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-Tag: sz_173~24
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;ds=sidebyside;h=99da2518f6eca8069b192df95f02c04012b8809d;p=pandora-kernel.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 335245198916..b81b61ccf5ef 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -106,9 +106,7 @@ static inline void prefetch(const void *ptr)
 {
 	__asm__ __volatile__(
 		"pld\t%a0"
-		:
-		: "p" (ptr)
-		: "cc");
+		:: "p" (ptr));
 }
 
 #define ARCH_HAS_PREFETCHW