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(parent: faa05ec) | 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)
commit732f2cb2fbb51bd5bc03a114bd102ab3b2f537fe
tree13aa94162d503a597e5e9fe98e6b2a10f2b28867tree | snapshot
parentfaa05ecb1349070d874810e161b653c2220e0006commit | 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: f110f3188e56 ("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 | blame | history
Linux 6.x block layer and io_uring tree(s)