[ARM] 4369/1: AT91: Fix circular dependency in header files

Resolve the circular dependency in the AT91 header files (io.h and
hardware.h) by moving the at91_sys_read() and at91_sys_write() functions
to io.h

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index 28133e0..1c14382 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -69,22 +69,5 @@
 /* Clocks */
 #define AT91_SLOW_CLOCK		32768		/* slow clock */
 
-#ifndef __ASSEMBLY__
-#include <asm/io.h>
-
-static inline unsigned int at91_sys_read(unsigned int reg_offset)
-{
-	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
-
-	return __raw_readl(addr + reg_offset);
-}
-
-static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
-{
-	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
-
-	__raw_writel(value, addr + reg_offset);
-}
-#endif
 
 #endif
diff --git a/include/asm-arm/arch-at91/io.h b/include/asm-arm/arch-at91/io.h
index 401f327..80073fd3 100644
--- a/include/asm-arm/arch-at91/io.h
+++ b/include/asm-arm/arch-at91/io.h
@@ -29,4 +29,22 @@
 #define __mem_pci(a)		(a)
 
 
+#ifndef __ASSEMBLY__
+
+static inline unsigned int at91_sys_read(unsigned int reg_offset)
+{
+	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+	return __raw_readl(addr + reg_offset);
+}
+
+static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
+{
+	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+	__raw_writel(value, addr + reg_offset);
+}
+
+#endif
+
 #endif
diff --git a/include/asm-arm/arch-at91/irqs.h b/include/asm-arm/arch-at91/irqs.h
index 1ffa3bb..1127a3b 100644
--- a/include/asm-arm/arch-at91/irqs.h
+++ b/include/asm-arm/arch-at91/irqs.h
@@ -21,6 +21,7 @@
 #ifndef __ASM_ARCH_IRQS_H
 #define __ASM_ARCH_IRQS_H
 
+#include <asm/io.h>
 #include <asm/arch/at91_aic.h>
 
 #define NR_AIC_IRQS 32
diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h
index a193d28..30ac587 100644
--- a/include/asm-arm/arch-at91/uncompress.h
+++ b/include/asm-arm/arch-at91/uncompress.h
@@ -21,7 +21,7 @@
 #ifndef __ASM_ARCH_UNCOMPRESS_H
 #define __ASM_ARCH_UNCOMPRESS_H
 
-#include <asm/hardware.h>
+#include <asm/io.h>
 #include <asm/arch/at91_dbgu.h>
 
 /*