diff options
| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:56:49 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:18 +0100 |
| commit | a3e38a557a54df0edea791d7eb623515bb86e39a (patch) | |
| tree | 1078300a5dc4c828affd4a84fefdb95c2ddf8775 /drivers/iio/frequency | |
| parent | b3f3f8d264b9be0cb3e50e89e3f8789a948a43bb (diff) | |
iio: frequency: admv1014: Fix alignment for DMA safety
____cacheline_aligned is an insufficient guarantee for non-coherent DMA
on platforms with 128 byte cachelines above L1. Switch to the updated
IIO_DMA_MINALIGN definition.
Fixes: f4eb9ac7842f ("iio: frequency: admv1014: add support for ADMV1014")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Antoniu Miclaus <antoniu.miclaus@analog.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-70-jic23@kernel.org
Diffstat (limited to 'drivers/iio/frequency')
| -rw-r--r-- | drivers/iio/frequency/admv1014.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/frequency/admv1014.c b/drivers/iio/frequency/admv1014.c index a7994f8e6b9b..d1ccaa7ed5fe 100644 --- a/drivers/iio/frequency/admv1014.c +++ b/drivers/iio/frequency/admv1014.c @@ -127,7 +127,7 @@ struct admv1014_state { unsigned int quad_se_mode; unsigned int p1db_comp; bool det_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; static const int mixer_vgate_table[] = {106, 107, 108, 110, 111, 112, 113, 114, |