microblaze: Define read/write{b,w,l}_relaxed MMIO



More and more ARM specific drivers is using MMIO
readX/writeX_relaxed IO functions and Microblaze can
shared some drivers with ARM too.

This patch adds relaxed IO accessor macros
to prevent compilation failures.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

parent 03fe0d3c

arch/microblaze/include/asm/io.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -342,4 +342,12 @@ static inline void outsl(unsigned long addr, const void *buffer, int count)
		#define iowrite32_rep(p, src, count) \
		outsl((unsigned long) (p), (src), (count))

		#define readb_relaxed readb
		#define readw_relaxed readw
		#define readl_relaxed readl

		#define writeb_relaxed writeb
		#define writew_relaxed writew
		#define writel_relaxed writel

		#endif /* _ASM_MICROBLAZE_IO_H */