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m32r: io: implement dummy relaxed accessor macros for writes

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write{b,w,l}_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 m32r, in the
same vein as the dummy definitions for the relaxed read accessors.

Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2013-09-03 19:11:58 +01:00
parent f6b3b7a9fa
commit cb147c0f0b
1 changed files with 3 additions and 0 deletions
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arch/m32r/include/asm/io.h
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@ -161,6 +161,9 @@ static inline void _writel(unsigned long l, unsigned long addr)
#define __raw_writeb writeb #define __raw_writeb writeb
#define __raw_writew writew #define __raw_writew writew
#define __raw_writel writel #define __raw_writel writel
#define writeb_relaxed writeb
#define writew_relaxed writew
#define writel_relaxed writel
#define ioread8 read #define ioread8 read
#define ioread16 readw #define ioread16 readw