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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:56:26 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:15 +0100 |
| commit | 678d536bb454e3bbedcaa68208550ac9dc1cc066 (patch) | |
| tree | 00fa9b6d385e7cefbd2d84dbbb905487715ba76a /Documentation/x86 | |
| parent | d2b240d3d31c66df4d2da54c75ff8e27a0e006c3 (diff) | |
iio: dac: ad5449: 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.
Update the comment to include 'may'.
Fixes: 8341dc04dfb3 ("iio:dac: Add support for the ad5449")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-47-jic23@kernel.org
Diffstat (limited to 'Documentation/x86')
0 files changed, 0 insertions, 0 deletions