iommu/arm-smmu-v3: Clear prior settings when updating STEs

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To prevent corruption of the stage-1 context pointer field when
updating STEs, rebuild the entire containing dword instead of
clearing individual fields.

Signed-off-by: Nate Watterson <nwatters@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Nate Watterson 2016-12-20 23:11:48 -05:00 • committed by Will Deacon

parent a121103c92

commit 810871c570

1 changed files with 2 additions and 8 deletions

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drivers/iommu/arm-smmu-v3.c

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