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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-06-13 16:22:57 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-06-14 11:42:41 +0100 |
| commit | 61fa5dfa5f52806f5ce37a0ba5712c271eb22f98 (patch) | |
| tree | 4552c5aed50d3c9ad9d9969b1ec0f6b113cb2df8 /drivers/iio | |
| parent | 6a6be221b8bd561b053f0701ec752a5ed9007f69 (diff) | |
| download | linux-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.c | 3 |
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++) { |