diff options
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index c2f6c78fee44..81ac95fe6f3b 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -245,11 +245,9 @@ static void mtk_iommu_tlb_flush_page_nosync(struct iommu_iotlb_gather *gather, void *cookie) { struct mtk_iommu_data *data = cookie; - unsigned long flags; + struct iommu_domain *domain = &data->m4u_dom->domain; - spin_lock_irqsave(&data->tlb_lock, flags); - mtk_iommu_tlb_add_flush_nosync(iova, granule, granule, true, cookie); - spin_unlock_irqrestore(&data->tlb_lock, flags); + iommu_iotlb_gather_add_page(domain, gather, iova, granule); } static const struct iommu_flush_ops mtk_iommu_flush_ops = { @@ -469,9 +467,15 @@ static void mtk_iommu_iotlb_sync(struct iommu_domain *domain, struct iommu_iotlb_gather *gather) { struct mtk_iommu_data *data = mtk_iommu_get_m4u_data(); + size_t length = gather->end - gather->start; unsigned long flags; + if (gather->start == ULONG_MAX) + return; + spin_lock_irqsave(&data->tlb_lock, flags); + mtk_iommu_tlb_add_flush_nosync(gather->start, length, gather->pgsize, + false, data); mtk_iommu_tlb_sync(data); spin_unlock_irqrestore(&data->tlb_lock, flags); } |