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Commit 6dda79e9 authored by Mitchel Humpherys's avatar Mitchel Humpherys Committed by Matt Wagantall
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iommu/arm-smmu: only allow one ATOS operation at a time 



Some hardware prohibits multiple ATOS commands from being issued
concurrently.  Add a lock to avoid concurrent ATOS commands from being
issued.

Change-Id: Ie728464f8f03b3d60807a75b9e7c2b50ab62fa43
Signed-off-by: default avatarMitchel Humpherys <mitchelh@codeaurora.org>
parent 42a4503d
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