parisc: 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@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 226f8ca993f69372016e634e345cf1d3a139cdb5..be2c50ddebd61d3edecda94d7471f9c35ca1de5d 100644 (file)
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -126,6 +126,12 @@ static __inline__ int atomic_##op##_return(int i, atomic_t *v)             \
 ATOMIC_OPS(add, +=)
 ATOMIC_OPS(sub, -=)
 
+#define CONFIG_ARCH_HAS_ATOMIC_OR
+
+ATOMIC_OP(and, &=)
+ATOMIC_OP(or, |=)
+ATOMIC_OP(xor, ^=)
+
 #undef ATOMIC_OPS
 #undef ATOMIC_OP_RETURN
 #undef ATOMIC_OP
@@ -185,6 +191,9 @@ static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v)  \
 
 ATOMIC64_OPS(add, +=)
 ATOMIC64_OPS(sub, -=)
+ATOMIC64_OP(and, &=)
+ATOMIC64_OP(or, |=)
+ATOMIC64_OP(xor, ^=)
 
 #undef ATOMIC64_OPS
 #undef ATOMIC64_OP_RETURN