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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:55:56 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:13 +0100 |
| commit | 211f810f8fae05c1f78e531b2b113ea1ab3d1ce7 (patch) | |
| tree | 4c57c5b334e72bc92bc42852681ef66d0a9d295c /tools/perf/scripts/python | |
| parent | 009ae227a1dace2d4d27c804e5bd65907e1d0557 (diff) | |
| download | linux-211f810f8fae05c1f78e531b2b113ea1ab3d1ce7.tar.gz linux-211f810f8fae05c1f78e531b2b113ea1ab3d1ce7.zip | |
iio: adc: ad7768-1: 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.
Update the comment to reflect that separate cachelines 'may' be
required.
Fixes: a5f8c7da3dbe ("iio: adc: Add AD7768-1 ADC basic support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-17-jic23@kernel.org
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions