F: drivers/net/ethernet/alteon/acenic*
ACER ASPIRE ONE TEMPERATURE AND FAN DRIVER
-M: Peter Feuerer <peter@piie.net>
+M: Peter Kaestle <peter@piie.net>
L: platform-driver-x86@vger.kernel.org
W: http://piie.net/?section=acerhdf
S: Maintained
FORCEDETH GIGABIT ETHERNET DRIVER
M: Rain River <rain.1986.08.12@gmail.com>
-M: Zhu Yanjun <yanjun.zhu@oracle.com>
+M: Zhu Yanjun <zyjzyj2000@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/nvidia/*
F: Documentation/devicetree/bindings/opp/sun50i-nvmem-cpufreq.txt
F: drivers/cpufreq/sun50i-cpufreq-nvmem.c
-ALLWINNER SECURITY SYSTEM
+ALLWINNER CRYPTO DRIVERS
M: Corentin Labbe <clabbe.montjoie@gmail.com>
L: linux-crypto@vger.kernel.org
S: Maintained
-F: drivers/crypto/sunxi-ss/
+F: drivers/crypto/allwinner/
ALLWINNER VPU DRIVER
M: Maxime Ripard <mripard@kernel.org>
F: drivers/iio/adc/ad7124.c
F: Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
+ANALOG DEVICES INC AD7292 DRIVER
+M: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
+L: linux-iio@vger.kernel.org
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/iio/adc/ad7292.c
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
+
ANALOG DEVICES INC AD7606 DRIVER
M: Stefan Popa <stefan.popa@analog.com>
M: Beniamin Bia <beniamin.bia@analog.com>
ANALOG DEVICES INC ASOC CODEC DRIVERS
M: Lars-Peter Clausen <lars@metafoo.de>
+M: Nuno Sá <nuno.sa@analog.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://wiki.analog.com/
W: http://ez.analog.com/community/linux-device-drivers
F: include/linux/clk/analogbits*
ANDES ARCHITECTURE
+M: Nick Hu <nickhu@andestech.com>
M: Greentime Hu <green.hu@gmail.com>
M: Vincent Chen <deanbo422@gmail.com>
T: git https://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux.git
F: drivers/media/i2c/aptina-pll.*
AQUANTIA ETHERNET DRIVER (atlantic)
-M: Igor Russkikh <igor.russkikh@aquantia.com>
+M: Igor Russkikh <irusskikh@marvell.com>
L: netdev@vger.kernel.org
S: Supported
-W: http://www.aquantia.com
+W: https://www.marvell.com/
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/aquantia/atlantic/
F: Documentation/networking/device_drivers/aquantia/atlantic.txt
+AQUANTIA ETHERNET DRIVER PTP SUBSYSTEM
+M: Egor Pomozov <epomozov@marvell.com>
+L: netdev@vger.kernel.org
+S: Supported
+W: http://www.aquantia.com
+F: drivers/net/ethernet/aquantia/atlantic/aq_ptp*
+
ARC FRAMEBUFFER DRIVER
M: Jaya Kumar <jayalk@intworks.biz>
S: Maintained
ARM KOMEDA DRM-KMS DRIVER
M: James (Qian) Wang <james.qian.wang@arm.com>
M: Liviu Dudau <liviu.dudau@arm.com>
+M: Mihail Atanassov <mihail.atanassov@arm.com>
L: Mali DP Maintainers <malidp@foss.arm.com>
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
ARM MALI PANFROST DRM DRIVER
M: Rob Herring <robh@kernel.org>
M: Tomeu Vizoso <tomeu.vizoso@collabora.com>
+R: Steven Price <steven.price@arm.com>
+R: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
L: dri-devel@lists.freedesktop.org
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/clocksource/timer-owl*
F: drivers/dma/owl-dma.c
F: drivers/i2c/busses/i2c-owl.c
+F: drivers/mmc/host/owl-mmc.c
F: drivers/pinctrl/actions/*
F: drivers/soc/actions/
F: include/dt-bindings/power/owl-*
F: Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
F: Documentation/devicetree/bindings/dma/owl-dma.txt
F: Documentation/devicetree/bindings/i2c/i2c-owl.txt
+F: Documentation/devicetree/bindings/mmc/owl-mmc.yaml
F: Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
F: Documentation/devicetree/bindings/power/actions,owl-sps.txt
F: Documentation/devicetree/bindings/timer/actions,owl-timer.txt
F: drivers/rtc/rtc-meson*
N: meson
+ARM/Amlogic Meson SoC Crypto Drivers
+M: Corentin Labbe <clabbe@baylibre.com>
+L: linux-crypto@vger.kernel.org
+L: linux-amlogic@lists.infradead.org
+S: Maintained
+F: drivers/crypto/amlogic/
+F: Documentation/devicetree/bindings/crypto/amlogic*
+
ARM/Amlogic Meson SoC Sound Drivers
M: Jerome Brunet <jbrunet@baylibre.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm64/boot/dts/bitmain/
+F: drivers/clk/clk-bm1880.c
F: drivers/pinctrl/pinctrl-bm1880.c
F: Documentation/devicetree/bindings/arm/bitmain.yaml
+F: Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml
F: Documentation/devicetree/bindings/pinctrl/bitmain,bm1880-pinctrl.txt
ARM/CALXEDA HIGHBANK ARCHITECTURE
F: drivers/hwspinlock/u8500_hsem.c
F: drivers/i2c/busses/i2c-nomadik.c
F: drivers/i2c/busses/i2c-stu300.c
+F: drivers/iio/adc/ab8500-gpadc.c
F: drivers/mfd/ab3100*
F: drivers/mfd/ab8500*
F: drivers/mfd/abx500*
S: Maintained
F: arch/arm/boot/dts/rda8810pl-*
F: drivers/clocksource/timer-rda.c
+F: drivers/gpio/gpio-rda.c
F: drivers/irqchip/irq-rda-intc.c
F: drivers/tty/serial/rda-uart.c
F: Documentation/devicetree/bindings/arm/rda.yaml
+F: Documentation/devicetree/bindings/gpio/gpio-rda.yaml
F: Documentation/devicetree/bindings/interrupt-controller/rda,8810pl-intc.txt
F: Documentation/devicetree/bindings/serial/rda,8810pl-uart.txt
F: Documentation/devicetree/bindings/timer/rda,8810pl-timer.txt
F: Documentation/devicetree/bindings/arm/realtek.yaml
ARM/RENESAS ARM64 ARCHITECTURE
-M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
F: include/linux/soc/samsung/
F: Documentation/arm/samsung/
F: Documentation/devicetree/bindings/arm/samsung/
- F: Documentation/devicetree/bindings/sram/samsung-sram.txt
- F: Documentation/devicetree/bindings/power/pd-samsung.txt
+ F: Documentation/devicetree/bindings/power/pd-samsung.yaml
N: exynos
ARM/SAMSUNG MOBILE MACHINE SUPPORT
F: drivers/media/platform/s5p-mfc/
ARM/SHMOBILE ARM ARCHITECTURE
-M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm/boot/dts/emev2*
ARM/SPREADTRUM SoC SUPPORT
M: Orson Zhai <orsonzhai@gmail.com>
-M: Baolin Wang <baolin.wang@linaro.org>
+M: Baolin Wang <baolin.wang7@gmail.com>
M: Chunyan Zhang <zhang.lyra@gmail.com>
S: Maintained
F: arch/arm64/boot/dts/sprd
N: sprd
+N: sc27xx
+N: sc2731
ARM/STI ARCHITECTURE
M: Patrice Chotard <patrice.chotard@st.com>
F: drivers/tty/serial/8250/8250_uniphier.c
N: uniphier
-ARM/Ux500 CLOCK FRAMEWORK SUPPORT
+Ux500 CLOCK DRIVERS
M: Ulf Hansson <ulf.hansson@linaro.org>
+L: linux-clk@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-T: git git://git.linaro.org/people/ulfh/clk.git
S: Maintained
F: drivers/clk/ux500/
F: arch/arm64/
X: arch/arm64/boot/dts/
F: Documentation/arm64/
+F: tools/testing/selftests/arm64/
AS3645A LED FLASH CONTROLLER DRIVER
M: Sakari Ailus <sakari.ailus@iki.fi>
L: linux-i2c@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
S: Maintained
- F: Documentation/devicetree/bindings/eeprom/at24.txt
+ F: Documentation/devicetree/bindings/eeprom/at24.yaml
F: drivers/misc/eeprom/at24.c
ATA OVER ETHERNET (AOE) DRIVER
M: Peter Rosin <peda@axentia.se>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
- F: Documentation/devicetree/bindings/arm/axentia.txt
F: arch/arm/boot/dts/at91-linea.dtsi
F: arch/arm/boot/dts/at91-natte.dtsi
F: arch/arm/boot/dts/at91-nattis-2-natte-2.dts
R: Martin KaFai Lau <kafai@fb.com>
R: Song Liu <songliubraving@fb.com>
R: Yonghong Song <yhs@fb.com>
+R: Andrii Nakryiko <andriin@fb.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
F: arch/arm64/net/
BPF JIT for MIPS (32-BIT AND 64-BIT)
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
S: Maintained
N: kona
F: arch/arm/mach-bcm/
-BROADCOM BCM2835 ARM ARCHITECTURE
+BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
M: Eric Anholt <eric@anholt.net>
M: Stefan Wahren <wahrenst@gmx.net>
L: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/anholt/linux
S: Maintained
+N: bcm2711
N: bcm2835
F: drivers/staging/vc04_services
F: drivers/usb/gadget/udc/bcm63xx_udc.*
BROADCOM BCM7XXX ARM ARCHITECTURE
-M: Brian Norris <computersforpeace@gmail.com>
-M: Gregory Fong <gregory.0xf0@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: drivers/cpufreq/bmips-cpufreq.c
BROADCOM BMIPS MIPS ARCHITECTURE
-M: Kevin Cernekee <cernekee@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
L: bcm-kernel-feedback-list@broadcom.com
L: linux-mips@vger.kernel.org
M: Chanwoo Choi <cw00.choi@samsung.com>
L: linux-pm@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git
S: Maintained
F: drivers/devfreq/exynos-bus.c
F: Documentation/devicetree/bindings/devfreq/exynos-bus.txt
F: Documentation/devicetree/bindings/media/cdns,*.txt
F: drivers/media/platform/cadence/cdns-csi2*
+CADENCE NAND DRIVER
+M: Piotr Sroka <piotrs@cadence.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/nand/raw/cadence-nand-controller.c
+F: Documentation/devicetree/bindings/mtd/cadence-nand-controller.txt
+
CADET FM/AM RADIO RECEIVER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
S: Maintained
F: net/sched/sch_cake.c
-CALGARY x86-64 IOMMU
-M: Muli Ben-Yehuda <mulix@mulix.org>
-M: Jon Mason <jdmason@kudzu.us>
-L: iommu@lists.linux-foundation.org
-S: Maintained
-F: arch/x86/kernel/pci-calgary_64.c
-F: arch/x86/kernel/tce_64.c
-F: arch/x86/include/asm/calgary.h
-F: arch/x86/include/asm/tce.h
-
CAN NETWORK DRIVERS
M: Wolfgang Grandegger <wg@grandegger.com>
M: Marc Kleine-Budde <mkl@pengutronix.de>
CAVIUM THUNDERX2 ARM64 SOC
M: Robert Richter <rrichter@cavium.com>
-M: Jayachandran C <jnair@caviumnetworks.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm64/boot/dts/cavium/thunder2-99xx*
F: include/linux/sched/cpufreq.h
F: tools/testing/selftests/cpufreq/
-CPU FREQUENCY DRIVERS - ARM BIG LITTLE
+CPU FREQUENCY DRIVERS - VEXPRESS SPC ARM BIG LITTLE
M: Viresh Kumar <viresh.kumar@linaro.org>
M: Sudeep Holla <sudeep.holla@arm.com>
L: linux-pm@vger.kernel.org
W: http://www.arm.com/products/processors/technologies/biglittleprocessing.php
S: Maintained
-F: drivers/cpufreq/arm_big_little.h
-F: drivers/cpufreq/arm_big_little.c
+F: drivers/cpufreq/vexpress-spc-cpufreq.c
CPU POWER MONITORING SUBSYSTEM
M: Thomas Renninger <trenn@suse.com>
S: Supported
F: drivers/scsi/cxgbi/cxgb3i
-CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
-M: Potnuri Bharat Teja <bharat@chelsio.com>
-L: linux-rdma@vger.kernel.org
-W: http://www.openfabrics.org
-S: Supported
-F: drivers/infiniband/hw/cxgb3/
-F: include/uapi/rdma/cxgb3-abi.h
-
CXGB4 CRYPTO DRIVER (chcr)
M: Atul Gupta <atul.gupta@chelsio.com>
L: linux-crypto@vger.kernel.org
S: Maintained
F: drivers/net/fddi/defxx.*
+DEINTERLACE DRIVERS FOR ALLWINNER H3
+M: Jernej Skrabec <jernej.skrabec@siol.net>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/platform/sunxi/sun8i-di/
+F: Documentation/devicetree/bindings/media/allwinner,sun8i-h3-deinterlace.yaml
+
DELL SMBIOS DRIVER
M: Pali Rohár <pali.rohar@gmail.com>
M: Mario Limonciello <mario.limonciello@dell.com>
DEVICE FREQUENCY (DEVFREQ)
M: MyungJoo Ham <myungjoo.ham@samsung.com>
M: Kyungmin Park <kyungmin.park@samsung.com>
-R: Chanwoo Choi <cw00.choi@samsung.com>
+M: Chanwoo Choi <cw00.choi@samsung.com>
L: linux-pm@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git
S: Maintained
F: drivers/devfreq/
F: include/linux/devfreq.h
DEVICE FREQUENCY EVENT (DEVFREQ-EVENT)
M: Chanwoo Choi <cw00.choi@samsung.com>
L: linux-pm@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git
S: Supported
F: drivers/devfreq/event/
F: drivers/devfreq/devfreq-event.c
+F: include/dt-bindings/pmu/exynos_ppmu.h
F: include/linux/devfreq-event.h
F: Documentation/devicetree/bindings/devfreq/event/
DEVICE DIRECT ACCESS (DAX)
M: Dan Williams <dan.j.williams@intel.com>
M: Vishal Verma <vishal.l.verma@intel.com>
-M: Keith Busch <keith.busch@intel.com>
M: Dave Jiang <dave.jiang@intel.com>
L: linux-nvdimm@lists.01.org
S: Supported
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/freescale/dpaa2/dpaa2-eth*
+F: drivers/net/ethernet/freescale/dpaa2/dpaa2-mac*
F: drivers/net/ethernet/freescale/dpaa2/dpni*
+F: drivers/net/ethernet/freescale/dpaa2/dpmac*
F: drivers/net/ethernet/freescale/dpaa2/dpkg.h
F: drivers/net/ethernet/freescale/dpaa2/Makefile
F: drivers/net/ethernet/freescale/dpaa2/Kconfig
+F: Documentation/networking/device_drivers/freescale/dpaa2/ethernet-driver.rst
+F: Documentation/networking/device_drivers/freescale/dpaa2/mac-phy-support.rst
DPAA2 ETHERNET SWITCH DRIVER
M: Ioana Radulescu <ruxandra.radulescu@nxp.com>
DRM DRIVERS FOR ALLWINNER A10
M: Maxime Ripard <mripard@kernel.org>
+M: Chen-Yu Tsai <wens@csie.org>
L: dri-devel@lists.freedesktop.org
S: Supported
F: drivers/gpu/drm/sun4i/
F: Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
T: git git://anongit.freedesktop.org/drm/drm-misc
+DRM DRIVER FOR ALLWINNER DE2 AND DE3 ENGINE
+M: Maxime Ripard <mripard@kernel.org>
+M: Chen-Yu Tsai <wens@csie.org>
+R: Jernej Skrabec <jernej.skrabec@siol.net>
+L: dri-devel@lists.freedesktop.org
+S: Supported
+F: drivers/gpu/drm/sun4i/sun8i*
+T: git git://anongit.freedesktop.org/drm/drm-misc
+
DRM DRIVERS FOR AMLOGIC SOCS
M: Neil Armstrong <narmstrong@baylibre.com>
L: dri-devel@lists.freedesktop.org
EFI TEST DRIVER
L: linux-efi@vger.kernel.org
M: Ivan Hu <ivan.hu@canonical.com>
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+M: Ard Biesheuvel <ardb@kernel.org>
S: Maintained
F: drivers/firmware/efi/test/
EFI VARIABLE FILESYSTEM
M: Matthew Garrett <matthew.garrett@nebula.com>
M: Jeremy Kerr <jk@ozlabs.org>
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+M: Ard Biesheuvel <ardb@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
L: linux-efi@vger.kernel.org
S: Maintained
M: Chao Yu <yuchao0@huawei.com>
L: linux-erofs@lists.ozlabs.org
S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
+F: Documentation/filesystems/erofs.txt
F: fs/erofs/
+F: include/trace/events/erofs.h
ERRSEQ ERROR TRACKING INFRASTRUCTURE
M: Jeff Layton <jlayton@kernel.org>
F: Documentation/ABI/testing/sysfs-class-net-phydev
F: Documentation/devicetree/bindings/net/ethernet-phy.yaml
F: Documentation/devicetree/bindings/net/mdio*
+F: Documentation/devicetree/bindings/net/qca,ar803x.yaml
F: Documentation/networking/phy.rst
F: drivers/net/phy/
F: drivers/of/of_mdio.c
F: drivers/of/of_net.c
+F: include/dt-bindings/net/qca-ar803x.h
F: include/linux/*mdio*.h
F: include/linux/of_net.h
F: include/linux/phy.h
EXFAT FILE SYSTEM
M: Valdis Kletnieks <valdis.kletnieks@vt.edu>
+L: linux-fsdevel@vger.kernel.org
S: Maintained
F: drivers/staging/exfat/
F: security/integrity/evm/
EXTENSIBLE FIRMWARE INTERFACE (EFI)
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+M: Ard Biesheuvel <ardb@kernel.org>
L: linux-efi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
S: Maintained
M: Jan Kara <jack@suse.cz>
R: Amir Goldstein <amir73il@gmail.com>
L: linux-fsdevel@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify
S: Maintained
F: fs/notify/
F: include/linux/fsnotify*.h
S: Supported
F: drivers/base/power/domain*.c
F: include/linux/pm_domain.h
- F: Documentation/devicetree/bindings/power/power_domain.txt
+ F: Documentation/devicetree/bindings/power/power?domain*
GENERIC RESISTIVE TOUCHSCREEN ADC DRIVER
M: Eugen Hristev <eugen.hristev@microchip.com>
M: Bjorn Andersson <bjorn.andersson@linaro.org>
L: linux-remoteproc@vger.kernel.org
S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc.git hwspinlock-next
F: Documentation/devicetree/bindings/hwlock/
F: Documentation/hwspinlock.txt
F: drivers/hwspinlock/
F: net/802/hippi.c
F: drivers/net/hippi/
+HISILICON SECURITY ENGINE V2 DRIVER (SEC2)
+M: Zaibo Xu <xuzaibo@huawei.com>
+L: linux-crypto@vger.kernel.org
+S: Maintained
+F: drivers/crypto/hisilicon/sec2/sec_crypto.c
+F: drivers/crypto/hisilicon/sec2/sec_main.c
+F: drivers/crypto/hisilicon/sec2/sec_crypto.h
+F: drivers/crypto/hisilicon/sec2/sec.h
+F: Documentation/ABI/testing/debugfs-hisi-sec
+
+HISILICON HIGH PERFORMANCE RSA ENGINE DRIVER (HPRE)
+M: Zaibo Xu <xuzaibo@huawei.com>
+L: linux-crypto@vger.kernel.org
+S: Maintained
+F: drivers/crypto/hisilicon/hpre/hpre_crypto.c
+F: drivers/crypto/hisilicon/hpre/hpre_main.c
+F: drivers/crypto/hisilicon/hpre/hpre.h
+F: Documentation/ABI/testing/debugfs-hisi-hpre
+
HISILICON NETWORK SUBSYSTEM 3 DRIVER (HNS3)
M: Yisen Zhuang <yisen.zhuang@huawei.com>
M: Salil Mehta <salil.mehta@huawei.com>
S: Maintained
F: drivers/net/ethernet/hisilicon/hns3/
+HISILICON TRUE RANDOM NUMBER GENERATOR V2 SUPPORT
+M: Zaibo Xu <xuzaibo@huawei.com>
+S: Maintained
+F: drivers/char/hw_random/hisi-trng-v2.c
+
HISILICON LPC BUS DRIVER
M: john.garry@huawei.com
W: http://www.hisilicon.com
F: drivers/crypto/hisilicon/qm.c
F: drivers/crypto/hisilicon/qm.h
F: drivers/crypto/hisilicon/sgl.c
-F: drivers/crypto/hisilicon/sgl.h
F: drivers/crypto/hisilicon/zip/
F: Documentation/ABI/testing/debugfs-hisi-zip
HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series
M: Jaroslav Kysela <perex@perex.cz>
-S: Maintained
-F: drivers/net/ethernet/hp/hp100.*
+S: Obsolete
+F: drivers/staging/hp/hp100.*
HPET: High Precision Event Timers driver
M: Clemens Ladisch <clemens@ladisch.de>
S: Maintained
F: arch/x86/kernel/cpu/hygon.c
+HYNIX HI556 SENSOR DRIVER
+M: Shawn Tu <shawnx.tu@intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/hi556.c
+
Hyper-V CORE AND DRIVERS
M: "K. Y. Srinivasan" <kys@microsoft.com>
M: Haiyang Zhang <haiyangz@microsoft.com>
F: include/asm-generic/mshyperv.h
F: tools/hv/
F: Documentation/ABI/stable/sysfs-bus-vmbus
+F: Documentation/ABI/testing/debugfs-hyperv
HYPERBUS SUPPORT
M: Vignesh Raghavendra <vigneshr@ti.com>
I3C SUBSYSTEM
M: Boris Brezillon <bbrezillon@kernel.org>
-L: linux-i3c@lists.infradead.org
+L: linux-i3c@lists.infradead.org (moderated for non-subscribers)
C: irc://chat.freenode.net/linux-i3c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux.git
S: Maintained
F: Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt
F: drivers/i3c/master/dw*
+I3C DRIVER FOR CADENCE I3C MASTER IP
+M: Przemysław Gaj <pgaj@cadence.com>
+S: Maintained
+F: Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
+F: drivers/i3c/master/i3c-master-cdns.c
+
IA64 (Itanium) PLATFORM
M: Tony Luck <tony.luck@intel.com>
M: Fenghua Yu <fenghua.yu@intel.com>
F: drivers/usb/atm/ueagle-atm.c
IMGTEC ASCII LCD DRIVER
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F: drivers/auxdisplay/img-ascii-lcd.c
F: drivers/video/fbdev/intelfb/
INTEL GPIO DRIVERS
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+M: Andy Shevchenko <andy@kernel.org>
L: linux-gpio@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
INTEL IOMMU (VT-d)
M: David Woodhouse <dwmw2@infradead.org>
+M: Lu Baolu <baolu.lu@linux.intel.com>
L: iommu@lists.linux-foundation.org
-T: git git://git.infradead.org/iommu-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S: Supported
-F: drivers/iommu/intel-iommu.c
+F: drivers/iommu/dmar.c
+F: drivers/iommu/intel*.[ch]
F: include/linux/intel-iommu.h
+F: include/linux/intel-svm.h
INTEL IOP-ADMA DMA DRIVER
R: Dan Williams <dan.j.williams@intel.com>
F: drivers/staging/media/ipu3/
F: Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst
F: Documentation/media/v4l-drivers/ipu3.rst
+F: Documentation/media/v4l-drivers/ipu3_rcb.svg
INTEL IXP4XX QMGR, NPE, ETHERNET and HSS SUPPORT
M: Krzysztof Halasa <khalasa@piap.pl>
F: arch/x86/include/asm/intel_punit_ipc.h
INTEL PMIC GPIO DRIVERS
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+M: Andy Shevchenko <andy@kernel.org>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F: drivers/gpio/gpio-*cove.c
IO_URING
M: Jens Axboe <axboe@kernel.dk>
-L: linux-block@vger.kernel.org
-L: linux-fsdevel@vger.kernel.org
+L: io-uring@vger.kernel.org
T: git git://git.kernel.dk/linux-block
T: git git://git.kernel.dk/liburing
S: Maintained
F: fs/io_uring.c
+F: fs/io-wq.c
+F: fs/io-wq.h
F: include/uapi/linux/io_uring.h
IPMI SUBSYSTEM
F: tools/testing/selftests/
F: Documentation/dev-tools/kselftest*
+KERNEL UNIT TESTING FRAMEWORK (KUnit)
+M: Brendan Higgins <brendanhiggins@google.com>
+L: linux-kselftest@vger.kernel.org
+L: kunit-dev@googlegroups.com
+W: https://google.github.io/kunit-docs/third_party/kernel/docs/
+S: Maintained
+F: Documentation/dev-tools/kunit/
+F: include/kunit/
+F: lib/kunit/
+F: tools/testing/kunit/
+
KERNEL USERMODE HELPER
M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-kernel@vger.kernel.org
KGDB / KDB /debug_core
M: Jason Wessel <jason.wessel@windriver.com>
M: Daniel Thompson <daniel.thompson@linaro.org>
+R: Douglas Anderson <dianders@chromium.org>
W: http://kgdb.wiki.kernel.org/
L: kgdb-bugreport@lists.sourceforge.net
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb.git
F: include/linux/ks0108.h
L3MDEV
-M: David Ahern <dsa@cumulusnetworks.com>
+M: David Ahern <dsahern@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
F: net/l3mdev
R: Dan Murphy <dmurphy@ti.com>
L: linux-leds@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git
S: Maintained
F: Documentation/devicetree/bindings/leds/
F: drivers/leds/
M: Dan Williams <dan.j.williams@intel.com>
M: Vishal Verma <vishal.l.verma@intel.com>
M: Dave Jiang <dave.jiang@intel.com>
-M: Keith Busch <keith.busch@intel.com>
M: Ira Weiny <ira.weiny@intel.com>
L: linux-nvdimm@lists.01.org
Q: https://patchwork.kernel.org/project/linux-nvdimm/list/
F: drivers/misc/lis3lv02d/
F: drivers/platform/x86/hp_accel.c
+LIST KUNIT TEST
+M: David Gow <davidgow@google.com>
+L: linux-kselftest@vger.kernel.org
+L: kunit-dev@googlegroups.com
+S: Maintained
+F: lib/list-test.c
+
LIVE PATCHING
M: Josh Poimboeuf <jpoimboe@redhat.com>
M: Jiri Kosina <jikos@kernel.org>
F: Documentation/admin-guide/ldm.rst
F: block/partitions/ldm.*
+LOGITECH HID GAMING KEYBOARDS
+M: Hans de Goede <hdegoede@redhat.com>
+L: linux-input@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
+S: Maintained
+F: drivers/hid/hid-lg-g15.c
+
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
M: Sathya Prakash <sathya.prakash@broadcom.com>
M: Chaitra P B <chaitra.basappa@broadcom.com>
M: Marcus Folkesson <marcus.folkesson@gmail.com>
L: linux-iio@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/iio/dac/ltc1660.txt
+F: Documentation/devicetree/bindings/iio/dac/lltc,ltc1660.yaml
F: drivers/iio/dac/ltc1660.c
+LTC2983 IIO TEMPERATURE DRIVER
+M: Nuno Sá <nuno.sa@analog.com>
+W: http://ez.analog.com/community/linux-device-drivers
+L: linux-iio@vger.kernel.org
+S: Supported
+F: drivers/iio/temperature/ltc2983.c
+F: Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
+
LTC4261 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@roeck-us.net>
L: linux-hwmon@vger.kernel.org
F: Documentation/hwmon/ltc4261.rst
F: drivers/hwmon/ltc4261.c
+LTC2947 HARDWARE MONITOR DRIVER
+M: Nuno Sá <nuno.sa@analog.com>
+W: http://ez.analog.com/community/linux-device-drivers
+L: linux-hwmon@vger.kernel.org
+S: Supported
+F: drivers/hwmon/ltc2947-core.c
+F: drivers/hwmon/ltc2947-spi.c
+F: drivers/hwmon/ltc2947-i2c.c
+F: drivers/hwmon/ltc2947.h
+F: Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
+
LTC4306 I2C MULTIPLEXER DRIVER
M: Michael Hennerich <michael.hennerich@analog.com>
W: http://ez.analog.com/community/linux-device-drivers
F: drivers/net/dsa/mv88e6xxx/
F: include/linux/platform_data/mv88e6xxx.h
F: Documentation/devicetree/bindings/net/dsa/marvell.txt
+F: Documentation/networking/devlink-params-mv88e6xxx.txt
MARVELL ARMADA DRM SUPPORT
M: Russell King <linux@armlinux.org.uk>
F: drivers/hwmon/max16065.c
MAX2175 SDR TUNER DRIVER
-M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
+M: Ramesh Shanmugasundaram <rashanmu@gmail.com>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
M: Bartosz Golaszewski <bgolaszewski@baylibre.com>
L: linux-kernel@vger.kernel.org
S: Maintained
- F: Documentation/devicetree/bindings/*/*max77650.txt
- F: Documentation/devicetree/bindings/*/max77650*.txt
+ F: Documentation/devicetree/bindings/*/*max77650.yaml
+ F: Documentation/devicetree/bindings/*/max77650*.yaml
F: include/linux/mfd/max77650.h
F: drivers/mfd/max77650.c
F: drivers/regulator/max77650-regulator.c
F: include/media/drv-intf/renesas-ceu.h
MEDIA DRIVERS FOR RENESAS - DRIF
-M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
+M: Ramesh Shanmugasundaram <rashanmu@gmail.com>
L: linux-media@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
M: Felix Fietkau <nbd@openwrt.org>
M: John Crispin <john@phrozen.org>
M: Sean Wang <sean.wang@mediatek.com>
-M: Nelson Chang <nelson.chang@mediatek.com>
+M: Mark Lee <Mark-MC.Lee@mediatek.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/mediatek/
F: drivers/net/dsa/mt7530.*
F: net/dsa/tag_mtk.c
+MEDIATEK BOARD LEVEL SHUTDOWN DRIVERS
+M: Sean Wang <sean.wang@mediatek.com>
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
+F: drivers/power/reset/mt6323-poweroff.c
+
MEDIATEK JPEG DRIVER
M: Rick Chang <rick.chang@mediatek.com>
M: Bin Liu <bin.liu@mediatek.com>
M: Vadim Pasternak <vadimp@mellanox.com>
L: platform-driver-x86@vger.kernel.org
S: Supported
+F: Documentation/ABI/testing/sysfs-platform-mellanox-bootctl
F: drivers/platform/mellanox/
F: include/linux/platform_data/mlxreg.h
F: Documentation/core-api/boot-time-mm.rst
MEMORY MANAGEMENT
+M: Andrew Morton <akpm@linux-foundation.org>
L: linux-mm@kvack.org
W: http://www.linux-mm.org
+T: quilt https://ozlabs.org/~akpm/mmotm/
+T: quilt https://ozlabs.org/~akpm/mmots/
+T: git git://github.com/hnaz/linux-mm.git
S: Maintained
F: include/linux/mm.h
F: include/linux/gfp.h
F: mm/
MEMORY TECHNOLOGY DEVICES (MTD)
-M: David Woodhouse <dwmw2@infradead.org>
-M: Brian Norris <computersforpeace@gmail.com>
-M: Marek Vasut <marek.vasut@gmail.com>
M: Miquel Raynal <miquel.raynal@bootlin.com>
M: Richard Weinberger <richard@nod.at>
M: Vignesh Raghavendra <vigneshr@ti.com>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
+C: irc://irc.oftc.net/mtd
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next
S: Maintained
S: Supported
F: drivers/media/platform/meson/ao-cec.c
F: drivers/media/platform/meson/ao-cec-g12a.c
-F: Documentation/devicetree/bindings/media/meson-ao-cec.txt
+F: Documentation/devicetree/bindings/media/amlogic,meson-gx-ao-cec.yaml
T: git git://linuxtv.org/media_tree.git
MESON NAND CONTROLLER DRIVER FOR AMLOGIC SOCS
L: linux-iio@vger.kernel.org
S: Supported
F: drivers/iio/adc/mcp3911.c
-F: Documentation/devicetree/bindings/iio/adc/mcp3911.txt
+F: Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
MICROCHIP NAND DRIVER
M: Tudor Ambarus <tudor.ambarus@microchip.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/mscc/
+F: include/soc/mscc/ocelot*
MICROSOFT SURFACE PRO 3 BUTTON DRIVER
M: Chen Yu <yu.c.chen@intel.com>
MIPS
M: Ralf Baechle <ralf@linux-mips.org>
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
M: James Hogan <jhogan@kernel.org>
L: linux-mips@vger.kernel.org
W: http://www.linux-mips.org/
F: drivers/platform/mips/
MIPS BOSTON DEVELOPMENT BOARD
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: linux-mips@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
F: include/dt-bindings/clock/boston-clock.h
MIPS GENERIC PLATFORM
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: linux-mips@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/power/mti,mips-cpc.txt
F: drivers/*/*loongson1*
F: drivers/*/*/*loongson1*
-MIPS/LOONGSON2 ARCHITECTURE
+MIPS/LOONGSON2EF ARCHITECTURE
M: Jiaxun Yang <jiaxun.yang@flygoat.com>
L: linux-mips@vger.kernel.org
S: Maintained
-F: arch/mips/loongson64/fuloong-2e/
-F: arch/mips/loongson64/lemote-2f/
-F: arch/mips/include/asm/mach-loongson64/
+F: arch/mips/loongson2ef/
+F: arch/mips/include/asm/mach-loongson2ef/
F: drivers/*/*loongson2*
F: drivers/*/*/*loongson2*
-MIPS/LOONGSON3 ARCHITECTURE
+MIPS/LOONGSON64 ARCHITECTURE
M: Huacai Chen <chenhc@lemote.com>
+M: Jiaxun Yang <jiaxun.yang@flygoat.com>
L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/loongson64/
NETWORKING [TLS]
M: Boris Pismenny <borisp@mellanox.com>
M: Aviad Yehezkel <aviadye@mellanox.com>
-M: Dave Watson <davejwatson@fb.com>
M: John Fastabend <john.fastabend@gmail.com>
M: Daniel Borkmann <daniel@iogearbox.net>
M: Jakub Kicinski <jakub.kicinski@netronome.com>
M: Matthias Maennich <maennich@google.com>
S: Maintained
F: scripts/nsdeps
+F: Documentation/core-api/symbol-namespaces.rst
NTB AMD DRIVER
M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
NVM EXPRESS TARGET DRIVER
M: Christoph Hellwig <hch@lst.de>
M: Sagi Grimberg <sagi@grimberg.me>
+M: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
L: linux-nvme@lists.infradead.org
T: git://git.infradead.org/nvme.git
W: http://git.infradead.org/nvme.git
F: Documentation/parisc/
F: drivers/parisc/
F: drivers/char/agp/parisc-agp.c
+F: drivers/input/misc/hp_sdc_rtc.c
F: drivers/input/serio/gscps2.c
+F: drivers/input/serio/hp_sdc*
F: drivers/parport/parport_gsc.*
F: drivers/tty/serial/8250/8250_gsc.c
F: drivers/video/fbdev/sti*
F: drivers/video/console/sti*
F: drivers/video/logo/logo_parisc*
+F: include/linux/hp_sdc.h
PARMAN
M: Jiri Pirko <jiri@mellanox.com>
F: arch/*/events/*/*
F: tools/perf/
+PERFORMANCE EVENTS SUBSYSTEM ARM64 PMU EVENTS
+R: John Garry <john.garry@huawei.com>
+R: Will Deacon <will@kernel.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Supported
+F: tools/perf/pmu-events/arch/arm64/
+
PERSONALITY HANDLING
M: Christoph Hellwig <hch@infradead.org>
L: linux-abi-devel@lists.sourceforge.net
T: git git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git
F: samples/pidfd/
F: tools/testing/selftests/pidfd/
+F: tools/testing/selftests/clone3/
K: (?i)pidfd
K: (?i)clone3
K: \b(clone_args|kernel_clone_args)\b
PIN CONTROLLER - INTEL
M: Mika Westerberg <mika.westerberg@linux.intel.com>
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+M: Andy Shevchenko <andy@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git
S: Maintained
F: drivers/pinctrl/intel/
S: Supported
F: drivers/scsi/pm8001/
+PM-GRAPH UTILITY
+M: "Todd E Brandt" <todd.e.brandt@linux.intel.com>
+L: linux-pm@vger.kernel.org
+W: https://01.org/pm-graph
+B: https://bugzilla.kernel.org/buglist.cgi?component=pm-graph&product=Tools
+T: git git://github.com/intel/pm-graph
+S: Supported
+F: tools/power/pm-graph
+
PNP SUPPORT
M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
S: Maintained
PROC SYSCTL
M: Luis Chamberlain <mcgrof@kernel.org>
M: Kees Cook <keescook@chromium.org>
+M: Iurii Zaikin <yzaikin@google.com>
L: linux-kernel@vger.kernel.org
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: fs/proc/proc_sysctl.c
F: include/linux/sysctl.h
F: kernel/sysctl.c
+F: kernel/sysctl-test.c
F: tools/testing/selftests/sysctl/
PS3 NETWORK SUPPORT
F: drivers/scsi/qla1280.[ch]
QLOGIC QLA2XXX FC-SCSI DRIVER
-M: qla2xxx-upstream@qlogic.com
+M: hmadhani@marvell.com
L: linux-scsi@vger.kernel.org
S: Supported
F: Documentation/scsi/LICENSE.qla2xxx
L: netdev@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
F: Documentation/devicetree/bindings/net/renesas,*.txt
-F: Documentation/devicetree/bindings/net/sh_eth.txt
+F: Documentation/devicetree/bindings/net/renesas,*.yaml
F: drivers/net/ethernet/renesas/
F: include/linux/sh_eth.h
RISC-V ARCHITECTURE
M: Paul Walmsley <paul.walmsley@sifive.com>
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
M: Albert Ou <aou@eecs.berkeley.edu>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
S: Odd Fixes
F: drivers/tty/serial/rp2.*
+ROHM BH1750 AMBIENT LIGHT SENSOR DRIVER
+M: Tomasz Duszynski <tduszyns@gmail.com>
+S: Maintained
+F: drivers/iio/light/bh1750.c
+F: Documentation/devicetree/bindings/iio/light/bh1750.yaml
+
ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
M: Marek Vasut <marek.vasut+renesas@gmail.com>
L: linux-kernel@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
F: drivers/crypto/exynos-rng.c
- F: Documentation/devicetree/bindings/rng/samsung,exynos4-rng.txt
+ F: Documentation/devicetree/bindings/rng/samsung,exynos4-rng.yaml
SAMSUNG EXYNOS TRUE RANDOM NUMBER GENERATOR (TRNG) DRIVER
M: Łukasz Stelmach <l.stelmach@samsung.com>
L: linux-crypto@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
- F: Documentation/devicetree/bindings/crypto/samsung-slimsss.txt
- F: Documentation/devicetree/bindings/crypto/samsung-sss.txt
+ F: Documentation/devicetree/bindings/crypto/samsung-slimsss.yaml
+ F: Documentation/devicetree/bindings/crypto/samsung-sss.yaml
F: drivers/crypto/s5p-sss.c
SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS
F: drivers/media/usb/siano/
F: drivers/media/mmc/siano/
+SIFIVE PDMA DRIVER
+M: Green Wan <green.wan@sifive.com>
+S: Maintained
+F: drivers/dma/sf-pdma/
+F: Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
+
SIFIVE DRIVERS
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
M: Paul Walmsley <paul.walmsley@sifive.com>
L: linux-riscv@lists.infradead.org
T: git git://github.com/sifive/riscv-linux.git
SIFIVE FU540 SYSTEM-ON-CHIP
M: Paul Walmsley <paul.walmsley@sifive.com>
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pjw/sifive.git
S: Supported
F: drivers/input/touchscreen/silead.c
F: drivers/platform/x86/touchscreen_dmi.c
+SILICON LABS WIRELESS DRIVERS (for WFxxx series)
+M: Jérôme Pouiller <jerome.pouiller@silabs.com>
+S: Supported
+F: drivers/staging/wfx/
+
SILICON MOTION SM712 FRAME BUFFER DRIVER
M: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
M: Teddy Wang <teddy.wang@siliconmotion.com>
F: drivers/staging/media/soc_camera/
SOCIONEXT SYNQUACER I2C DRIVER
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+M: Ard Biesheuvel <ardb@kernel.org>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/i2c/busses/i2c-synquacer.c
F: drivers/media/i2c/imx274.c
F: Documentation/devicetree/bindings/media/i2c/imx274.txt
+SONY IMX290 SENSOR DRIVER
+M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/imx290.c
+F: Documentation/devicetree/bindings/media/i2c/imx290.txt
+
SONY IMX319 SENSOR DRIVER
M: Bingbu Cao <bingbu.cao@intel.com>
L: linux-media@vger.kernel.org
F: arch/arm/mach-spear/
SPI NOR SUBSYSTEM
-M: Marek Vasut <marek.vasut@gmail.com>
M: Tudor Ambarus <tudor.ambarus@microchip.com>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
S: Supported
F: drivers/staging/wilc1000/
+STAGING - SEPS525 LCD CONTROLLER DRIVERS
+M: Michael Hennerich <michael.hennerich@analog.com>
+M: Beniamin Bia <beniamin.bia@analog.com>
+L: linux-fbdev@vger.kernel.org
+S: Supported
+F: drivers/staging/fbtft/fb_seps525.c
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
+
STAGING SUBSYSTEM
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
F: include/linux/stm.h
F: include/uapi/linux/stm.h
+SYSTEM76 ACPI DRIVER
+M: Jeremy Soller <jeremy@system76.com>
+M: System76 Product Development <productdev@system76.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/system76_acpi.c
+
SYSV FILESYSTEM
M: Christoph Hellwig <hch@infradead.org>
S: Maintained
F: drivers/media/platform/davinci/
F: include/media/davinci/
+TI ENHANCED QUADRATURE ENCODER PULSE (eQEP) DRIVER
+R: David Lechner <david@lechnology.com>
+L: linux-iio@vger.kernel.org
+F: Documentation/devicetree/bindings/counter/ti-eqep.yaml
+F: drivers/counter/ti-eqep.c
+
TI ETHERNET SWITCH DRIVER (CPSW)
R: Grygorii Strashko <grygorii.strashko@ti.com>
L: linux-omap@vger.kernel.org
Q: http://patchwork.linuxtv.org/project/linux-media/list/
S: Maintained
F: drivers/media/platform/ti-vpe/
+F: Documentation/devicetree/bindings/media/ti,vpe.yaml
TI WILINK WIRELESS DRIVERS
L: linux-wireless@vger.kernel.org
F: Documentation/hwmon/tmp401.rst
F: drivers/hwmon/tmp401.c
+TMP513 HARDWARE MONITOR DRIVER
+M: Eric Tremblay <etremblay@distech-controls.com>
+L: linux-hwmon@vger.kernel.org
+S: Maintained
+F: Documentation/hwmon/tmp513.rst
+F: drivers/hwmon/tmp513.c
+
TMPFS (SHMEM FILESYSTEM)
M: Hugh Dickins <hughd@google.com>
L: linux-mm@kvack.org
UBI FILE SYSTEM (UBIFS)
M: Richard Weinberger <richard@nod.at>
-M: Artem Bityutskiy <dedekind1@gmail.com>
-M: Adrian Hunter <adrian.hunter@intel.com>
L: linux-mtd@lists.infradead.org
-T: git git://git.infradead.org/ubifs-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
W: http://www.linux-mtd.infradead.org/doc/ubifs.html
S: Supported
F: Documentation/filesystems/ubifs.txt
F: drivers/scsi/ufs/ufs-mediatek*
UNSORTED BLOCK IMAGES (UBI)
-M: Artem Bityutskiy <dedekind1@gmail.com>
M: Richard Weinberger <richard@nod.at>
W: http://www.linux-mtd.infradead.org/
L: linux-mtd@lists.infradead.org
-T: git git://git.infradead.org/ubifs-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
S: Supported
F: drivers/mtd/ubi/
F: include/linux/mtd/ubi.h
S: Maintained
F: drivers/net/usb/dm9601.c
-USB DIAMOND RIO500 DRIVER
-M: Cesar Miquel <miquel@df.uba.ar>
-L: rio500-users@lists.sourceforge.net
-W: http://rio500.sourceforge.net
-S: Maintained
-F: drivers/usb/misc/rio500*
-
USB EHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
VIMC VIRTUAL MEDIA CONTROLLER DRIVER
M: Helen Koike <helen.koike@collabora.com>
+R: Shuah Khan <skhan@linuxfoundation.org>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
W: https://linuxtv.org
VIRTIO AND VHOST VSOCK DRIVER
M: Stefan Hajnoczi <stefanha@redhat.com>
+M: Stefano Garzarella <sgarzare@redhat.com>
L: kvm@vger.kernel.org
L: virtualization@lists.linux-foundation.org
L: netdev@vger.kernel.org
F: drivers/input/serio/userio.c
F: include/uapi/linux/userio.h
+VITESSE FELIX ETHERNET SWITCH DRIVER
+M: Vladimir Oltean <vladimir.oltean@nxp.com>
+M: Claudiu Manoil <claudiu.manoil@nxp.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/dsa/ocelot/*
+F: net/dsa/tag_ocelot.c
+
VIVID VIRTUAL VIDEO DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
K: regulator_get_optional
VRF
-M: David Ahern <dsa@cumulusnetworks.com>
+M: David Ahern <dsahern@kernel.org>
M: Shrijeet Mukherjee <shrijeet@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/vrf.c
F: Documentation/networking/vrf.txt
+VSPRINTF
+M: Petr Mladek <pmladek@suse.com>
+M: Steven Rostedt <rostedt@goodmis.org>
+M: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+R: Rasmus Villemoes <linux@rasmusvillemoes.dk>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git
+S: Maintained
+F: lib/vsprintf.c
+F: lib/test_printf.c
+F: Documentation/core-api/printk-formats.rst
+
VT1211 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@gmail.com>
L: linux-hwmon@vger.kernel.org
F: drivers/hwmon/vt8231.c
VUB300 USB to SDIO/SD/MMC bridge chip
-M: Tony Olech <tony.olech@elandigitalsystems.com>
L: linux-mmc@vger.kernel.org
-L: linux-usb@vger.kernel.org
-S: Supported
+S: Orphan
F: drivers/mmc/host/vub300.c
W1 DALLAS'S 1-WIRE BUS
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjenning@redhat.com>
M: Dan Streetman <ddstreet@ieee.org>
+M: Vitaly Wool <vitaly.wool@konsulko.com>
L: linux-mm@kvack.org
S: Maintained
F: mm/zswap.c
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/string.h>
+#include <linux/moduleparam.h>
#include "of_private.h"
*
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
- * @out_values: pointer to return value, modified only if return value is 0.
+ * @out_values: pointer to found values.
* @sz_min: minimum number of array elements to read
* @sz_max: maximum number of array elements to read, if zero there is no
* upper limit on the number of elements in the dts entry but only
*
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
- * @out_values: pointer to return value, modified only if return value is 0.
+ * @out_values: pointer to found values.
* @sz_min: minimum number of array elements to read
* @sz_max: maximum number of array elements to read, if zero there is no
* upper limit on the number of elements in the dts entry but only
*
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
- * @out_values: pointer to return value, modified only if return value is 0.
+ * @out_values: pointer to return found values.
* @sz_min: minimum number of array elements to read
* @sz_max: maximum number of array elements to read, if zero there is no
* upper limit on the number of elements in the dts entry but only
*
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
- * @out_values: pointer to return value, modified only if return value is 0.
+ * @out_values: pointer to found values.
* @sz_min: minimum number of array elements to read
* @sz_max: maximum number of array elements to read, if zero there is no
* upper limit on the number of elements in the dts entry but only
of_property_count_strings(node, propname);
}
+static const char *of_fwnode_get_name(const struct fwnode_handle *fwnode)
+{
+ return kbasename(to_of_node(fwnode)->full_name);
+}
+
+static const char *of_fwnode_get_name_prefix(const struct fwnode_handle *fwnode)
+{
+ /* Root needs no prefix here (its name is "/"). */
+ if (!to_of_node(fwnode)->parent)
+ return "";
+
+ return "/";
+}
+
static struct fwnode_handle *
of_fwnode_get_parent(const struct fwnode_handle *fwnode)
{
return of_device_get_match_data(dev);
}
+static bool of_is_ancestor_of(struct device_node *test_ancestor,
+ struct device_node *child)
+{
+ of_node_get(child);
+ while (child) {
+ if (child == test_ancestor) {
+ of_node_put(child);
+ return true;
+ }
+ child = of_get_next_parent(child);
+ }
+ return false;
+}
+
+/**
+ * of_link_to_phandle - Add device link to supplier from supplier phandle
+ * @dev: consumer device
+ * @sup_np: phandle to supplier device tree node
+ *
+ * Given a phandle to a supplier device tree node (@sup_np), this function
+ * finds the device that owns the supplier device tree node and creates a
+ * device link from @dev consumer device to the supplier device. This function
+ * doesn't create device links for invalid scenarios such as trying to create a
+ * link with a parent device as the consumer of its child device. In such
+ * cases, it returns an error.
+ *
+ * Returns:
+ * - 0 if link successfully created to supplier
+ * - -EAGAIN if linking to the supplier should be reattempted
+ * - -EINVAL if the supplier link is invalid and should not be created
+ * - -ENODEV if there is no device that corresponds to the supplier phandle
+ */
+static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
+ u32 dl_flags)
+{
+ struct device *sup_dev;
+ int ret = 0;
+ struct device_node *tmp_np = sup_np;
+ int is_populated;
+
+ of_node_get(sup_np);
+ /*
+ * Find the device node that contains the supplier phandle. It may be
+ * @sup_np or it may be an ancestor of @sup_np.
+ */
+ while (sup_np && !of_find_property(sup_np, "compatible", NULL))
+ sup_np = of_get_next_parent(sup_np);
+ if (!sup_np) {
+ dev_dbg(dev, "Not linking to %pOFP - No device\n", tmp_np);
+ return -ENODEV;
+ }
+
+ /*
+ * Don't allow linking a device node as a consumer of one of its
+ * descendant nodes. By definition, a child node can't be a functional
+ * dependency for the parent node.
+ */
+ if (of_is_ancestor_of(dev->of_node, sup_np)) {
+ dev_dbg(dev, "Not linking to %pOFP - is descendant\n", sup_np);
+ of_node_put(sup_np);
+ return -EINVAL;
+ }
+ sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
+ is_populated = of_node_check_flag(sup_np, OF_POPULATED);
+ of_node_put(sup_np);
+ if (!sup_dev && is_populated) {
+ /* Early device without struct device. */
+ dev_dbg(dev, "Not linking to %pOFP - No struct device\n",
+ sup_np);
+ return -ENODEV;
+ } else if (!sup_dev) {
+ return -EAGAIN;
+ }
+ if (!device_link_add(dev, sup_dev, dl_flags))
+ ret = -EAGAIN;
+ put_device(sup_dev);
+ return ret;
+}
+
+/**
+ * parse_prop_cells - Property parsing function for suppliers
+ *
+ * @np: Pointer to device tree node containing a list
+ * @prop_name: Name of property to be parsed. Expected to hold phandle values
+ * @index: For properties holding a list of phandles, this is the index
+ * into the list.
+ * @list_name: Property name that is known to contain list of phandle(s) to
+ * supplier(s)
+ * @cells_name: property name that specifies phandles' arguments count
+ *
+ * This is a helper function to parse properties that have a known fixed name
+ * and are a list of phandles and phandle arguments.
+ *
+ * Returns:
+ * - phandle node pointer with refcount incremented. Caller must of_node_put()
+ * on it when done.
+ * - NULL if no phandle found at index
+ */
+static struct device_node *parse_prop_cells(struct device_node *np,
+ const char *prop_name, int index,
+ const char *list_name,
+ const char *cells_name)
+{
+ struct of_phandle_args sup_args;
+
+ if (strcmp(prop_name, list_name))
+ return NULL;
+
+ if (of_parse_phandle_with_args(np, list_name, cells_name, index,
+ &sup_args))
+ return NULL;
+
+ return sup_args.np;
+}
+
+#define DEFINE_SIMPLE_PROP(fname, name, cells) \
+static struct device_node *parse_##fname(struct device_node *np, \
+ const char *prop_name, int index) \
+{ \
+ return parse_prop_cells(np, prop_name, index, name, cells); \
+}
+
+static int strcmp_suffix(const char *str, const char *suffix)
+{
+ unsigned int len, suffix_len;
+
+ len = strlen(str);
+ suffix_len = strlen(suffix);
+ if (len <= suffix_len)
+ return -1;
+ return strcmp(str + len - suffix_len, suffix);
+}
+
+/**
+ * parse_suffix_prop_cells - Suffix property parsing function for suppliers
+ *
+ * @np: Pointer to device tree node containing a list
+ * @prop_name: Name of property to be parsed. Expected to hold phandle values
+ * @index: For properties holding a list of phandles, this is the index
+ * into the list.
+ * @suffix: Property suffix that is known to contain list of phandle(s) to
+ * supplier(s)
+ * @cells_name: property name that specifies phandles' arguments count
+ *
+ * This is a helper function to parse properties that have a known fixed suffix
+ * and are a list of phandles and phandle arguments.
+ *
+ * Returns:
+ * - phandle node pointer with refcount incremented. Caller must of_node_put()
+ * on it when done.
+ * - NULL if no phandle found at index
+ */
+static struct device_node *parse_suffix_prop_cells(struct device_node *np,
+ const char *prop_name, int index,
+ const char *suffix,
+ const char *cells_name)
+{
+ struct of_phandle_args sup_args;
+
+ if (strcmp_suffix(prop_name, suffix))
+ return NULL;
+
+ if (of_parse_phandle_with_args(np, prop_name, cells_name, index,
+ &sup_args))
+ return NULL;
+
+ return sup_args.np;
+}
+
+#define DEFINE_SUFFIX_PROP(fname, suffix, cells) \
+static struct device_node *parse_##fname(struct device_node *np, \
+ const char *prop_name, int index) \
+{ \
+ return parse_suffix_prop_cells(np, prop_name, index, suffix, cells); \
+}
+
+/**
+ * struct supplier_bindings - Property parsing functions for suppliers
+ *
+ * @parse_prop: function name
+ * parse_prop() finds the node corresponding to a supplier phandle
+ * @parse_prop.np: Pointer to device node holding supplier phandle property
+ * @parse_prop.prop_name: Name of property holding a phandle value
+ * @parse_prop.index: For properties holding a list of phandles, this is the
+ * index into the list
+ *
+ * Returns:
+ * parse_prop() return values are
+ * - phandle node pointer with refcount incremented. Caller must of_node_put()
+ * on it when done.
+ * - NULL if no phandle found at index
+ */
+struct supplier_bindings {
+ struct device_node *(*parse_prop)(struct device_node *np,
+ const char *prop_name, int index);
+};
+
+DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
+DEFINE_SIMPLE_PROP(interconnects, "interconnects", "#interconnect-cells")
+DEFINE_SIMPLE_PROP(iommus, "iommus", "#iommu-cells")
+DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
+DEFINE_SIMPLE_PROP(io_channels, "io-channel", "#io-channel-cells")
+DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
+DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
+DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
+DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
+DEFINE_SUFFIX_PROP(gpios, "-gpios", "#gpio-cells")
+
+static struct device_node *parse_iommu_maps(struct device_node *np,
+ const char *prop_name, int index)
+{
+ if (strcmp(prop_name, "iommu-map"))
+ return NULL;
+
+ return of_parse_phandle(np, prop_name, (index * 4) + 1);
+}
+
+static const struct supplier_bindings of_supplier_bindings[] = {
+ { .parse_prop = parse_clocks, },
+ { .parse_prop = parse_interconnects, },
+ { .parse_prop = parse_iommus, },
+ { .parse_prop = parse_iommu_maps, },
+ { .parse_prop = parse_mboxes, },
+ { .parse_prop = parse_io_channels, },
+ { .parse_prop = parse_interrupt_parent, },
+ { .parse_prop = parse_dmas, },
+ { .parse_prop = parse_regulators, },
+ { .parse_prop = parse_gpio, },
+ { .parse_prop = parse_gpios, },
+ {}
+};
+
+/**
+ * of_link_property - Create device links to suppliers listed in a property
+ * @dev: Consumer device
+ * @con_np: The consumer device tree node which contains the property
+ * @prop_name: Name of property to be parsed
+ *
+ * This function checks if the property @prop_name that is present in the
+ * @con_np device tree node is one of the known common device tree bindings
+ * that list phandles to suppliers. If @prop_name isn't one, this function
+ * doesn't do anything.
+ *
+ * If @prop_name is one, this function attempts to create device links from the
+ * consumer device @dev to all the devices of the suppliers listed in
+ * @prop_name.
+ *
+ * Any failed attempt to create a device link will NOT result in an immediate
+ * return. of_link_property() must create links to all the available supplier
+ * devices even when attempts to create a link to one or more suppliers fail.
+ */
+static int of_link_property(struct device *dev, struct device_node *con_np,
+ const char *prop_name)
+{
+ struct device_node *phandle;
+ const struct supplier_bindings *s = of_supplier_bindings;
+ unsigned int i = 0;
+ bool matched = false;
+ int ret = 0;
+ u32 dl_flags;
+
+ if (dev->of_node == con_np)
+ dl_flags = DL_FLAG_AUTOPROBE_CONSUMER;
+ else
+ dl_flags = DL_FLAG_SYNC_STATE_ONLY;
+
+ /* Do not stop at first failed link, link all available suppliers. */
+ while (!matched && s->parse_prop) {
+ while ((phandle = s->parse_prop(con_np, prop_name, i))) {
+ matched = true;
+ i++;
+ if (of_link_to_phandle(dev, phandle, dl_flags)
+ == -EAGAIN)
+ ret = -EAGAIN;
+ of_node_put(phandle);
+ }
+ s++;
+ }
+ return ret;
+}
+
+static int of_link_to_suppliers(struct device *dev,
+ struct device_node *con_np)
+{
+ struct device_node *child;
+ struct property *p;
+ int ret = 0;
+
+ for_each_property_of_node(con_np, p)
+ if (of_link_property(dev, con_np, p->name))
+ ret = -ENODEV;
+
+ for_each_child_of_node(con_np, child)
+ if (of_link_to_suppliers(dev, child) && !ret)
+ ret = -EAGAIN;
+
+ return ret;
+}
+
+static bool of_devlink;
+core_param(of_devlink, of_devlink, bool, 0);
+
+static int of_fwnode_add_links(const struct fwnode_handle *fwnode,
+ struct device *dev)
+{
+ if (!of_devlink)
+ return 0;
+
+ if (unlikely(!is_of_node(fwnode)))
+ return 0;
+
+ return of_link_to_suppliers(dev, to_of_node(fwnode));
+}
+
const struct fwnode_operations of_fwnode_ops = {
.get = of_fwnode_get,
.put = of_fwnode_put,
.property_present = of_fwnode_property_present,
.property_read_int_array = of_fwnode_property_read_int_array,
.property_read_string_array = of_fwnode_property_read_string_array,
+ .get_name = of_fwnode_get_name,
+ .get_name_prefix = of_fwnode_get_name_prefix,
.get_parent = of_fwnode_get_parent,
.get_next_child_node = of_fwnode_get_next_child_node,
.get_named_child_node = of_fwnode_get_named_child_node,
.graph_get_remote_endpoint = of_fwnode_graph_get_remote_endpoint,
.graph_get_port_parent = of_fwnode_graph_get_port_parent,
.graph_parse_endpoint = of_fwnode_graph_parse_endpoint,
+ .add_links = of_fwnode_add_links,
};
EXPORT_SYMBOL_GPL(of_fwnode_ops);