summaryrefslogtreecommitdiff
path: root/drivers/spi/spidev.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2020-03-21 09:35:44 +0100
committerIngo Molnar <mingo@kernel.org>2020-03-21 09:35:44 +0100
commitdf10846ff2ac3b0a7b295be2de2e9215877982f3 (patch)
tree9e5ff5583aa1547afd3c577815af81c2f328e288 /drivers/spi/spidev.c
parenta4654e9bde4ecedb4921e6c8fe2088114bdff1b3 (diff)
parent5ad0ec0b86525d0c5d3d250d3cfad7f183b00cfa (diff)
Merge branch 'linus' into locking/kcsan, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spidev.c')
-rw-r--r--drivers/spi/spidev.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 1e217e3e9486..2ab6e782f14c 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -396,6 +396,7 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
else
retval = get_user(tmp, (u32 __user *)arg);
if (retval == 0) {
+ struct spi_controller *ctlr = spi->controller;
u32 save = spi->mode;
if (tmp & ~SPI_MODE_MASK) {
@@ -403,6 +404,10 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
break;
}
+ if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
+ ctlr->cs_gpiods[spi->chip_select])
+ tmp |= SPI_CS_HIGH;
+
tmp |= spi->mode & ~SPI_MODE_MASK;
spi->mode = (u16)tmp;
retval = spi_setup(spi);