From: Will Deacon <will.deacon@arm.com>
Date: Wed, 26 Jun 2013 15:47:35 +0000 (+0100)
Subject: ARM: prefetch: remove redundant "cc" clobber
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e744dff72bcd4d9588af91e1feb662702222ca12;p=linux-beck.git

ARM: prefetch: remove redundant "cc" clobber

The pld instruction does not affect the condition flags, so don't bother
clobbering them.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 413f3876341c..514a989cbd4b 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -97,9 +97,7 @@ static inline void prefetch(const void *ptr)
 {
 	__asm__ __volatile__(
 		"pld\t%a0"
-		:
-		: "p" (ptr)
-		: "cc");
+		:: "p" (ptr));
 }
 
 #define ARCH_HAS_PREFETCHW