iio: potentiometer: ad5110: Fix alignment for DMA safety

Browse source

[ Upstream commit b5841c38cb ]

____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: d03a74bfac ("iio: potentiometer: Add driver support for AD5110")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Mugilraj Dhavachelvan <dmugil2000@gmail.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-81-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Jonathan Cameron 2022-05-08 18:57:00 +01:00 • committed by Greg Kroah-Hartman

parent ad602e3347

commit 669a1aca32

1 changed files with 2 additions and 2 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

4

drivers/iio/potentiometer/ad5110.c

View file