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[PATCH] uml: add __raw_writel definition

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Add implementations of the write* and __raw_write* functions.  __raw_writel is
needed by lib/iocopy.c, which shouldn't be used in UML, but which is
unconditionally linked in anyway.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2006-01-18 17:42:38 -08:00 committed by Linus Torvalds
parent 86c562a9d6
commit ea1eae75eb
1 changed files with 16 additions and 0 deletions
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16
include/asm-um/io.h
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@ -33,4 +33,20 @@ static inline void * phys_to_virt(unsigned long address)
*/
#define xlate_dev_kmem_ptr(p) p
static inline void writeb(unsigned char b, volatile void __iomem *addr)
{
*(volatile unsigned char __force *) addr = b;
}
static inline void writew(unsigned short b, volatile void __iomem *addr)
{
*(volatile unsigned short __force *) addr = b;
}
static inline void writel(unsigned int b, volatile void __iomem *addr)
{
*(volatile unsigned int __force *) addr = b;
}
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
#endif