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authorHartley Sweeten <hartleys@visionengravers.com>2009-06-26 21:36:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-06-27 10:41:12 +0100
commit702b59e623c3ca80beaeab79ca5ede4ea23170e2 (patch)
treefc417ef59f27909acbb3df82958425ee6486a925 /arch/arm/mach-ep93xx/include/mach/io.h
parent28d0325ce6e0a52f53d8af687e6427fee59004d3 (diff)
downloadop-kernel-dev-702b59e623c3ca80beaeab79ca5ede4ea23170e2.zip
op-kernel-dev-702b59e623c3ca80beaeab79ca5ede4ea23170e2.tar.gz
[ARM] 5573/1: ep93xx: ensure typesafe io
ARM: ep93xx: ensure typesafe io For the ep93xx platform, all EP93XX_*_BASE defines are based on virtual addresses. Ensure that all these defines are properly typesafe for the __raw_{read/write}* macros. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Ryan Mallon <ryan@bluewatersys.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ep93xx/include/mach/io.h')
-rw-r--r--arch/arm/mach-ep93xx/include/mach/io.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/io.h b/arch/arm/mach-ep93xx/include/mach/io.h
index fd5f081..cebcc1c 100644
--- a/arch/arm/mach-ep93xx/include/mach/io.h
+++ b/arch/arm/mach-ep93xx/include/mach/io.h
@@ -1,8 +1,21 @@
/*
* arch/arm/mach-ep93xx/include/mach/io.h
*/
+#ifndef __ASM_MACH_IO_H
+#define __ASM_MACH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(p) __typesafe_io(p)
-#define __mem_pci(p) (p)
+#define __io(p) __typesafe_io(p)
+#define __mem_pci(p) (p)
+
+/*
+ * A typesafe __io() variation for variable initialisers
+ */
+#ifdef __ASSEMBLER__
+#define IOMEM(p) p
+#else
+#define IOMEM(p) ((void __iomem __force *)(p))
+#endif
+
+#endif /* __ASM_MACH_IO_H */
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