From: Marek Szyprowski
[ Upstream commit 7d2aa6b814476a2e2794960f844344519246df72 ]
Documentation specifies that SYSMMU should be in blocked state while
performing TLB/FLPD cache invalidation, so add needed calls to
sysmmu_block/unblock.
Fixes: 66a7ed84b345d
From: Marek Szyprowski
[ Upstream commit 7d2aa6b814476a2e2794960f844344519246df72 ]
Documentation specifies that SYSMMU should be in blocked state while
performing TLB/FLPD cache invalidation, so add needed calls to
sysmmu_block/unblock.
Fixes: 66a7ed84b345d ("iommu/exynos: Apply workaround of
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