iio: dac: ad7293: Fix alignment for DMA safety

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[ Upstream commit 8482468b30 ]

____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: 0bb12606c0 ("iio:dac:ad7293: add support for AD7293")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Antoniu Miclaus <antoniu.miclaus@analog.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-57-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jonathan Cameron 2022-05-08 18:56:36 +01:00 • committed by Greg Kroah-Hartman

parent 3b4f0dca79

commit 6819e3ac1a

1 changed files with 1 additions and 1 deletions

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drivers/iio/dac/ad7293.c

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