Hexagon: add IOMEM and _relaxed IO macros
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
index e527cfe..6199ed5 100644
--- a/arch/hexagon/include/asm/io.h
+++ b/arch/hexagon/include/asm/io.h
@@ -40,6 +40,8 @@
#define IO_SPACE_LIMIT 0xffff
#define _IO_BASE ((void __iomem *)0xfe000000)
+#define IOMEM(x) ((void __force __iomem *)(x))
+
extern int remap_area_pages(unsigned long start, unsigned long phys_addr,
unsigned long end, unsigned long flags);
@@ -176,6 +178,18 @@
#define __raw_readl readl
/*
+ * http://comments.gmane.org/gmane.linux.ports.arm.kernel/117626
+ */
+
+#define readb_relaxed __raw_readb
+#define readw_relaxed __raw_readw
+#define readl_relaxed __raw_readl
+
+#define writeb_relaxed __raw_writeb
+#define writew_relaxed __raw_writew
+#define writel_relaxed __raw_writel
+
+/*
* Need an mtype somewhere in here, for cache type deals?
* This is probably too long for an inline.
*/