iio: temp: max31865: Fix alignment for DMA safety

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[ Upstream commit ecdef5b831 ]

____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: e112dc4e18 ("iio: temperature: Add MAX31865 RTD Support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Navin Sankar Velliangiri <navin@linumiz.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-92-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jonathan Cameron 2022-05-08 18:57:11 +01:00 • committed by Greg Kroah-Hartman

parent 114ffd4655

commit 4f7a71a85c

1 changed files with 1 additions and 1 deletions

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drivers/iio/temperature/max31865.c

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