diff options
| author | Rich Felker <dalias@libc.org> | 2016-07-28 21:21:10 +0200 |
|---|---|---|
| committer | Rich Felker <dalias@libc.org> | 2016-08-05 05:29:34 +0200 |
| commit | 2b47d54ed41c33baf5825185168b493317c5572f (patch) | |
| tree | a42a2098fa73f41d6d5b214e1eeca5712d419551 /arch/sh/include/asm/atomic.h | |
| parent | sh: add AT_HWCAP flag for J-Core cas.l instruction (diff) | |
| download | linux-2b47d54ed41c33baf5825185168b493317c5572f.tar.xz linux-2b47d54ed41c33baf5825185168b493317c5572f.zip | |
sh: add J2 atomics using the cas.l instruction
Signed-off-by: Rich Felker <dalias@libc.org>
Diffstat (limited to 'arch/sh/include/asm/atomic.h')
| -rw-r--r-- | arch/sh/include/asm/atomic.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index c399e1c55685..8a7bd80c8b33 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -1,6 +1,12 @@ #ifndef __ASM_SH_ATOMIC_H #define __ASM_SH_ATOMIC_H +#if defined(CONFIG_CPU_J2) + +#include <asm-generic/atomic.h> + +#else + /* * Atomic operations that C can't guarantee us. Useful for * resource counting etc.. @@ -63,4 +69,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) return c; } +#endif /* CONFIG_CPU_J2 */ + #endif /* __ASM_SH_ATOMIC_H */ |