iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA

Fix the commit 81b3c2521844 ("iommu/io-pgtable: Introduce explicit
coherency"). If there is no IO_PGTABLE_QUIRK_NO_DMA, we should call
dma_sync_single_for_device for cache synchronization.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Fixes: 81b3c2521844 ('iommu/io-pgtable: Introduce explicit coherency')
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index d665d0d..6961fc3 100644 (file)
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -245,7 +245,7 @@ static void __arm_v7s_free_table(void *table, int lvl,
 static void __arm_v7s_pte_sync(arm_v7s_iopte *ptep, int num_entries,
                               struct io_pgtable_cfg *cfg)
 {
-       if (!(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA))
+       if (cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA)
                return;
 
        dma_sync_single_for_device(cfg->iommu_dev, __arm_v7s_dma_addr(ptep),