlm_lksb __user *lksb;
        char lvb[DLM_USER_LVB_LEN];
-       char name[];
+       char name[0];
 };
 
 struct dlm_lspace_params {
        __u32 flags;
        __u32 minor;
-       char name[];
+       char name[0];
 };
 
 struct dlm_purge_params {
index dbc7092..7f30393 100644 (file)
@@ -39,6 +39,12 @@ struct dma_buf_sync {
 
 #define DMA_BUF_BASE           'b'
 #define DMA_BUF_IOCTL_SYNC     _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)
+
+/* 32/64bitness of this uapi was botched in android, there's no difference
+ * between them in actual uapi, they're just different numbers.
+ */
 #define DMA_BUF_SET_NAME       _IOW(DMA_BUF_BASE, 1, const char *)
+#define DMA_BUF_SET_NAME_A     _IOW(DMA_BUF_BASE, 1, u32)
+#define DMA_BUF_SET_NAME_B     _IOW(DMA_BUF_BASE, 1, u64)
 
 #endif
index 7a900b2..8c0bc24 100644 (file)
@@ -34,7 +34,7 @@ struct fiemap {
        __u32 fm_mapped_extents;/* number of extents that were mapped (out) */
        __u32 fm_extent_count;  /* size of fm_extents array (in) */
        __u32 fm_reserved;
-       struct fiemap_extent fm_extents[]; /* array of mapped extents (out) */
+       struct fiemap_extent fm_extents[0]; /* array of mapped extents (out) */
 };
 
 #define FIEMAP_MAX_OFFSET      (~0ULL)
index 991b2b7..8f24404 100644 (file)
@@ -119,8 +119,8 @@ enum hv_fcopy_op {
 
 struct hv_fcopy_hdr {
        __u32 operation;
-       uuid_le service_id0; /* currently unused */
-       uuid_le service_id1; /* currently unused */
+       __u8 service_id0[16]; /* currently unused */
+       __u8 service_id1[16]; /* currently unused */
 } __attribute__((packed));
 
 #define OVER_WRITE     0x1
index b122cfa..6838780 100644 (file)
@@ -60,7 +60,7 @@ struct arc_rfc1201 {
        __u8  proto;            /* protocol ID field - varies           */
        __u8  split_flag;       /* for use with split packets           */
        __be16   sequence;      /* sequence number                      */
-       __u8  payload[];        /* space remaining in packet (504 bytes)*/
+       __u8  payload[0];       /* space remaining in packet (504 bytes)*/
 };
 #define RFC1201_HDR_SIZE 4
 
@@ -69,7 +69,7 @@ struct arc_rfc1201 {
  */
 struct arc_rfc1051 {
        __u8 proto;             /* ARC_P_RFC1051_ARP/RFC1051_IP */
-       __u8 payload[]; /* 507 bytes                    */
+       __u8 payload[0];        /* 507 bytes                    */
 };
 #define RFC1051_HDR_SIZE 1
 
@@ -80,7 +80,7 @@ struct arc_rfc1051 {
 struct arc_eth_encap {
        __u8 proto;             /* Always ARC_P_ETHER                   */
        struct ethhdr eth;      /* standard ethernet header (yuck!)     */
-       __u8 payload[]; /* 493 bytes                            */
+       __u8 payload[0];        /* 493 bytes                            */
 };
 #define ETH_ENCAP_HDR_SIZE 14
 
index 98e29e7..00c0812 100644 (file)
@@ -57,7 +57,7 @@ struct mmc_ioc_cmd {
  */
 struct mmc_ioc_multi_cmd {
        __u64 num_of_cmds;
-       struct mmc_ioc_cmd cmds[];
+       struct mmc_ioc_cmd cmds[0];
 };
 
 #define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd)
index 67e31f3..66048cc 100644 (file)
@@ -29,12 +29,12 @@ struct net_dm_config_entry {
 
 struct net_dm_config_msg {
        __u32 entries;
-       struct net_dm_config_entry options[];
+       struct net_dm_config_entry options[0];
 };
 
 struct net_dm_alert_msg {
        __u32 entries;
-       struct net_dm_drop_point points[];
+       struct net_dm_drop_point points[0];
 };
 
 struct net_dm_user_msg {
index 73b26a2..9acf757 100644 (file)
@@ -40,7 +40,7 @@ struct ebt_mac_wormhash_tuple {
 struct ebt_mac_wormhash {
        int table[257];
        int poolsize;
-       struct ebt_mac_wormhash_tuple pool[];
+       struct ebt_mac_wormhash_tuple pool[0];
 };
 
 #define ebt_mac_wormhash_size(x) ((x) ? sizeof(struct ebt_mac_wormhash) \
index 7f59308..3ae65e9 100644 (file)
@@ -209,7 +209,7 @@ struct fc_bsg_host_vendor {
        __u64 vendor_id;
 
        /* start of vendor command area */
-       __u32 vendor_cmd[];
+       __u32 vendor_cmd[0];
 };
 
 /* Response:
index 86aba87..30bd28d 100644 (file)
@@ -898,6 +898,13 @@ static int software_resume(void)
        error = freeze_processes();
        if (error)
                goto Close_Finish;
+
+       error = freeze_kernel_threads();
+       if (error) {
+               thaw_processes();
+               goto Close_Finish;
+       }
+
        error = load_image_and_restore();
        thaw_processes();
  Finish:
index 7a6430a..ccb2ffa 100644 (file)
@@ -93,7 +93,7 @@ static void kunit_print_ok_not_ok(void *test_or_suite,
         * representation.
         */
        if (suite)
-               pr_info("%s %zd - %s",
+               pr_info("%s %zd - %s\n",
                        kunit_status_to_string(is_ok),
                        test_number, description);
        else
index 2dceaca..891e1c3 100644 (file)
@@ -722,22 +722,22 @@ do {                                                                      \
 do { \
        if (__builtin_constant_p(bh) && (bh) == 0) \
                __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "%r" ((USItype)(ah)), \
                "%r" ((USItype)(al)), \
                "rI" ((USItype)(bl))); \
        else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
                __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "%r" ((USItype)(ah)), \
                "%r" ((USItype)(al)), \
                "rI" ((USItype)(bl))); \
        else \
                __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "%r" ((USItype)(ah)), \
                "r" ((USItype)(bh)), \
                "%r" ((USItype)(al)), \
@@ -747,36 +747,36 @@ do { \
 do { \
        if (__builtin_constant_p(ah) && (ah) == 0) \
                __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "r" ((USItype)(bh)), \
                "rI" ((USItype)(al)), \
                "r" ((USItype)(bl))); \
        else if (__builtin_constant_p(ah) && (ah) == ~(USItype) 0) \
                __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "r" ((USItype)(bh)), \
                "rI" ((USItype)(al)), \
                "r" ((USItype)(bl))); \
        else if (__builtin_constant_p(bh) && (bh) == 0) \
                __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "r" ((USItype)(ah)), \
                "rI" ((USItype)(al)), \
                "r" ((USItype)(bl))); \
        else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
                __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "r" ((USItype)(ah)), \
                "rI" ((USItype)(al)), \
                "r" ((USItype)(bl))); \
        else \
                __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \
-               : "=r" ((USItype)(sh)), \
-               "=&r" ((USItype)(sl)) \
+               : "=r" (sh), \
+               "=&r" (sl) \
                : "r" ((USItype)(ah)), \
                "r" ((USItype)(bh)), \
                "rI" ((USItype)(al)), \
@@ -787,7 +787,7 @@ do { \
 do { \
        USItype __m0 = (m0), __m1 = (m1); \
        __asm__ ("mulhwu %0,%1,%2" \
-       : "=r" ((USItype) ph) \
+       : "=r" (ph) \
        : "%r" (__m0), \
        "r" (__m1)); \
        (pl) = __m0 * __m1; \
index 325a085..8350d3a 100644 (file)
@@ -880,6 +880,20 @@ EXPORT_SYMBOL_GPL(rpc_shutdown_client);
 /*
  * Free an RPC client
  */
+static void rpc_free_client_work(struct work_struct *work)
+{
+       struct rpc_clnt *clnt = container_of(work, struct rpc_clnt, cl_work);
+
+       /* These might block on processes that might allocate memory,
+        * so they cannot be called in rpciod, so they are handled separately
+        * here.
+        */
+       rpc_clnt_debugfs_unregister(clnt);
+       rpc_clnt_remove_pipedir(clnt);
+
+       kfree(clnt);
+       rpciod_down();
+}
 static struct rpc_clnt *
 rpc_free_client(struct rpc_clnt *clnt)
 {
@@ -890,17 +904,16 @@ rpc_free_client(struct rpc_clnt *clnt)
                        rcu_dereference(clnt->cl_xprt)->servername);
        if (clnt->cl_parent != clnt)
                parent = clnt->cl_parent;
-       rpc_clnt_debugfs_unregister(clnt);
-       rpc_clnt_remove_pipedir(clnt);
        rpc_unregister_client(clnt);
        rpc_free_iostats(clnt->cl_metrics);
        clnt->cl_metrics = NULL;
        xprt_put(rcu_dereference_raw(clnt->cl_xprt));
        xprt_iter_destroy(&clnt->cl_xpi);
-       rpciod_down();
        put_cred(clnt->cl_cred);
        rpc_free_clid(clnt);
-       kfree(clnt);
+
+       INIT_WORK(&clnt->cl_work, rpc_free_client_work);
+       schedule_work(&clnt->cl_work);
        return parent;
 }
 
@@ -2808,8 +2821,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
        task = rpc_call_null_helper(clnt, xprt, NULL,
                        RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC|RPC_TASK_NULLCREDS,
                        &rpc_cb_add_xprt_call_ops, data);
-       if (IS_ERR(task))
-               return PTR_ERR(task);
+
        rpc_put_task(task);
 success:
        return 1;
index 4a81e69..3c627dc 100644 (file)
@@ -388,7 +388,9 @@ static int rpcrdma_encode_read_list(struct rpcrdma_xprt *r_xprt,
        } while (nsegs);
 
 done:
-       return xdr_stream_encode_item_absent(xdr);
+       if (xdr_stream_encode_item_absent(xdr) < 0)
+               return -EMSGSIZE;
+       return 0;
 }
 
 /* Register and XDR encode the Write list. Supports encoding a list
@@ -454,7 +456,9 @@ static int rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt,
        *segcount = cpu_to_be32(nchunks);
 
 done:
-       return xdr_stream_encode_item_absent(xdr);
+       if (xdr_stream_encode_item_absent(xdr) < 0)
+               return -EMSGSIZE;
+       return 0;
 }
 
 /* Register and XDR encode the Reply chunk. Supports encoding an array
@@ -480,8 +484,11 @@ static int rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt,
        int nsegs, nchunks;
        __be32 *segcount;
 
-       if (wtype != rpcrdma_replych)
-               return xdr_stream_encode_item_absent(xdr);
+       if (wtype != rpcrdma_replych) {
+               if (xdr_stream_encode_item_absent(xdr) < 0)
+                       return -EMSGSIZE;
+               return 0;
+       }
 
        seg = req->rl_segments;
        nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_rcv_buf, 0, wtype, seg);
index cdd84c0..05c4d3a 100644 (file)
@@ -289,6 +289,7 @@ rpcrdma_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event)
        case RDMA_CM_EVENT_DISCONNECTED:
                ep->re_connect_status = -ECONNABORTED;
 disconnected:
+               xprt_force_disconnect(xprt);
                return rpcrdma_ep_destroy(ep);
        default:
                break;
@@ -1355,8 +1356,8 @@ int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
                --ep->re_send_count;
        }
 
+       trace_xprtrdma_post_send(req);
        rc = frwr_send(r_xprt, req);
-       trace_xprtrdma_post_send(req, rc);
        if (rc)
                return -ENOTCONN;
        return 0;
index f22858b..80f3542 100644 (file)
@@ -4,6 +4,7 @@ GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
 HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti
 HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb
 HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable -Wno-c++11-compat
+HOST_EXTRACXXFLAGS += -Wno-format-diag
 
 $(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h
 quiet_cmd_create_randomize_layout_seed = GENSEED $@
index 17f0607..9ad76b7 100644 (file)
@@ -35,7 +35,9 @@
 #include "ggc.h"
 #include "timevar.h"
 
+#if BUILDING_GCC_VERSION < 10000
 #include "params.h"
+#endif
 
 #if BUILDING_GCC_VERSION <= 4009
 #include "pointer-set.h"
@@ -847,6 +849,7 @@ static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree l
        return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
 }
 
+#if BUILDING_GCC_VERSION < 10000
 template <>
 template <>
 inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
@@ -860,6 +863,7 @@ inline bool is_a_helper<const greturn *>::test(const_gimple gs)
 {
        return gs->code == GIMPLE_RETURN;
 }
+#endif
 
 static inline gasm *as_a_gasm(gimple stmt)
 {
index dbd3746..cc75eeb 100644 (file)
@@ -51,7 +51,6 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
        gimple stmt;
        gcall *stackleak_track_stack;
        cgraph_node_ptr node;
-       int frequency;
        basic_block bb;
 
        /* Insert call to void stackleak_track_stack(void) */
@@ -68,9 +67,9 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
        bb = gimple_bb(stackleak_track_stack);
        node = cgraph_get_create_node(track_function_decl);
        gcc_assert(node);
-       frequency = compute_call_stmt_bb_frequency(current_function_decl, bb);
        cgraph_create_edge(cgraph_get_node(current_function_decl), node,
-                       stackleak_track_stack, bb->count, frequency);
+                       stackleak_track_stack, bb->count,
+                       compute_call_stmt_bb_frequency(current_function_decl, bb));
 }
 
 static bool is_alloca(gimple stmt)
index 3e8dea6..6dc3078 100644 (file)
@@ -34,7 +34,7 @@ struct sym_entry {
        unsigned int len;
        unsigned int start_pos;
        unsigned int percpu_absolute;
-       unsigned char sym[0];
+       unsigned char sym[];
 };
 
 struct addr_range {
index 0b4e321..4c037c2 100644 (file)
@@ -5842,40 +5842,60 @@ static unsigned int selinux_ipv6_postroute(void *priv,
 
 static int selinux_netlink_send(struct sock *sk, struct sk_buff *skb)
 {
-       int err = 0;
-       u32 perm;
+       int rc = 0;
+       unsigned int msg_len;
+       unsigned int data_len = skb->len;
+       unsigned char *data = skb->data;
        struct nlmsghdr *nlh;
        struct sk_security_struct *sksec = sk->sk_security;
+       u16 sclass = sksec->sclass;
+       u32 perm;
 
-       if (skb->len < NLMSG_HDRLEN) {
-               err = -EINVAL;
-               goto out;
-       }
-       nlh = nlmsg_hdr(skb);
+       while (data_len >= nlmsg_total_size(0)) {
+               nlh = (struct nlmsghdr *)data;
+
+               /* NOTE: the nlmsg_len field isn't reliably set by some netlink
+                *       users which means we can't reject skb's with bogus
+                *       length fields; our solution is to follow what
+                *       netlink_rcv_skb() does and simply skip processing at
+                *       messages with length fields that are clearly junk
+                */
+               if (nlh->nlmsg_len < NLMSG_HDRLEN || nlh->nlmsg_len > data_len)
+                       return 0;
 
-       err = selinux_nlmsg_lookup(sksec->sclass, nlh->nlmsg_type, &perm);
-       if (err) {
-               if (err == -EINVAL) {
+               rc = selinux_nlmsg_lookup(sclass, nlh->nlmsg_type, &perm);
+               if (rc == 0) {
+                       rc = sock_has_perm(sk, perm);
+                       if (rc)
+                               return rc;
+               } else if (rc == -EINVAL) {
+                       /* -EINVAL is a missing msg/perm mapping */
                        pr_warn_ratelimited("SELinux: unrecognized netlink"
-                              " message: protocol=%hu nlmsg_type=%hu sclass=%s"
-                              " pid=%d comm=%s\n",
-                              sk->sk_protocol, nlh->nlmsg_type,
-                              secclass_map[sksec->sclass - 1].name,
-                              task_pid_nr(current), current->comm);
-                       if (!enforcing_enabled(&selinux_state) ||
-                           security_get_allow_unknown(&selinux_state))
-                               err = 0;
+                               " message: protocol=%hu nlmsg_type=%hu sclass=%s"
+                               " pid=%d comm=%s\n",
+                               sk->sk_protocol, nlh->nlmsg_type,
+                               secclass_map[sclass - 1].name,
+                               task_pid_nr(current), current->comm);
+                       if (enforcing_enabled(&selinux_state) &&
+                           !security_get_allow_unknown(&selinux_state))
+                               return rc;
+                       rc = 0;
+               } else if (rc == -ENOENT) {
+                       /* -ENOENT is a missing socket/class mapping, ignore */
+                       rc = 0;
+               } else {
+                       return rc;
                }
 
-               /* Ignore */
-               if (err == -ENOENT)
-                       err = 0;
-               goto out;
+               /* move to the next message after applying netlink padding */
+               msg_len = NLMSG_ALIGN(nlh->nlmsg_len);
+               if (msg_len >= data_len)
+                       return 0;
+               data_len -= msg_len;
+               data += msg_len;
        }
 
-       err = sock_has_perm(sk, perm);
-out:
-       return err;
+       return rc;
 }
 
 static void ipc_init_security(struct ipc_security_struct *isec, u16 sclass)
index 939a74f..da94a1b 100644 (file)
@@ -429,7 +429,7 @@ int cond_read_list(struct policydb *p, void *fp)
 
        p->cond_list = kcalloc(len, sizeof(*p->cond_list), GFP_KERNEL);
        if (!p->cond_list)
-               return rc;
+               return -ENOMEM;
 
        rc = avtab_alloc(&(p->te_cond_avtab), p->te_avtab.nel);
        if (rc)
index 59d62f0..1545f8f 100644 (file)
@@ -205,13 +205,14 @@ static snd_pcm_sframes_t calc_dst_frames(struct snd_pcm_substream *plug,
        plugin = snd_pcm_plug_first(plug);
        while (plugin && frames > 0) {
                plugin_next = plugin->next;
+               if (check_size && plugin->buf_frames &&
+                   frames > plugin->buf_frames)
+                       frames = plugin->buf_frames;
                if (plugin->dst_frames) {
                        frames = plugin->dst_frames(plugin, frames);
                        if (frames < 0)
                                return frames;
                }
-               if (check_size && frames > plugin->buf_frames)
-                       frames = plugin->buf_frames;
                plugin = plugin_next;
        }
        return frames;
@@ -225,14 +226,15 @@ static snd_pcm_sframes_t calc_src_frames(struct snd_pcm_substream *plug,
 
        plugin = snd_pcm_plug_last(plug);
        while (plugin && frames > 0) {
-               if (check_size && frames > plugin->buf_frames)
-                       frames = plugin->buf_frames;
                plugin_prev = plugin->prev;
                if (plugin->src_frames) {
                        frames = plugin->src_frames(plugin, frames);
                        if (frames < 0)
                                return frames;
                }
+               if (check_size && plugin->buf_frames &&
+                   frames > plugin->buf_frames)
+                       frames = plugin->buf_frames;
                plugin = plugin_prev;
        }
        return frames;
index e764816..b039429 100644 (file)
@@ -867,10 +867,13 @@ static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
        spin_unlock_irqrestore(&chip->lock, flags);
 }
 
+static inline void snd_miro_write_mask(struct snd_miro *chip,
+               unsigned char reg, unsigned char value, unsigned char mask)
+{
+       unsigned char oldval = snd_miro_read(chip, reg);
 
-#define snd_miro_write_mask(chip, reg, value, mask)    \
-       snd_miro_write(chip, reg,                       \
-               (snd_miro_read(chip, reg) & ~(mask)) | ((value) & (mask)))
+       snd_miro_write(chip, reg, (oldval & ~mask) | (value & mask));
+}
 
 /*
  *  Proc Interface
index d06b296..0e6d20e 100644 (file)
@@ -317,10 +317,13 @@ static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
 }
 
 
-#define snd_opti9xx_write_mask(chip, reg, value, mask) \
-       snd_opti9xx_write(chip, reg,                    \
-               (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
+static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
+               unsigned char reg, unsigned char value, unsigned char mask)
+{
+       unsigned char oldval = snd_opti9xx_read(chip, reg);
 
+       snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
+}
 
 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
                                           long port,
index 457a2c0..0310193 100644 (file)
@@ -2078,9 +2078,10 @@ static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
  * some HD-audio PCI entries are exposed without any codecs, and such devices
  * should be ignored from the beginning.
  */
-static const struct snd_pci_quirk driver_blacklist[] = {
-       SND_PCI_QUIRK(0x1462, 0xcb59, "MSI TRX40 Creator", 0),
-       SND_PCI_QUIRK(0x1462, 0xcb60, "MSI TRX40", 0),
+static const struct pci_device_id driver_blacklist[] = {
+       { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
+       { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
+       { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
        {}
 };
 
@@ -2100,7 +2101,7 @@ static int azx_probe(struct pci_dev *pci,
        bool schedule_probe;
        int err;
 
-       if (snd_pci_quirk_lookup(pci, driver_blacklist)) {
+       if (pci_match_id(driver_blacklist, pci)) {
                dev_info(&pci->dev, "Skipping the blacklisted device\n");
                return -ENODEV;
        }
index 4eff160..93760a3 100644 (file)
@@ -1848,8 +1848,10 @@ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
        /* Add sanity check to pass klockwork check.
         * This should never happen.
         */
-       if (WARN_ON(spdif == NULL))
+       if (WARN_ON(spdif == NULL)) {
+               mutex_unlock(&codec->spdif_mutex);
                return true;
+       }
        non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
        mutex_unlock(&codec->spdif_mutex);
        return non_pcm;
@@ -2198,7 +2200,9 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
 
        for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
                struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+               struct hdmi_eld *pin_eld = &per_pin->sink_eld;
 
+               pin_eld->eld_valid = false;
                hdmi_present_sense(per_pin, 0);
        }
 
index c1a85c8..c16f639 100644 (file)
@@ -7420,6 +7420,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1558, 0x8560, "System76 Gazelle (gaze14)", ALC269_FIXUP_HEADSET_MIC),
        SND_PCI_QUIRK(0x1558, 0x8561, "System76 Gazelle (gaze14)", ALC269_FIXUP_HEADSET_MIC),
        SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC233_FIXUP_LENOVO_MULTI_CODECS),
+       SND_PCI_QUIRK(0x17aa, 0x1048, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
        SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),
index d37db32..e39dc85 100644 (file)
@@ -21,8 +21,7 @@
 enum {
        LINE6_PODHD300,
        LINE6_PODHD400,
-       LINE6_PODHD500_0,
-       LINE6_PODHD500_1,
+       LINE6_PODHD500,
        LINE6_PODX3,
        LINE6_PODX3LIVE,
        LINE6_PODHD500X,
@@ -318,8 +317,7 @@ static const struct usb_device_id podhd_id_table[] = {
        /* TODO: no need to alloc data interfaces when only audio is used */
        { LINE6_DEVICE(0x5057),    .driver_info = LINE6_PODHD300 },
        { LINE6_DEVICE(0x5058),    .driver_info = LINE6_PODHD400 },
-       { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
-       { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
+       { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 },
        { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
        { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
        { LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
@@ -352,23 +350,13 @@ static const struct line6_properties podhd_properties_table[] = {
                .ep_audio_r = 0x82,
                .ep_audio_w = 0x01,
        },
-       [LINE6_PODHD500_0] = {
+       [LINE6_PODHD500] = {
                .id = "PODHD500",
                .name = "POD HD500",
-               .capabilities   = LINE6_CAP_PCM
+               .capabilities   = LINE6_CAP_PCM | LINE6_CAP_CONTROL
                                | LINE6_CAP_HWMON,
                .altsetting = 1,
-               .ep_ctrl_r = 0x81,
-               .ep_ctrl_w = 0x01,
-               .ep_audio_r = 0x86,
-               .ep_audio_w = 0x02,
-       },
-       [LINE6_PODHD500_1] = {
-               .id = "PODHD500",
-               .name = "POD HD500",
-               .capabilities   = LINE6_CAP_PCM
-                               | LINE6_CAP_HWMON,
-               .altsetting = 0,
+               .ctrl_if = 1,
                .ep_ctrl_r = 0x81,
                .ep_ctrl_w = 0x01,
                .ep_audio_r = 0x86,
index 351ba21..848a4cc 100644 (file)
@@ -1687,7 +1687,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 
        case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
        case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
-       case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
+       case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
        case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
        case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
        case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
index aefab0c..f598538 100644 (file)
@@ -10,10 +10,7 @@ if ! grep -q function_graph available_tracers; then
     exit_unsupported
 fi
 
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 do_reset() {
     if [ -e /proc/sys/kernel/stack_tracer_enabled ]; then
index c8a5209..d610f47 100644 (file)
@@ -9,6 +9,8 @@ if ! grep -q function_graph available_tracers; then
     exit_unsupported
 fi
 
+check_filter_file set_ftrace_filter
+
 fail() { # msg
     echo $1
     exit_fail
index f4e92af..28936f4 100644 (file)
@@ -9,6 +9,8 @@ if ! grep -q function available_tracers; then
     exit_unsupported
 fi
 
+check_filter_file set_ftrace_filter
+
 disable_tracing
 clear_trace
 
index 8aa46a2..71db68a 100644 (file)
@@ -15,10 +15,7 @@ if [ ! -f set_ftrace_notrace_pid ]; then
     exit_unsupported
 fi
 
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is function tracer not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 do_function_fork=1
 
index f2ee1e8..d58403c 100644 (file)
@@ -16,10 +16,7 @@ if [ ! -f set_ftrace_pid ]; then
     exit_unsupported
 fi
 
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is function tracer not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 do_function_fork=1
 
index 1a52f28..b2aff78 100644 (file)
@@ -3,7 +3,7 @@
 # description: ftrace - stacktrace filter command
 # flags: instance
 
-[ ! -f set_ftrace_filter ] && exit_unsupported
+check_filter_file set_ftrace_filter
 
 echo _do_fork:stacktrace >> set_ftrace_filter
 
index ca2ffd7..e9b1fd5 100644 (file)
 #
 
 # The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 do_reset() {
     reset_ftrace_filter
index 9330c87..1a4b4a4 100644 (file)
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function trace on module
 
-[ ! -f set_ftrace_filter ] && exit_unsupported
+check_filter_file set_ftrace_filter
 
 : "mod: allows to filter a non exist function"
 echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter
index dfbae63..a3dadb6 100644 (file)
@@ -18,10 +18,7 @@ if ! grep -q function_graph available_tracers; then
     exit_unsupported;
 fi
 
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 if [ ! -f function_profile_enabled ]; then
     echo "function_profile_enabled not found, function profiling enabled?"
index 51f6e61..70bad44 100644 (file)
 #
 
 # The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 fail() { # mesg
     echo $1
index b414f0e..51e9e80 100644 (file)
@@ -8,6 +8,8 @@ if [ ! -f stack_trace ]; then
   exit_unsupported
 fi
 
+check_filter_file stack_trace_filter
+
 echo > stack_trace_filter
 echo 0 > stack_max_size
 echo 1 > /proc/sys/kernel/stack_tracer_enabled
index 1947387..3ed173f 100644 (file)
 #
 
 # The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
-    exit_unsupported
-fi
+check_filter_file set_ftrace_filter
 
 fail() { # mesg
     echo $1
index 5d45505..61a3c7e 100644 (file)
@@ -1,3 +1,9 @@
+check_filter_file() { # check filter file introduced by dynamic ftrace
+    if [ ! -f "$1" ]; then
+        echo "$1 not found? Is dynamic ftrace not set?"
+        exit_unsupported
+    fi
+}
 
 clear_trace() { # reset trace output
     echo > trace
index 1bcb67d..81490ec 100644 (file)
@@ -38,7 +38,7 @@ for width in 64 32 16 8; do
   echo 0 > events/kprobes/testprobe/enable
 
   : "Confirm the arguments is recorded in given types correctly"
-  ARGS=`grep "testprobe" trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+  ARGS=`grep "testprobe" trace | head -n 1 | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
   check_types $ARGS $width
 
   : "Clear event for next loop"
index 7650a82..df50728 100644 (file)
@@ -5,6 +5,8 @@
 [ -f kprobe_events ] || exit_unsupported # this is configurable
 grep "function" available_tracers || exit_unsupported # this is configurable
 
+check_filter_file set_ftrace_filter
+
 # prepare
 echo nop > current_tracer
 echo _do_fork > set_ftrace_filter
index 0bb8061..32bdc97 100644 (file)
@@ -1,13 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
 
-MOUNT_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null)
-MOUNT_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null)
-ifeq ($(MOUNT_LDLIBS),)
-MOUNT_LDLIBS := -lmount -I/usr/include/libmount
+VAR_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null)
+VAR_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null)
+ifeq ($(VAR_LDLIBS),)
+VAR_LDLIBS := -lmount -I/usr/include/libmount
 endif
 
-CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(MOUNT_CFLAGS)
-LDLIBS += $(MOUNT_LDLIBS)
+CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(VAR_CFLAGS)
+LDLIBS += $(VAR_LDLIBS)
 
 TEST_PROGS := gpio-mockup.sh
 TEST_FILES := gpio-mockup-sysfs.sh
index 7340fd6..39f0fa2 100644 (file)
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
-LDLIBS := $(LDLIBS) -lm
+LDLIBS += -lm
 
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/tools/testing/selftests/kselftest_deps.sh b/tools/testing/selftests/kselftest_deps.sh
new file mode 100755 (executable)
index 0000000..bbc0464
--- /dev/null
@@ -0,0 +1,272 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# kselftest_deps.sh
+#
+# Checks for kselftest build dependencies on the build system.
+# Copyright (c) 2020 Shuah Khan <skhan@linuxfoundation.org>
+#
+#
+
+usage()
+{
+
+echo -e "Usage: $0 -[p] <compiler> [test_name]\n"
+echo -e "\tkselftest_deps.sh [-p] gcc"
+echo -e "\tkselftest_deps.sh [-p] gcc vm"
+echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc"
+echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc vm\n"
+echo "- Should be run in selftests directory in the kernel repo."
+echo "- Checks if Kselftests can be built/cross-built on a system."
+echo "- Parses all test/sub-test Makefile to find library dependencies."
+echo "- Runs compile test on a trivial C file with LDLIBS specified"
+echo "  in the test Makefiles to identify missing library dependencies."
+echo "- Prints suggested target list for a system filtering out tests"
+echo "  failed the build dependency check from the TARGETS in Selftests"
+echo "  main Makefile when optional -p is specified."
+echo "- Prints pass/fail dependency check for each tests/sub-test."
+echo "- Prints pass/fail targets and libraries."
+echo "- Default: runs dependency checks on all tests."
+echo "- Optional test name can be specified to check dependencies for it."
+exit 1
+
+}
+
+# Start main()
+main()
+{
+
+base_dir=`pwd`
+# Make sure we're in the selftests top-level directory.
+if [ $(basename "$base_dir") !=  "selftests" ]; then
+       echo -e "\tPlease run $0 in"
+       echo -e "\ttools/testing/selftests directory ..."
+       exit 1
+fi
+
+print_targets=0
+
+while getopts "p" arg; do
+    case $arg in
+        p)
+               print_targets=1
+       shift;;
+    esac
+done
+
+if [ $# -eq 0 ]
+then
+       usage
+fi
+
+# Compiler
+CC=$1
+
+tmp_file=$(mktemp).c
+trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
+#echo $tmp_file
+
+pass=$(mktemp).out
+trap "rm -f $pass" EXIT
+#echo $pass
+
+fail=$(mktemp).out
+trap "rm -f $fail" EXIT
+#echo $fail
+
+# Generate tmp source fire for compile test
+cat << "EOF" > $tmp_file
+int main()
+{
+}
+EOF
+
+# Save results
+total_cnt=0
+fail_trgts=()
+fail_libs=()
+fail_cnt=0
+pass_trgts=()
+pass_libs=()
+pass_cnt=0
+
+# Get all TARGETS from selftests Makefile
+targets=$(egrep "^TARGETS +|^TARGETS =" Makefile | cut -d "=" -f2)
+
+# Single test case
+if [ $# -eq 2 ]
+then
+       test=$2/Makefile
+
+       l1_test $test
+       l2_test $test
+       l3_test $test
+
+       print_results $1 $2
+       exit $?
+fi
+
+# Level 1: LDLIBS set static.
+#
+# Find all LDLIBS set statically for all executables built by a Makefile
+# and filter out VAR_LDLIBS to discard the following:
+#      gpio/Makefile:LDLIBS += $(VAR_LDLIBS)
+# Append space at the end of the list to append more tests.
+
+l1_tests=$(grep -r --include=Makefile "^LDLIBS" | \
+               grep -v "VAR_LDLIBS" | awk -F: '{print $1}')
+
+# Level 2: LDLIBS set dynamically.
+#
+# Level 2
+# Some tests have multiple valid LDLIBS lines for individual sub-tests
+# that need dependency checks. Find them and append them to the tests
+# e.g: vm/Makefile:$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
+# Filter out VAR_LDLIBS to discard the following:
+#      memfd/Makefile:$(OUTPUT)/fuse_mnt: LDLIBS += $(VAR_LDLIBS)
+# Append space at the end of the list to append more tests.
+
+l2_tests=$(grep -r --include=Makefile ": LDLIBS" | \
+               grep -v "VAR_LDLIBS" | awk -F: '{print $1}')
+
+# Level 3
+# gpio,  memfd and others use pkg-config to find mount and fuse libs
+# respectively and save it in VAR_LDLIBS. If pkg-config doesn't find
+# any, VAR_LDLIBS set to default.
+# Use the default value and filter out pkg-config for dependency check.
+# e.g:
+# gpio/Makefile
+#      VAR_LDLIBS := $(shell pkg-config --libs mount) 2>/dev/null)
+# memfd/Makefile
+#      VAR_LDLIBS := $(shell pkg-config fuse --libs 2>/dev/null)
+
+l3_tests=$(grep -r --include=Makefile "^VAR_LDLIBS" | \
+               grep -v "pkg-config" | awk -F: '{print $1}')
+
+#echo $l1_tests
+#echo $l2_1_tests
+#echo $l3_tests
+
+all_tests
+print_results $1 $2
+
+exit $?
+}
+# end main()
+
+all_tests()
+{
+       for test in $l1_tests; do
+               l1_test $test
+       done
+
+       for test in $l2_tests; do
+               l2_test $test
+       done
+
+       for test in $l3_tests; do
+               l3_test $test
+       done
+}
+
+# Use same parsing used for l1_tests and pick libraries this time.
+l1_test()
+{
+       test_libs=$(grep --include=Makefile "^LDLIBS" $test | \
+                       grep -v "VAR_LDLIBS" | \
+                       sed -e 's/\:/ /' | \
+                       sed -e 's/+/ /' | cut -d "=" -f 2)
+
+       check_libs $test $test_libs
+}
+
+# Use same parsing used for l2__tests and pick libraries this time.
+l2_test()
+{
+       test_libs=$(grep --include=Makefile ": LDLIBS" $test | \
+                       grep -v "VAR_LDLIBS" | \
+                       sed -e 's/\:/ /' | sed -e 's/+/ /' | \
+                       cut -d "=" -f 2)
+
+       check_libs $test $test_libs
+}
+
+l3_test()
+{
+       test_libs=$(grep --include=Makefile "^VAR_LDLIBS" $test | \
+                       grep -v "pkg-config" | sed -e 's/\:/ /' |
+                       sed -e 's/+/ /' | cut -d "=" -f 2)
+
+       check_libs $test $test_libs
+}
+
+check_libs()
+{
+
+if [[ ! -z "${test_libs// }" ]]
+then
+
+       #echo $test_libs
+
+       for lib in $test_libs; do
+
+       let total_cnt+=1
+       $CC -o $tmp_file.bin $lib $tmp_file > /dev/null 2>&1
+       if [ $? -ne 0 ]; then
+               echo "FAIL: $test dependency check: $lib" >> $fail
+               let fail_cnt+=1
+               fail_libs+="$lib "
+               fail_target=$(echo "$test" | cut -d "/" -f1)
+               fail_trgts+="$fail_target "
+               targets=$(echo "$targets" | grep -v "$fail_target")
+       else
+               echo "PASS: $test dependency check passed $lib" >> $pass
+               let pass_cnt+=1
+               pass_libs+="$lib "
+               pass_trgts+="$(echo "$test" | cut -d "/" -f1) "
+       fi
+
+       done
+fi
+}
+
+print_results()
+{
+       echo -e "========================================================";
+       echo -e "Kselftest Dependency Check for [$0 $1 $2] results..."
+
+       if [ $print_targets -ne 0 ]
+       then
+       echo -e "Suggested Selftest Targets for your configuration:"
+       echo -e "$targets";
+       fi
+
+       echo -e "========================================================";
+       echo -e "Checked tests defining LDLIBS dependencies"
+       echo -e "--------------------------------------------------------";
+       echo -e "Total tests with Dependencies:"
+       echo -e "$total_cnt Pass: $pass_cnt Fail: $fail_cnt";
+
+       if [ $pass_cnt -ne 0 ]; then
+       echo -e "--------------------------------------------------------";
+       cat $pass
+       echo -e "--------------------------------------------------------";
+       echo -e "Targets passed build dependency check on system:"
+       echo -e "$(echo "$pass_trgts" | xargs -n1 | sort -u | xargs)"
+       fi
+
+       if [ $fail_cnt -ne 0 ]; then
+       echo -e "--------------------------------------------------------";
+       cat $fail
+       echo -e "--------------------------------------------------------";
+       echo -e "Targets failed build dependency check on system:"
+       echo -e "$(echo "$fail_trgts" | xargs -n1 | sort -u | xargs)"
+       echo -e "--------------------------------------------------------";
+       echo -e "Missing libraries system"
+       echo -e "$(echo "$fail_libs" | xargs -n1 | sort -u | xargs)"
+       fi
+
+       echo -e "--------------------------------------------------------";
+       echo -e "========================================================";
+}
+
+main "$@"
index 187b14c..4da8b56 100644 (file)
@@ -8,11 +8,21 @@ TEST_GEN_PROGS := memfd_test
 TEST_PROGS := run_fuse_test.sh run_hugetlbfs_test.sh
 TEST_GEN_FILES := fuse_test fuse_mnt
 
-fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags)
+VAR_CFLAGS := $(shell pkg-config fuse --cflags 2>/dev/null)
+ifeq ($(VAR_CFLAGS),)
+VAR_CFLAGS := -D_FILE_OFFSET_BITS=64 -I/usr/include/fuse
+endif
+
+VAR_LDLIBS := $(shell pkg-config fuse --libs 2>/dev/null)
+ifeq ($(VAR_LDLIBS),)
+VAR_LDLIBS := -lfuse -pthread
+endif
+
+fuse_mnt.o: CFLAGS += $(VAR_CFLAGS)
 
 include ../lib.mk
 
-$(OUTPUT)/fuse_mnt: LDLIBS += $(shell pkg-config fuse --libs)
+$(OUTPUT)/fuse_mnt: LDLIBS += $(VAR_LDLIBS)
 
 $(OUTPUT)/memfd_test: memfd_test.c common.c
 $(OUTPUT)/fuse_test: fuse_test.c common.c