Merge tag 'spi-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brooni...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Apr 2022 16:45:38 +0000 (06:45 -1000)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Apr 2022 16:45:38 +0000 (06:45 -1000)
Pull spi fixes from Mark Brown:
 "A small collection of fixes that have arrived since the merge window,
  the most noticable one is a fix for unmapping messages when the
  mapping was done with the struct device supplied to do the mapping
  overridden"

* tag 'spi-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: bcm-qspi: fix MSPI only access with bcm_qspi_exec_mem_op()
  spi: cadence-quadspi: fix protocol setup for non-1-1-X operations
  spi: core: add dma_map_dev for __spi_unmap_msg()
  spi: mxic: Fix an error handling path in mxic_spi_probe()
  spi: rpc-if: Fix RPM imbalance in probe error path

drivers/spi/spi-bcm-qspi.c
drivers/spi/spi-cadence-quadspi.c
drivers/spi/spi-mxic.c
drivers/spi/spi-rpc-if.c
drivers/spi/spi.c

index 86c7621..cad2d55 100644 (file)
@@ -1205,7 +1205,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
        addr = op->addr.val;
        len = op->data.nbytes;
 
-       if (bcm_qspi_bspi_ver_three(qspi) == true) {
+       if (has_bspi(qspi) && bcm_qspi_bspi_ver_three(qspi) == true) {
                /*
                 * The address coming into this function is a raw flash offset.
                 * But for BSPI <= V3, we need to convert it to a remapped BSPI
@@ -1224,7 +1224,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
            len < 4)
                mspi_read = true;
 
-       if (mspi_read)
+       if (!has_bspi(qspi) || mspi_read)
                return bcm_qspi_mspi_exec_mem_op(spi, op);
 
        ret = bcm_qspi_bspi_set_mode(qspi, op, 0);
index b0c9f62..616ada8 100644 (file)
@@ -19,6 +19,7 @@
 #include <linux/iopoll.h>
 #include <linux/jiffies.h>
 #include <linux/kernel.h>
+#include <linux/log2.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of.h>
@@ -102,12 +103,6 @@ struct cqspi_driver_platdata {
 #define CQSPI_TIMEOUT_MS                       500
 #define CQSPI_READ_TIMEOUT_MS                  10
 
-/* Instruction type */
-#define CQSPI_INST_TYPE_SINGLE                 0
-#define CQSPI_INST_TYPE_DUAL                   1
-#define CQSPI_INST_TYPE_QUAD                   2
-#define CQSPI_INST_TYPE_OCTAL                  3
-
 #define CQSPI_DUMMY_CLKS_PER_BYTE              8
 #define CQSPI_DUMMY_BYTES_MAX                  4
 #define CQSPI_DUMMY_CLKS_MAX                   31
@@ -376,10 +371,6 @@ static unsigned int cqspi_calc_dummy(const struct spi_mem_op *op, bool dtr)
 static int cqspi_set_protocol(struct cqspi_flash_pdata *f_pdata,
                              const struct spi_mem_op *op)
 {
-       f_pdata->inst_width = CQSPI_INST_TYPE_SINGLE;
-       f_pdata->addr_width = CQSPI_INST_TYPE_SINGLE;
-       f_pdata->data_width = CQSPI_INST_TYPE_SINGLE;
-
        /*
         * For an op to be DTR, cmd phase along with every other non-empty
         * phase should have dtr field set to 1. If an op phase has zero
@@ -389,32 +380,23 @@ static int cqspi_set_protocol(struct cqspi_flash_pdata *f_pdata,
                       (!op->addr.nbytes || op->addr.dtr) &&
                       (!op->data.nbytes || op->data.dtr);
 
-       switch (op->data.buswidth) {
-       case 0:
-               break;
-       case 1:
-               f_pdata->data_width = CQSPI_INST_TYPE_SINGLE;
-               break;
-       case 2:
-               f_pdata->data_width = CQSPI_INST_TYPE_DUAL;
-               break;
-       case 4:
-               f_pdata->data_width = CQSPI_INST_TYPE_QUAD;
-               break;
-       case 8:
-               f_pdata->data_width = CQSPI_INST_TYPE_OCTAL;
-               break;
-       default:
-               return -EINVAL;
-       }
+       f_pdata->inst_width = 0;
+       if (op->cmd.buswidth)
+               f_pdata->inst_width = ilog2(op->cmd.buswidth);
+
+       f_pdata->addr_width = 0;
+       if (op->addr.buswidth)
+               f_pdata->addr_width = ilog2(op->addr.buswidth);
+
+       f_pdata->data_width = 0;
+       if (op->data.buswidth)
+               f_pdata->data_width = ilog2(op->data.buswidth);
 
        /* Right now we only support 8-8-8 DTR mode. */
        if (f_pdata->dtr) {
                switch (op->cmd.buswidth) {
                case 0:
-                       break;
                case 8:
-                       f_pdata->inst_width = CQSPI_INST_TYPE_OCTAL;
                        break;
                default:
                        return -EINVAL;
@@ -422,9 +404,7 @@ static int cqspi_set_protocol(struct cqspi_flash_pdata *f_pdata,
 
                switch (op->addr.buswidth) {
                case 0:
-                       break;
                case 8:
-                       f_pdata->addr_width = CQSPI_INST_TYPE_OCTAL;
                        break;
                default:
                        return -EINVAL;
@@ -432,9 +412,7 @@ static int cqspi_set_protocol(struct cqspi_flash_pdata *f_pdata,
 
                switch (op->data.buswidth) {
                case 0:
-                       break;
                case 8:
-                       f_pdata->data_width = CQSPI_INST_TYPE_OCTAL;
                        break;
                default:
                        return -EINVAL;
index 55c0920..65be8e0 100644 (file)
@@ -813,6 +813,7 @@ static int mxic_spi_probe(struct platform_device *pdev)
        if (ret) {
                dev_err(&pdev->dev, "spi_register_master failed\n");
                pm_runtime_disable(&pdev->dev);
+               mxic_spi_mem_ecc_remove(mxic);
        }
 
        return ret;
index fe82f35..24ec1c8 100644 (file)
@@ -158,14 +158,18 @@ static int rpcif_spi_probe(struct platform_device *pdev)
 
        error = rpcif_hw_init(rpc, false);
        if (error)
-               return error;
+               goto out_disable_rpm;
 
        error = spi_register_controller(ctlr);
        if (error) {
                dev_err(&pdev->dev, "spi_register_controller failed\n");
-               rpcif_disable_rpm(rpc);
+               goto out_disable_rpm;
        }
 
+       return 0;
+
+out_disable_rpm:
+       rpcif_disable_rpm(rpc);
        return error;
 }
 
index c4dd120..32443ae 100644 (file)
@@ -1130,11 +1130,15 @@ static int __spi_unmap_msg(struct spi_controller *ctlr, struct spi_message *msg)
 
        if (ctlr->dma_tx)
                tx_dev = ctlr->dma_tx->device->dev;
+       else if (ctlr->dma_map_dev)
+               tx_dev = ctlr->dma_map_dev;
        else
                tx_dev = ctlr->dev.parent;
 
        if (ctlr->dma_rx)
                rx_dev = ctlr->dma_rx->device->dev;
+       else if (ctlr->dma_map_dev)
+               rx_dev = ctlr->dma_map_dev;
        else
                rx_dev = ctlr->dev.parent;