Commit-ID: f8a570e270bf62363cd498ac2ac8ea07a76ad4d6
Gitweb: http://git.kernel.org/tip/f8a570e270bf62363cd498ac2ac8ea07a76ad4d6
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Wed, 23 Apr 2014 20:02:20 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 27 Jul 2015 14:06:22 +0200
avr32: Provide atomic_{or,xor,and}
Implement atomic logic ops -- atomic_{or,xor,and}.
These will replace the atomic_{set,clear}_mask functions that are
available on some archs.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/avr32/include/asm/atomic.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index 2d07ce1..115d300 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -44,6 +44,20 @@ static inline int __atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OP_RETURN(sub, sub, rKs21)
ATOMIC_OP_RETURN(add, add, r)
+#define ATOMIC_OP(op, asm_op) \
+ATOMIC_OP_RETURN(op, asm_op, r) \
+static inline void atomic_##op(int i, atomic_t *v) \
+{ \
+ (void)__atomic_##op##_return(i, v); \
+}
+
+#define CONFIG_ARCH_HAS_ATOMIC_OR
+
+ATOMIC_OP(and, and)
+ATOMIC_OP(or, or)
+ATOMIC_OP(xor, eor)
+
+#undef ATOMIC_OP
#undef ATOMIC_OP_RETURN
/*
--
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