xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()

Browse Source 
[ Upstream commit 61fa5dfa5f52806f5ce37a0ba5712c271eb22f98 ]

Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.

Fixes: f214ff521f ("iio: ti-ads8688: Update buffer allocation for timestamps")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-5-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jonathan Cameron
2021-06-13 16:22:57 +01:00
committed by Greg Kroah-Hartman
parent 15634d6dce
commit c923e9effe
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/iio/adc/ti-ads8688.c
View File

@@ -383,7 +383,8 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p)
{ {
struct iio_poll_func *pf = p; struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev; struct iio_dev *indio_dev = pf->indio_dev;
u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)]; /* Ensure naturally aligned timestamp */
u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)] __aligned(8);
int i, j = 0; int i, j = 0;
for (i = 0; i < indio_dev->masklength; i++) { for (i = 0; i < indio_dev->masklength; i++) {