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(parent: 2802e4d) | patch
iio: temp: ltc2983: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:57:10 +0000 (18:57 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:19 +0000 (11:53 +0100)
commite7e000dec2790a412eaf6a7f2ea26c27281070f0
tree13aa94162d503a597e5e9fe98e6b2a10f2b28867tree | snapshot
parent2802e4d41c5b141ba31a2dd2f6bdd09a1bc9eae1commit | diff
iio: temp: ltc2983: 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: 46aa8b98ce3d ("iio: temperature: Add support for LTC2983")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-91-jic23@kernel.org
drivers/iio/temperature/ltc2983.c diff | blob | history
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