[ARM] Add a common typesafe __io implementation
As Al did for Versatile in 2ad4f86b60b649fd7428265c08d73a3bd360c81b,
add a typesafe __io implementation for platforms to use. Convert
platforms to use this new simple typesafe implementation.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index a809445..d2a59cf 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -80,6 +80,14 @@
extern void __readwrite_bug(const char *fn);
/*
+ * A typesafe __io() helper
+ */
+static inline void __iomem *__typesafe_io(unsigned long addr)
+{
+ return (void __iomem *)addr;
+}
+
+/*
* Now, pick up the machine-defined IO definitions
*/
#include <mach/io.h>
diff --git a/arch/arm/mach-aaec2000/include/mach/io.h b/arch/arm/mach-aaec2000/include/mach/io.h
index a283296b..ab4fe5d 100644
--- a/arch/arm/mach-aaec2000/include/mach/io.h
+++ b/arch/arm/mach-aaec2000/include/mach/io.h
@@ -12,7 +12,7 @@
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h
index 1611bd0..0b0cccc 100644
--- a/arch/arm/mach-at91/include/mach/io.h
+++ b/arch/arm/mach-at91/include/mach/io.h
@@ -23,8 +23,8 @@
#define IO_SPACE_LIMIT 0xFFFFFFFF
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#ifndef __ASSEMBLY__
diff --git a/arch/arm/mach-clps711x/include/mach/io.h b/arch/arm/mach-clps711x/include/mach/io.h
index 49419f9..2e0b3ce 100644
--- a/arch/arm/mach-clps711x/include/mach/io.h
+++ b/arch/arm/mach-clps711x/include/mach/io.h
@@ -22,8 +22,8 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
/*
* We don't support ins[lb]/outs[lb]. Make them fault.
diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h
index b78ee91..a48795f 100644
--- a/arch/arm/mach-davinci/include/mach/io.h
+++ b/arch/arm/mach-davinci/include/mach/io.h
@@ -29,8 +29,7 @@
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
-#define PCIO_BASE 0
-#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#define __mem_isa(a) (a)
diff --git a/arch/arm/mach-ep93xx/include/mach/io.h b/arch/arm/mach-ep93xx/include/mach/io.h
index 1ab9a90..fd5f081 100644
--- a/arch/arm/mach-ep93xx/include/mach/io.h
+++ b/arch/arm/mach-ep93xx/include/mach/io.h
@@ -4,5 +4,5 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(p) ((void __iomem *)(p))
-#define __mem_pci(p) (p)
+#define __io(p) __typesafe_io(p)
+#define __mem_pci(p) (p)
diff --git a/arch/arm/mach-h720x/include/mach/io.h b/arch/arm/mach-h720x/include/mach/io.h
index f678e4f..2c8659c 100644
--- a/arch/arm/mach-h720x/include/mach/io.h
+++ b/arch/arm/mach-h720x/include/mach/io.h
@@ -16,7 +16,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-imx/include/mach/io.h b/arch/arm/mach-imx/include/mach/io.h
index 0a11b0f..9e197ae 100644
--- a/arch/arm/mach-imx/include/mach/io.h
+++ b/arch/arm/mach-imx/include/mach/io.h
@@ -22,7 +22,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index b7f780f..ce63048 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -239,7 +239,7 @@
#ifndef CONFIG_PCI
-#define __io(v) v
+#define __io(v) __typesafe_io(v)
#else
diff --git a/arch/arm/mach-ks8695/include/mach/io.h b/arch/arm/mach-ks8695/include/mach/io.h
index f364f24..a7a63ac3 100644
--- a/arch/arm/mach-ks8695/include/mach/io.h
+++ b/arch/arm/mach-ks8695/include/mach/io.h
@@ -13,7 +13,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-l7200/include/mach/io.h b/arch/arm/mach-l7200/include/mach/io.h
index 64dc594..a770a89 100644
--- a/arch/arm/mach-l7200/include/mach/io.h
+++ b/arch/arm/mach-l7200/include/mach/io.h
@@ -15,11 +15,7 @@
/*
* There are not real ISA nor PCI buses, so we fake it.
*/
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-#define __io(a) __io(a)
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-lh7a40x/include/mach/io.h b/arch/arm/mach-lh7a40x/include/mach/io.h
index e41422d..6ece459 100644
--- a/arch/arm/mach-lh7a40x/include/mach/io.h
+++ b/arch/arm/mach-lh7a40x/include/mach/io.h
@@ -14,7 +14,7 @@
#define IO_SPACE_LIMIT 0xffffffff
/* No ISA or PCI bus on this machine. */
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif /* __ASM_ARCH_IO_H */
diff --git a/arch/arm/mach-msm/include/mach/io.h b/arch/arm/mach-msm/include/mach/io.h
index c6a2feb..aab9645 100644
--- a/arch/arm/mach-msm/include/mach/io.h
+++ b/arch/arm/mach-msm/include/mach/io.h
@@ -23,11 +23,7 @@
void __iomem *__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype);
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-#define __io(a) __io(a)
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-netx/include/mach/io.h b/arch/arm/mach-netx/include/mach/io.h
index 468b92a..c3921cb 100644
--- a/arch/arm/mach-netx/include/mach/io.h
+++ b/arch/arm/mach-netx/include/mach/io.h
@@ -22,7 +22,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-ns9xxx/include/mach/io.h b/arch/arm/mach-ns9xxx/include/mach/io.h
index 027bf64..f08451d 100644
--- a/arch/arm/mach-ns9xxx/include/mach/io.h
+++ b/arch/arm/mach-ns9xxx/include/mach/io.h
@@ -13,7 +13,7 @@
#define IO_SPACE_LIMIT 0xffffffff /* XXX */
-#define __io(a) ((void __iomem *)(a))
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#define __mem_isa(a) (IO_BASE + (a))
diff --git a/arch/arm/mach-orion5x/include/mach/io.h b/arch/arm/mach-orion5x/include/mach/io.h
index f24b251..c47b033 100644
--- a/arch/arm/mach-orion5x/include/mach/io.h
+++ b/arch/arm/mach-orion5x/include/mach/io.h
@@ -38,14 +38,9 @@
__iounmap(addr);
}
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-
#define __arch_ioremap(p, s, m) __arch_ioremap(p, s, m)
#define __arch_iounmap(a) __arch_iounmap(a)
-#define __io(a) __io(a)
+#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
diff --git a/arch/arm/mach-pnx4008/include/mach/io.h b/arch/arm/mach-pnx4008/include/mach/io.h
index c6206f2..cbf0904 100644
--- a/arch/arm/mach-pnx4008/include/mach/io.h
+++ b/arch/arm/mach-pnx4008/include/mach/io.h
@@ -15,7 +15,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
index 38cb212..262691f 100644
--- a/arch/arm/mach-pxa/include/mach/io.h
+++ b/arch/arm/mach-pxa/include/mach/io.h
@@ -12,7 +12,7 @@
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
-#define __io(a) ((void __iomem *)(a))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-realview/include/mach/io.h b/arch/arm/mach-realview/include/mach/io.h
index aa06942..f05bcdf 100644
--- a/arch/arm/mach-realview/include/mach/io.h
+++ b/arch/arm/mach-realview/include/mach/io.h
@@ -22,12 +22,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-
-#define __io(a) __io(a)
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-sa1100/include/mach/io.h b/arch/arm/mach-sa1100/include/mach/io.h
index 0c070a6..d8b43f3 100644
--- a/arch/arm/mach-sa1100/include/mach/io.h
+++ b/arch/arm/mach-sa1100/include/mach/io.h
@@ -16,11 +16,7 @@
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-#define __io(a) __io(a)
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-versatile/include/mach/io.h b/arch/arm/mach-versatile/include/mach/io.h
index c0b9dd1..f067c14 100644
--- a/arch/arm/mach-versatile/include/mach/io.h
+++ b/arch/arm/mach-versatile/include/mach/io.h
@@ -22,11 +22,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-#define __io(a) __io(a)
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
index 5d4cb11..c0cb267 100644
--- a/arch/arm/plat-mxc/include/mach/io.h
+++ b/arch/arm/plat-mxc/include/mach/io.h
@@ -35,8 +35,8 @@
#endif
/* io address mapping macro */
-#define __io(a) ((void __iomem *)(a))
+#define __io(a) __typesafe_io(a)
-#define __mem_pci(a) (a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h
index adc83b7..d92bf79 100644
--- a/arch/arm/plat-omap/include/mach/io.h
+++ b/arch/arm/plat-omap/include/mach/io.h
@@ -42,8 +42,8 @@
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
-#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
/*
* ----------------------------------------------------------------------------
@@ -51,8 +51,6 @@
* ----------------------------------------------------------------------------
*/
-#define PCIO_BASE 0
-
#if defined(CONFIG_ARCH_OMAP1)
#define IO_PHYS 0xFFFB0000
