iommu/mediatek: Extend protect pa alignment value

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>
Link: https://lore.kernel.org/r/20200703044127.27438-9-chao.hao@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 5c8e141668fcfc02329ff46f160e906fc5420ec1..e71003037ffa6c11558bc584bf46d54ec47975b8 100644 (file)
--- 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