From: Russell King <rmk+ker...@arm.linux.org.uk>
Ensure that we unmap all MMU entries when unmapping a region. We
fail to do this because we assume that the return value from the
unmap method should be zero. It should be the size of entry which
has been unmapped.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/staging/etnaviv/etnaviv_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/etnaviv/etnaviv_iommu.c
b/drivers/staging/etnaviv/etnaviv_iommu.c
index d8ac05aa2cd3..89bc2ffadf86 100644
--- a/drivers/staging/etnaviv/etnaviv_iommu.c
+++ b/drivers/staging/etnaviv/etnaviv_iommu.c
@@ -134,7 +134,7 @@ static size_t etnaviv_iommu_unmap(struct iommu_domain
*domain,
pgtable_write(&etnaviv_domain->pgtable, iova, ~0);
spin_unlock(&etnaviv_domain->map_lock);
- return 0;
+ return SZ_4K;
}
static phys_addr_t etnaviv_iommu_iova_to_phys(struct iommu_domain *domain,
--
2.1.4
