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[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>
This commit is contained in:
Russell King 2005-11-17 16:48:00 +00:00 committed by Russell King
parent 0c2e4b4ff3
commit 67a1901ff4
3 changed files with 16 additions and 17 deletions
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3
arch/arm/mm/ioremap.c
View File

@ -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. * mapping. See include/asm-arm/proc-armv/pgtable.h for more information.
*/ */
void __iomem * void __iomem *
__ioremap(unsigned long phys_addr, size_t size, unsigned long flags, __ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
unsigned long align)
{ {
void * addr; void * addr;
struct vm_struct * area; struct vm_struct * area;

9
include/asm-arm/arch-ixp4xx/io.h
View File

@ -59,11 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
* fallback to the default. * fallback to the default.
*/ */
static inline void __iomem * 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)) if((addr < 0x48000000) || (addr > 0x4fffffff))
return __ioremap(addr, size, flags, align); return __ioremap(addr, size, flags);
return (void *)addr; return (void *)addr;
} }
@ -71,13 +70,11 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned
static inline void static inline void
__ixp4xx_iounmap(void __iomem *addr) __ixp4xx_iounmap(void __iomem *addr)
{ {
extern void __iounmap(void __iomem *addr);
if ((u32)addr >= VMALLOC_START) if ((u32)addr >= VMALLOC_START)
__iounmap(addr); __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 __arch_iounmap(a) __ixp4xx_iounmap(a)
#define writeb(v, p) __ixp4xx_writeb(v, p) #define writeb(v, p) __ixp4xx_writeb(v, p)

21
include/asm-arm/io.h
View File

@ -54,6 +54,12 @@ extern void __raw_readsl(void __iomem *addr, void *data, int longlen);
#define __raw_readw(a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a)) #define __raw_readw(a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a))
#define __raw_readl(a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a)) #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... * Bad read/write accesses...
*/ */
@ -256,18 +262,15 @@ out:
* ioremap takes a PCI memory address, as specified in * ioremap takes a PCI memory address, as specified in
* Documentation/IO-mapping.txt. * 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 #ifndef __arch_ioremap
#define ioremap(cookie,size) __ioremap(cookie,size,0,1) #define ioremap(cookie,size) __ioremap(cookie,size,0)
#define ioremap_nocache(cookie,size) __ioremap(cookie,size,0,1) #define ioremap_nocache(cookie,size) __ioremap(cookie,size,0)
#define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE,1) #define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE)
#define iounmap(cookie) __iounmap(cookie) #define iounmap(cookie) __iounmap(cookie)
#else #else
#define ioremap(cookie,size) __arch_ioremap((cookie),(size),0,1) #define ioremap(cookie,size) __arch_ioremap((cookie),(size),0)
#define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0,1) #define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0)
#define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE,1) #define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE)
#define iounmap(cookie) __arch_iounmap(cookie) #define iounmap(cookie) __arch_iounmap(cookie)
#endif #endif