iommu/arm-smmu-v3: Explain why ATS stays disabled with bypass

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The SMMU does not support enabling ATS for a bypass stream. Add a comment.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20230321100559.341981-1-jean-philippe@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>

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Jean-Philippe Brucker 2023-03-21 10:06:00 +00:00 • committed by Will Deacon

parent e8d018dd02

commit 8c153645fa

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drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

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