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iio: adc: max1241: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:06 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:13 +0000 (11:53 +0100)
commit9d7019e43ee67a48cef63f8f23f002233064d390
tree5d2f5648d1c0c8bc84653ea660ae80b7db775e47tree | snapshot
parentf746ab0bac5b335b09143dcd01db6f9f26d0c9eccommit | diff
iio: adc: max1241: 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: 8a80a71d9020 ("iio: adc: Add MAX1241 driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Alexandru Lazar <alazar@startmail.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-27-jic23@kernel.org
drivers/iio/adc/max1241.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git