diff options
Diffstat (limited to 'drivers/iommu/omap-iopgtable.h')
| -rw-r--r-- | drivers/iommu/omap-iopgtable.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/iommu/omap-iopgtable.h b/drivers/iommu/omap-iopgtable.h index f891683e3..01a315227 100644 --- a/drivers/iommu/omap-iopgtable.h +++ b/drivers/iommu/omap-iopgtable.h @@ -10,25 +10,30 @@ * published by the Free Software Foundation. */ +#ifndef _OMAP_IOPGTABLE_H +#define _OMAP_IOPGTABLE_H + +#include <linux/bitops.h> + /* * "L2 table" address mask and size definitions. */ #define IOPGD_SHIFT 20 -#define IOPGD_SIZE (1UL << IOPGD_SHIFT) +#define IOPGD_SIZE BIT(IOPGD_SHIFT) #define IOPGD_MASK (~(IOPGD_SIZE - 1)) /* * "section" address mask and size definitions. */ #define IOSECTION_SHIFT 20 -#define IOSECTION_SIZE (1UL << IOSECTION_SHIFT) +#define IOSECTION_SIZE BIT(IOSECTION_SHIFT) #define IOSECTION_MASK (~(IOSECTION_SIZE - 1)) /* * "supersection" address mask and size definitions. */ #define IOSUPER_SHIFT 24 -#define IOSUPER_SIZE (1UL << IOSUPER_SHIFT) +#define IOSUPER_SIZE BIT(IOSUPER_SHIFT) #define IOSUPER_MASK (~(IOSUPER_SIZE - 1)) #define PTRS_PER_IOPGD (1UL << (32 - IOPGD_SHIFT)) @@ -38,14 +43,14 @@ * "small page" address mask and size definitions. */ #define IOPTE_SHIFT 12 -#define IOPTE_SIZE (1UL << IOPTE_SHIFT) +#define IOPTE_SIZE BIT(IOPTE_SHIFT) #define IOPTE_MASK (~(IOPTE_SIZE - 1)) /* * "large page" address mask and size definitions. */ #define IOLARGE_SHIFT 16 -#define IOLARGE_SIZE (1UL << IOLARGE_SHIFT) +#define IOLARGE_SIZE BIT(IOLARGE_SHIFT) #define IOLARGE_MASK (~(IOLARGE_SIZE - 1)) #define PTRS_PER_IOPTE (1UL << (IOPGD_SHIFT - IOPTE_SHIFT)) @@ -69,16 +74,16 @@ static inline phys_addr_t omap_iommu_translate(u32 d, u32 va, u32 mask) /* * some descriptor attributes. */ -#define IOPGD_TABLE (1 << 0) -#define IOPGD_SECTION (2 << 0) -#define IOPGD_SUPER (1 << 18 | 2 << 0) +#define IOPGD_TABLE (1) +#define IOPGD_SECTION (2) +#define IOPGD_SUPER (BIT(18) | IOPGD_SECTION) #define iopgd_is_table(x) (((x) & 3) == IOPGD_TABLE) #define iopgd_is_section(x) (((x) & (1 << 18 | 3)) == IOPGD_SECTION) #define iopgd_is_super(x) (((x) & (1 << 18 | 3)) == IOPGD_SUPER) -#define IOPTE_SMALL (2 << 0) -#define IOPTE_LARGE (1 << 0) +#define IOPTE_SMALL (2) +#define IOPTE_LARGE (1) #define iopte_is_small(x) (((x) & 2) == IOPTE_SMALL) #define iopte_is_large(x) (((x) & 3) == IOPTE_LARGE) @@ -93,3 +98,5 @@ static inline phys_addr_t omap_iommu_translate(u32 d, u32 va, u32 mask) /* to find an entry in the second-level page table. */ #define iopte_index(da) (((da) >> IOPTE_SHIFT) & (PTRS_PER_IOPTE - 1)) #define iopte_offset(iopgd, da) (iopgd_page_vaddr(iopgd) + iopte_index(da)) + +#endif /* _OMAP_IOPGTABLE_H */ |