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authorYong Wu <yong.wu@mediatek.com>2017-08-21 19:00:15 +0800
committerJoerg Roedel <jroedel@suse.de>2017-08-22 16:37:58 +0200
commita9467d954226f1a513cfe789a3a39d8fc73b5d16 (patch)
tree1599514b5f3afa39660cfb8dba1499210f6bac7f /drivers/iommu/mtk_iommu.c
parent894901b5c9433c6cdc2b997e4d35c1807572bd77 (diff)
downloadlinux-a9467d954226f1a513cfe789a3a39d8fc73b5d16.tar.bz2
iommu/mediatek: Move MTK_M4U_TO_LARB/PORT into mtk_iommu.c
The definition of MTK_M4U_TO_LARB and MTK_M4U_TO_PORT are shared by all the gen2 M4U HWs. Thus, Move them out from mt8173-larb-port.h, and put them into the c file. Suggested-by: Honghui Zhang <honghui.zhang@mediatek.com> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 91c6d367ab35..4db6c8f66b0c 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -31,7 +31,6 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <asm/barrier.h>
-#include <dt-bindings/memory/mt8173-larb-port.h>
#include <soc/mediatek/smi.h>
#include "mtk_iommu.h"
@@ -93,6 +92,13 @@
#define MTK_PROTECT_PA_ALIGN 128
+/*
+ * Get the local arbiter ID and the portid within the larb arbiter
+ * from mtk_m4u_id which is defined by MTK_M4U_ID.
+ */
+#define MTK_M4U_TO_LARB(id) (((id) >> 5) & 0x7)
+#define MTK_M4U_TO_PORT(id) ((id) & 0x1f)
+
struct mtk_iommu_domain {
spinlock_t pgtlock; /* lock for page table */