iommu/io-pgtable-arm: Convert to IOMMU API TLB sync

[platform/kernel/linux-rpi.git] / drivers / iommu / ipmmu-vmsa.c

diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 195d6e9..af81400 100644 (file)
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -619,6 +619,14 @@ static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova,
        return domain->iop->unmap(domain->iop, iova, size);
 }
 
+static void ipmmu_iotlb_sync(struct iommu_domain *io_domain)
+{
+       struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain);
+
+       if (domain->mmu)
+               ipmmu_tlb_flush_all(domain);
+}
+
 static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain,
                                      dma_addr_t iova)
 {
@@ -876,6 +884,8 @@ static const struct iommu_ops ipmmu_ops = {
        .detach_dev = ipmmu_detach_device,
        .map = ipmmu_map,
        .unmap = ipmmu_unmap,
+       .flush_iotlb_all = ipmmu_iotlb_sync,
+       .iotlb_sync = ipmmu_iotlb_sync,
        .map_sg = default_iommu_map_sg,
        .iova_to_phys = ipmmu_iova_to_phys,
        .add_device = ipmmu_add_device_dma,