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(parent: 444e389) | patch
iio: dac: ad5755: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:30 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:16 +0000 (11:53 +0100)
commitd0c167ceff2d833ee493dd58164dc87bd36e48aa
tree4c600a67fbc1f6025bcd68cb8d2ee237c662d3f2tree | snapshot
parent444e38927d9af093de7cdc6afbb7afdc3485da2dcommit | diff
iio: dac: ad5755: 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: c499d029d805 ("iio:dac: Add ad5755 driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-51-jic23@kernel.org
drivers/iio/dac/ad5755.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git