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| author |   Peter Griffin <peter.griffin@linaro.org> | 2025-03-19 15:30:20 +0000 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2025-04-03 09:53:50 -0400 |
| commit | f92bb7436802f8eb7ee72dc911a33c8897fde366 (patch) | |
| tree | cd8d3f2d83b9ccb63086016f7049c0c0feb1cee9 /scripts/lib/kdoc/kdoc_output.py | |
| parent | scsi: ufs: exynos: Move UFS shareability value to drvdata (diff) | |
| download | wireguard-linux-f92bb7436802f8eb7ee72dc911a33c8897fde366.tar.xz wireguard-linux-f92bb7436802f8eb7ee72dc911a33c8897fde366.zip | |
scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set
If dma-coherent property isn't set then descriptors are non-cacheable
and the iocc shareability bits should be disabled. Without this UFS can
end up in an incompatible configuration and suffer from random cache
related stability issues.
Suggested-by: Bart Van Assche <bvanassche@acm.org>
Fixes: cc52e15397cc ("scsi: ufs: ufs-exynos: Support ExynosAuto v9 UFS")
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250319-exynos-ufs-stability-fixes-v2-3-96722cc2ba1b@linaro.org
Cc: Chanho Park <chanho61.park@samsung.com>
Cc: stable@vger.kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_output.py')
0 files changed, 0 insertions, 0 deletions