summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/mtk_iommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c12
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);
}