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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:56:40 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:17 +0100 |
| commit | e66bf04797f1f95a2402414c00e64d00f63d31ec (patch) | |
| tree | 11c897d58486fa7b88957767adb73753d6a0188f /tools/perf/scripts/python | |
| parent | iio: dac: ltc2688: Fix alignment for DMA safety (diff) | |
| download | linux-e66bf04797f1f95a2402414c00e64d00f63d31ec.tar.gz linux-e66bf04797f1f95a2402414c00e64d00f63d31ec.zip | |
iio: dac: mcp4922: 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: 1b791fadf3a1 ("iio: dac: mcp4902/mcp4912/mcp4922 dac driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Michael Welling <mwelling@ieee.org>
Link: https://lore.kernel.org/r/20220508175712.647246-61-jic23@kernel.org
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions