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(parent: 6ebf401) | patch
iio: adc: max1027: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:03 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:13 +0000 (11:53 +0100)
commite754fb7e7a05e3838c9aa044b4114869dd0d1e17
treed546cad338cfbb8475583e59793f70180ad35d5atree | snapshot
parent6ebf401d555ee1e75e779b865d38e171db0aa1f2commit | diff
iio: adc: max1027: 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.

Fixes: fc167f624833 ("iio: add support of the max1027")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-24-jic23@kernel.org
drivers/iio/adc/max1027.c diff | blob | history
Domain: System / Kernel;