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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-10-09 02:09:49 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-08 18:50:58 -0700 |
| commit | 1622605cf6e15bfdc55a3dc78b792018edded435 (patch) | |
| tree | c9ff2827d1f6f91501d9f5a05a71c8a3963f1455 | |
| parent | 832504933757ba7913bf64cd574326e014215b41 (diff) | |
| download | linux-3.10-1622605cf6e15bfdc55a3dc78b792018edded435.tar.gz linux-3.10-1622605cf6e15bfdc55a3dc78b792018edded435.tar.bz2 linux-3.10-1622605cf6e15bfdc55a3dc78b792018edded435.zip | |
[PATCH] arm: it's OK to pass pointer to volatile as iounmap() argument...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/arm/mm/ioremap.c | 6 | ||||
| -rw-r--r-- | include/asm-arm/io.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 591fc3187c7..46544059279 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -361,14 +361,14 @@ __ioremap(unsigned long phys_addr, size_t size, unsigned long flags) } EXPORT_SYMBOL(__ioremap); -void __iounmap(void __iomem *addr) +void __iounmap(volatile void __iomem *addr) { #ifndef CONFIG_SMP struct vm_struct **p, *tmp; #endif unsigned int section_mapping = 0; - addr = (void __iomem *)(PAGE_MASK & (unsigned long)addr); + addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long)addr); #ifndef CONFIG_SMP /* @@ -395,6 +395,6 @@ void __iounmap(void __iomem *addr) #endif if (!section_mapping) - vunmap(addr); + vunmap((void __force *)addr); } EXPORT_SYMBOL(__iounmap); diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 8076a85c367..34aaaac4f61 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -63,7 +63,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); */ extern void __iomem * __ioremap_pfn(unsigned long, unsigned long, size_t, unsigned long); extern void __iomem * __ioremap(unsigned long, size_t, unsigned long); -extern void __iounmap(void __iomem *addr); +extern void __iounmap(volatile void __iomem *addr); /* * Bad read/write accesses... |