diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 66a00a2cb445..d3b8a1649093 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -430,7 +430,12 @@ static size_t mtk_iommu_unmap(struct iommu_domain *domain, struct iommu_iotlb_gather *gather) { struct mtk_iommu_domain *dom = to_mtk_domain(domain); + unsigned long end = iova + size - 1; + if (gather->start > iova) + gather->start = iova; + if (gather->end < end) + gather->end = end; return dom->iop->unmap(dom->iop, iova, size, gather); } @@ -445,9 +450,6 @@ static void mtk_iommu_iotlb_sync(struct iommu_domain *domain, struct mtk_iommu_data *data = mtk_iommu_get_m4u_data(); size_t length = gather->end - gather->start + 1; - if (gather->start == ULONG_MAX) - return; - mtk_iommu_tlb_flush_range_sync(gather->start, length, gather->pgsize, data); } |