From: Russell King rmk+kernel@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@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,