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iio: adc: hi8435: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:00 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:13 +0000 (11:53 +0100)
commit48e4ae96b0b10f93de23b86fd34e573c44e95ab3
treea1ceaa1a45bce2576a214e2a027eedeb1eb5c75ftree | snapshot
parent9c6c7eff7d4a53efd4d0818f8664259a1862665acommit | diff
iio: adc: hi8435: 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: 72aa29ce0a59 ("iio: adc: hi8435: Holt HI-8435 threshold detector")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-21-jic23@kernel.org
drivers/iio/adc/hi8435.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git