Commit 579cadee authored Sep 04, 2013 by Will Deacon

tile: 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 tile, in the
same vein as the dummy definitions for the relaxed read accessors.

Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 1191ccb3

arch/tile/include/asm/io.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,10 @@ static inline void writeq(u64 val, unsigned long addr)
		#define readw_relaxed readw
		#define readl_relaxed readl
		#define readq_relaxed readq
		#define writeb_relaxed writeb
		#define writew_relaxed writew
		#define writel_relaxed writel
		#define writeq_relaxed writeq

		#define ioread8 readb
		#define ioread16 readw

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