projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1c20292) | patch
iio: dac: ltc2688: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:39 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:17 +0000 (11:53 +0100)
commit2030708377a219b548a9a36da57d3852382baf1d
treecce71ebdf08b8ce23af9d306b22ac0a54e1f99d6tree | snapshot
parent1c20292c6b60cfc60a5e652174b8063e5cc03feccommit | diff
iio: dac: ltc2688: 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: 832cb9eeb931 ("iio: dac: add support for ltc2688")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-60-jic23@kernel.org
drivers/iio/dac/ltc2688.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git