iio: dac: ad8801: Fix alignment for DMA safety

Browse source

[ Upstream commit 1c20292c6b ]

____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.

Fixes: 7f270bc9a2 ("iio: dac: AD8801: add Analog Devices AD8801/AD8803 support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-59-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Jonathan Cameron 2022-05-08 18:56:38 +01:00 • committed by Greg Kroah-Hartman

parent 1d62ff4966

commit 8e23928dcb

1 changed files with 1 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/iio/dac/ad8801.c

View file