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 413f387..514a989 100644 (file)
--- 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