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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-06-13 16:22:57 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-06-14 11:42:41 +0100
commit61fa5dfa5f52806f5ce37a0ba5712c271eb22f98 (patch)
tree4552c5aed50d3c9ad9d9969b1ec0f6b113cb2df8 /drivers/iio
parent6a6be221b8bd561b053f0701ec752a5ed9007f69 (diff)
downloadlinux-61fa5dfa5f52806f5ce37a0ba5712c271eb22f98.tar.bz2
iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
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: f214ff521fb1 ("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
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ti-ads8688.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c
index 16bcb37eebb7..79c803537dc4 100644
--- a/drivers/iio/adc/ti-ads8688.c
+++ b/drivers/iio/adc/ti-ads8688.c
@@ -383,7 +383,8 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
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;
for (i = 0; i < indio_dev->masklength; i++) {