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| author | Mike Frysinger <vapier@gentoo.org> | 2010-10-26 21:52:59 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-01-10 07:18:03 -0500 |
| commit | efb2d31c1c62de9a0e42b2b1981d1a90fc0b4618 (patch) | |
| tree | 02696675f9365c97fa079f0b6960cbe97d4e1e62 /include/asm-generic | |
| parent | 21aa8ec362b59458bea1144494ae53ca2d8b13ed (diff) | |
| download | lwn-efb2d31c1c62de9a0e42b2b1981d1a90fc0b4618.tar.gz lwn-efb2d31c1c62de9a0e42b2b1981d1a90fc0b4618.zip | |
asm-generic/io.h: add reads[bwl]/writes[bwl] helpers
A bunch of arches define reads[bwl]/writes[bwl] helpers for accessing
memory mapped registers. Since the Blackfin ones aren't specific to
Blackfin code, move them to the common asm-generic/io.h for people.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/io.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 3577ca11a0be..4644c9a7f724 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -211,6 +211,36 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) } #endif +static inline void readsl(const void __iomem *addr, void *buf, int len) +{ + insl((unsigned long)addr, buf, len); +} + +static inline void readsw(const void __iomem *addr, void *buf, int len) +{ + insw((unsigned long)addr, buf, len); +} + +static inline void readsb(const void __iomem *addr, void *buf, int len) +{ + insb((unsigned long)addr, buf, len); +} + +static inline void writesl(const void __iomem *addr, const void *buf, int len) +{ + outsl((unsigned long)addr, buf, len); +} + +static inline void writesw(const void __iomem *addr, const void *buf, int len) +{ + outsw((unsigned long)addr, buf, len); +} + +static inline void writesb(const void __iomem *addr, const void *buf, int len) +{ + outsb((unsigned long)addr, buf, len); +} + #ifndef CONFIG_GENERIC_IOMAP #define ioread8(addr) readb(addr) #define ioread16(addr) readw(addr) |