diff mbox series

[v6,08/10] iommu/mediatek: Extend protect pa alignment value

Message ID 20200703044127.27438-9-chao.hao@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT6779 IOMMU SUPPORT | expand

Commit Message

chao hao July 3, 2020, 4:41 a.m. UTC 
Starting with mt6779, iommu needs to extend to 256 bytes from 128
bytes which can send the max number of data for memory protection
pa alignment. So we can use a separate patch to modify it.

Signed-off-by: Chao Hao <chao.hao@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
---
 drivers/iommu/mtk_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 5c8e141668fc..e71003037ffa 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -98,7 +98,7 @@ 
 #define F_MMU_INT_ID_LARB_ID(a)			(((a) >> 7) & 0x7)
 #define F_MMU_INT_ID_PORT_ID(a)			(((a) >> 2) & 0x1f)
 
-#define MTK_PROTECT_PA_ALIGN			128
+#define MTK_PROTECT_PA_ALIGN			256
 
 /*
  * Get the local arbiter ID and the portid within the larb arbiter