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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /include/asm-sh/cmpxchg-irq.h | |
| parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
| parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
| download | kernel_samsung_smdk4412-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip kernel_samsung_smdk4412-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.gz kernel_samsung_smdk4412-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'include/asm-sh/cmpxchg-irq.h')
| -rw-r--r-- | include/asm-sh/cmpxchg-irq.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/include/asm-sh/cmpxchg-irq.h b/include/asm-sh/cmpxchg-irq.h deleted file mode 100644 index 43049ec..0000000 --- a/include/asm-sh/cmpxchg-irq.h +++ /dev/null @@ -1,40 +0,0 @@ -#ifndef __ASM_SH_CMPXCHG_IRQ_H -#define __ASM_SH_CMPXCHG_IRQ_H - -static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val) -{ - unsigned long flags, retval; - - local_irq_save(flags); - retval = *m; - *m = val; - local_irq_restore(flags); - return retval; -} - -static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val) -{ - unsigned long flags, retval; - - local_irq_save(flags); - retval = *m; - *m = val & 0xff; - local_irq_restore(flags); - return retval; -} - -static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, - unsigned long new) -{ - __u32 retval; - unsigned long flags; - - local_irq_save(flags); - retval = *m; - if (retval == old) - *m = new; - local_irq_restore(flags); /* implies memory barrier */ - return retval; -} - -#endif /* __ASM_SH_CMPXCHG_IRQ_H */ |