redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

spi: Fixes for v5.9 

A small collection of driver specific fixes, the fsl-espi and bcm-qspi
 changes in particular have been causing breakage for users.
 -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl9uS/ETHGJyb29uaWVA
 a2VybmVsLm9yZwAKCRAk1otyXVSH0HO5B/kBy15WzYCeJ1VqAq+HXliT8IvFuGMh
 GgwIggHFRpqH9DBMA3PxrjHF9ULfu7wGA2hrSE6Mn2Cxnbt3qsPMU57yRuer9Zb9
 ngWNID2BpbyWtXvwDcV7e+0N9ahsgynQR9aJ7JTRfhDBwsHSz9IWF+i6Aug0/I1Z
 tDlEm8vhpIJcWuFKX1W7P1pLJ0y/1dqQHQh6vGajuj3c9EOuyrF1BjarfnhhokXL
 iB3wdSaj6OAUmkvM4/fZdZrgMDtSoYurDSSTnl4XQPHavwqXbg64s57x/l25ye8N
 Zz9lsH9nHCSrBPUnbAI4NpwlQtFx6z7aLUGJp7rcU2OSiSn6QnNc6ycF
 =1ejb
 -----END PGP SIGNATURE-----

Merge tag 'spi-fix-v5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small collection of driver specific fixes, the fsl-espi and bcm-qspi
  changes in particular have been causing breakage for users"

* tag 'spi-fix-v5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: bcm-qspi: Fix probe regression on iProc platforms
  spi: fsl-dspi: fix use-after-free in remove path
  spi: fsl-espi: Only process interrupts for expected events
  spi: bcm2835: Make polling_limit_us static
  spi: spi-fsl-dspi: use XSPI mode instead of DMA for DPAA2 SoCs
zero-sugar-mainline-defconfig
Linus Torvalds 2020-09-25 15:21:54 -07:00
parent 814324b593 00fb259c61
commit 782d122255
4 changed files with 15 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/spi/spi-bcm-qspi.c
View File

@ -1295,7 +1295,7 @@ static const struct of_device_id bcm_qspi_of_match[] = {
},
{
.compatible = "brcm,spi-bcm-qspi",
.data = &bcm_qspi_rev_data,
.data = &bcm_qspi_no_rev_data,
},
{
.compatible = "brcm,spi-bcm7216-qspi",

2
drivers/spi/spi-bcm2835.c
View File

@ -75,7 +75,7 @@
#define DRV_NAME "spi-bcm2835"
/* define polling limits */
unsigned int polling_limit_us = 30;
static unsigned int polling_limit_us = 30;
module_param(polling_limit_us, uint, 0664);
MODULE_PARM_DESC(polling_limit_us,
"time in us to run a transfer in polling mode\n");

18
drivers/spi/spi-fsl-dspi.c
View File

@ -174,17 +174,17 @@ static const struct fsl_dspi_devtype_data devtype_data[] = {
.fifo_size = 16,
},
[LS2080A] = {
.trans_mode = DSPI_DMA_MODE,
.trans_mode = DSPI_XSPI_MODE,
.max_clock_factor = 8,
.fifo_size = 4,
},
[LS2085A] = {
.trans_mode = DSPI_DMA_MODE,
.trans_mode = DSPI_XSPI_MODE,
.max_clock_factor = 8,
.fifo_size = 4,
},
[LX2160A] = {
.trans_mode = DSPI_DMA_MODE,
.trans_mode = DSPI_XSPI_MODE,
.max_clock_factor = 8,
.fifo_size = 4,
},
@ -1273,11 +1273,14 @@ static int dspi_probe(struct platform_device *pdev)
void __iomem *base;
bool big_endian;
ctlr = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi));
dspi = devm_kzalloc(&pdev->dev, sizeof(*dspi), GFP_KERNEL);
if (!dspi)
return -ENOMEM;
ctlr = spi_alloc_master(&pdev->dev, 0);
if (!ctlr)
return -ENOMEM;
dspi = spi_controller_get_devdata(ctlr);
dspi->pdev = pdev;
dspi->ctlr = ctlr;
@ -1414,7 +1417,7 @@ poll_mode:
if (dspi->devtype_data->trans_mode != DSPI_DMA_MODE)
ctlr->ptp_sts_supported = true;
platform_set_drvdata(pdev, ctlr);
platform_set_drvdata(pdev, dspi);
ret = spi_register_controller(ctlr);
if (ret != 0) {
@ -1437,8 +1440,7 @@ out_ctlr_put:
static int dspi_remove(struct platform_device *pdev)
{
struct spi_controller *ctlr = platform_get_drvdata(pdev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
struct fsl_dspi *dspi = platform_get_drvdata(pdev);
/* Disconnect from the SPI framework */
spi_unregister_controller(dspi->ctlr);

5
drivers/spi/spi-fsl-espi.c
View File

@ -564,13 +564,14 @@ static void fsl_espi_cpu_irq(struct fsl_espi *espi, u32 events)
static irqreturn_t fsl_espi_irq(s32 irq, void *context_data)
{
struct fsl_espi *espi = context_data;
u32 events;
u32 events, mask;
spin_lock(&espi->lock);
/* Get interrupt events(tx/rx) */
events = fsl_espi_read_reg(espi, ESPI_SPIE);
if (!events) {
mask = fsl_espi_read_reg(espi, ESPI_SPIM);
if (!(events & mask)) {
spin_unlock(&espi->lock);
return IRQ_NONE;
}