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>
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 2565cb9..a2cea72 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -342,4 +342,12 @@
#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 */