diff options
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 */ |