diff options
| author | Yong Wu <yong.wu@mediatek.com> | 2017-08-21 14:00:15 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-08-22 17:37:58 +0300 |
| commit | a9467d954226f1a513cfe789a3a39d8fc73b5d16 (patch) | |
| tree | 1599514b5f3afa39660cfb8dba1499210f6bac7f /drivers/iommu/mtk_iommu.c | |
| parent | 894901b5c9433c6cdc2b997e4d35c1807572bd77 (diff) | |
| download | linux-a9467d954226f1a513cfe789a3a39d8fc73b5d16.tar.xz | |
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.c | 8 |
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 */ |