projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8482468) | patch
iio: dac: ad7303: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:37 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:16 +0000 (11:53 +0100)
commit69e51448ddfb9062efdf83e2d3179498e0aeb293
tree266ff2afa37afcfeb527702d0a6349d335a58745tree | snapshot
parent8482468b30bdb16d4a764f995d7a63d94fa0cf40commit | diff
iio: dac: ad7303: 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: f83478240e74 ("iio:dac: Add support for the AD7303")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-58-jic23@kernel.org
drivers/iio/dac/ad7303.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git