diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2014-11-11 21:55:45 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2014-11-11 21:55:45 +0300 |
| commit | 1c8d29696f0d79902962526d6c54ebfeb842c61d (patch) | |
| tree | 047caddef4ee91e42002bc1234d273c6fbc54967 /arch/sparc/include/asm/io.h | |
| parent | 3ba5acf368ae415cd14d026b7cfe29de942b65fc (diff) | |
| parent | a8e0aead70b4af957e6b27b82fba849c6179b707 (diff) | |
| download | linux-1c8d29696f0d79902962526d6c54ebfeb842c61d.tar.xz | |
Merge branch 'io' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into asm-generic
* 'io' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
documentation: memory-barriers: clarify relaxed io accessor semantics
x86: io: implement dummy relaxed accessor macros for writes
tile: io: implement dummy relaxed accessor macros for writes
sparc: io: implement dummy relaxed accessor macros for writes
powerpc: io: implement dummy relaxed accessor macros for writes
parisc: io: implement dummy relaxed accessor macros for writes
mn10300: io: implement dummy relaxed accessor macros for writes
m68k: io: implement dummy relaxed accessor macros for writes
m32r: io: implement dummy relaxed accessor macros for writes
ia64: io: implement dummy relaxed accessor macros for writes
cris: io: implement dummy relaxed accessor macros for writes
frv: io: implement dummy relaxed accessor macros for writes
xtensa: io: remove dummy relaxed accessor macros for reads
s390: io: remove dummy relaxed accessor macros for reads
microblaze: io: remove dummy relaxed accessor macros
asm-generic: io: implement relaxed accessor macros as conditional wrappers
Conflicts:
include/asm-generic/io.h
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/sparc/include/asm/io.h')
| -rw-r--r-- | arch/sparc/include/asm/io.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h index f6902cf3cbe9..493f22c4684f 100644 --- a/arch/sparc/include/asm/io.h +++ b/arch/sparc/include/asm/io.h @@ -10,6 +10,15 @@ * Defines used for both SPARC32 and SPARC64 */ +/* Relaxed accessors for MMIO */ +#define readb_relaxed(__addr) readb(__addr) +#define readw_relaxed(__addr) readw(__addr) +#define readl_relaxed(__addr) readl(__addr) + +#define writeb_relaxed(__b, __addr) writeb(__b, __addr) +#define writew_relaxed(__w, __addr) writew(__w, __addr) +#define writel_relaxed(__l, __addr) writel(__l, __addr) + /* Big endian versions of memory read/write routines */ #define readb_be(__addr) __raw_readb(__addr) #define readw_be(__addr) __raw_readw(__addr) |