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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:56:46 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:17 +0100 |
| commit | 389b8972eb2a614cb3189e5fa55b1b7f66142c71 (patch) | |
| tree | ba493e497718176fd1524c2d07417007d0e0bc3b /drivers/dax | |
| parent | 8ff2eb625c353b1491d9f89f1dfd52e7aef5734c (diff) | |
| download | linux-389b8972eb2a614cb3189e5fa55b1b7f66142c71.tar.gz | |
iio: frequency: adf4350: 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.
Updated help text to 'may' require buffers to be in their own cacheline.
Fixes: e31166f0fd48 ("iio: frequency: New driver for Analog Devices ADF4350/ADF4351 Wideband Synthesizers")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-67-jic23@kernel.org
Diffstat (limited to 'drivers/dax')
0 files changed, 0 insertions, 0 deletions