diff options
author | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
commit | ca371d2854d48c0c22e7aa031df182f96dc85820 (patch) | |
tree | 1c62be8b4da0bfc82fa7ffa1ad5b0e958266cbd1 /arch/m68k/include/asm/atomic.h | |
parent | 0d376945d0bc0a8f8e00861d506b10e42e8af372 (diff) | |
parent | a0e86bd4252519321b0d102dc4ed90557aa7bee9 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts:
arch/arm/mach-shmobile/clock-sh73a0.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/m68k/include/asm/atomic.h')
-rw-r--r-- | arch/m68k/include/asm/atomic.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index 65c6be6c8180..4eba796c00d4 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -55,6 +55,16 @@ static inline int atomic_dec_and_test(atomic_t *v) return c != 0; } +static inline int atomic_dec_and_test_lt(atomic_t *v) +{ + char c; + __asm__ __volatile__( + "subql #1,%1; slt %0" + : "=d" (c), "=m" (*v) + : "m" (*v)); + return c != 0; +} + static inline int atomic_inc_and_test(atomic_t *v) { char c; |