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| author | Will Deacon <will.deacon@arm.com> | 2013-09-04 11:34:08 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2014-10-20 18:49:18 +0100 |
| commit | 1191ccb34cf810a0fefaaf5ca3cfe3c5d7675927 (patch) | |
| tree | 1700dadabaaa2d658fa0c34580edd6c99e0bb205 /arch/sparc/include/asm/io_32.h | |
| parent | 5da590574cbc39e48d1b71d87b62766c044b9b52 (diff) | |
| download | linux-1191ccb34cf810a0fefaaf5ca3cfe3c5d7675927.tar.bz2 | |
sparc: io: implement dummy relaxed accessor macros for writes
write{b,w,l,q}_relaxed are implemented by some architectures in order to
permit memory-mapped I/O accesses with weaker barrier semantics than the
non-relaxed variants.
This patch adds dummy macros for the write accessors to sparc, in the
same vein as the dummy definitions for the relaxed read accessors. The
existing relaxed read{b,w,l} accessors are moved into asm/io.h, since
they are identical between 32-bit and 64-bit machines.
Acked-by: "David S. Miller" <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/sparc/include/asm/io_32.h')
| -rw-r--r-- | arch/sparc/include/asm/io_32.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 9f532902627c..407ac14295f4 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h @@ -4,10 +4,6 @@ #include <linux/kernel.h> #include <linux/ioport.h> /* struct resource */ -#define readb_relaxed(__addr) readb(__addr) -#define readw_relaxed(__addr) readw(__addr) -#define readl_relaxed(__addr) readl(__addr) - #define IO_SPACE_LIMIT 0xffffffff #define memset_io(d,c,sz) _memset_io(d,c,sz) |