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(parent: b378722) | patch
iio: dac: ad5766: Fix alignment for DMA safety
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 8 May 2022 17:56:33 +0000 (18:56 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 14 Jun 2022 10:53:16 +0000 (11:53 +0100)
commitc32be7f035ae430ba9c142b03ceb9f935b09ed6b
treeecf57d0a65f118f00ed61e000d70e9d16302a1actree | snapshot
parentb378722a3e9bb51318c0de7eeb4d71f2fcd6987fcommit | diff
iio: dac: ad5766: 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: fd9373e41b9b ("iio: dac: ad5766: add driver support for AD5766")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-54-jic23@kernel.org
drivers/iio/dac/ad5766.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)