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authorIgor Opaniuk <igor.opaniuk@toradex.com>2020-11-17 14:38:38 +0200
committerIgor Opaniuk <igor.opaniuk@toradex.com>2020-11-17 14:38:38 +0200
commit8bb9d758833ea1d0622277981b5225980ba0a42d (patch)
tree2281499b2970e563f522db7ebc9d03bebfda4bfa /arch/parisc/include/asm/cmpxchg.h
parent0316046d152a1817bd0b4faff8e34c212a936a5e (diff)
parent3b59d4725be760cd276094079b4fbe7bd44e1464 (diff)
Merge branch 'toradex_5.4-2.1.x-imx' into HEAD
Diffstat (limited to 'arch/parisc/include/asm/cmpxchg.h')
-rw-r--r--arch/parisc/include/asm/cmpxchg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h
index ab5c215cf46c..068958575871 100644
--- a/arch/parisc/include/asm/cmpxchg.h
+++ b/arch/parisc/include/asm/cmpxchg.h
@@ -60,6 +60,7 @@ extern void __cmpxchg_called_with_bad_pointer(void);
extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old,
unsigned int new_);
extern u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new_);
+extern u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new_);
/* don't worry...optimizer will get rid of most of this */
static inline unsigned long
@@ -71,6 +72,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
#endif
case 4: return __cmpxchg_u32((unsigned int *)ptr,
(unsigned int)old, (unsigned int)new_);
+ case 1: return __cmpxchg_u8((u8 *)ptr, (u8)old, (u8)new_);
}
__cmpxchg_called_with_bad_pointer();
return old;