iommu/exynos: fix TLB invalidation for no-block SysMMUs

sysmmu_block() polls MMU_STATUS for the blocked state, which no-block
hardware never reports, so on such SysMMUs it always fails, and both
sysmmu_tlb_invalidate_entry() and sysmmu_tlb_invalidate_flpdcache()
skip the invalidation entirely when blocking fails.

On no-block hardware the invalidation registers are written with the
MMU running; the vendor driver never blocks around invalidation. Do
the same and write the invalidation directly. In the FLPD cache path
no-block implies a v7+ SysMMU, hence the unconditional flush-all.

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

0 files changed, 0 insertions, 0 deletions