iio: adc: ti-adc12138: Fix alignment for DMA safety

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[ Upstream commit 76890c3bce ]

____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: 50a6edb1b6 ("iio: adc: add ADC12130/ADC12132/ADC12138 ADC driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-32-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jonathan Cameron 2022-05-08 18:56:11 +01:00 • committed by Greg Kroah-Hartman

parent 98ac354ba4

commit f2755ff215

1 changed files with 1 additions and 1 deletions

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drivers/iio/adc/ti-adc12138.c

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