Jonathan Cameron 444e38927d iio: dac: ad5686: 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: 0357e488b825 ("iio:dac:ad5686: Refactor the driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-50-jic23@kernel.org
2022-06-14 11:53:16 +01:00
..
2022-03-01 22:13:53 +00:00