From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 23 Apr 2014 17:47:25 +0000 (+0200)
Subject: parisc: Provide atomic_{or,xor,and}
X-Git-Tag: v4.14-rc1~4452^2~33^2~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aebea9359623b58b54242e5daa24e09d6104977b;p=platform%2Fkernel%2Flinux-rpi.git

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 226f8ca9..be2c50d 100644
--- 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