[ARM] __ioremap doesn't use 4th argument

The "align" argument in ARMs __ioremap is unused and provides a
misleading expectation that it might do something.  It doesn't.
Remove it.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 16 insertions, 17 deletions

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 0f128c28fee4..10901398e4a2 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -130,8 +130,7 @@ remap_area_pages(unsigned long start, unsigned long phys_addr,
  * mapping.  See include/asm-arm/proc-armv/pgtable.h for more information.
  */
 void __iomem *
-__ioremap(unsigned long phys_addr, size_t size, unsigned long flags,
-          unsigned long align)
+__ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
 {
         void * addr;
         struct vm_struct * area;
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index 688f7f90d93e..942b622455bc 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -59,11 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * fallback to the default.
  */
 static inline void __iomem *
-__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align)
+__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags)
 {
-        extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
         if((addr < 0x48000000) || (addr > 0x4fffffff))
-                return __ioremap(addr, size, flags, align);
+                return __ioremap(addr, size, flags);
 
         return (void *)addr;
 }
@@ -71,13 +70,11 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned
 static inline void
 __ixp4xx_iounmap(void __iomem *addr)
 {
-        extern void __iounmap(void __iomem *addr);
-
         if ((u32)addr >= VMALLOC_START)
                 __iounmap(addr);
 }
 
-#define __arch_ioremap(a, s, f, x)      __ixp4xx_ioremap(a, s, f, x)
+#define __arch_ioremap(a, s, f)         __ixp4xx_ioremap(a, s, f)
 #define __arch_iounmap(a)               __ixp4xx_iounmap(a)
 
 #define writeb(v, p)                    __ixp4xx_writeb(v, p)
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 2e6799632f12..ae69db4a1010 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -55,6 +55,12 @@ extern void __raw_readsl(void __iomem *addr, void *data, int longlen);
 #define __raw_readl(a)          (__chk_io_ptr(a), *(volatile unsigned int __force   *)(a))
 
 /*
+ * Architecture ioremap implementation.
+ */
+extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
+extern void __iounmap(void __iomem *addr);
+
+/*
  * Bad read/write accesses...
  */
 extern void __readwrite_bug(const char *fn);
@@ -256,18 +262,15 @@ out:
  * ioremap takes a PCI memory address, as specified in
  * Documentation/IO-mapping.txt.
  */
-extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
-extern void __iounmap(void __iomem *addr);
-
 #ifndef __arch_ioremap
-#define ioremap(cookie,size)            __ioremap(cookie,size,0,1)
-#define ioremap_nocache(cookie,size)    __ioremap(cookie,size,0,1)
-#define ioremap_cached(cookie,size)     __ioremap(cookie,size,L_PTE_CACHEABLE,1)
+#define ioremap(cookie,size)            __ioremap(cookie,size,0)
+#define ioremap_nocache(cookie,size)    __ioremap(cookie,size,0)
+#define ioremap_cached(cookie,size)     __ioremap(cookie,size,L_PTE_CACHEABLE)
 #define iounmap(cookie)                 __iounmap(cookie)
 #else
-#define ioremap(cookie,size)            __arch_ioremap((cookie),(size),0,1)
-#define ioremap_nocache(cookie,size)    __arch_ioremap((cookie),(size),0,1)
-#define ioremap_cached(cookie,size)     __arch_ioremap((cookie),(size),L_PTE_CACHEABLE,1)
+#define ioremap(cookie,size)            __arch_ioremap((cookie),(size),0)
+#define ioremap_nocache(cookie,size)    __arch_ioremap((cookie),(size),0)
+#define ioremap_cached(cookie,size)     __arch_ioremap((cookie),(size),L_PTE_CACHEABLE)
 #define iounmap(cookie)                 __arch_iounmap(cookie)
 #endif