[ARM] Kirkwood: small L2 code cleanup

Strictly speaking, a MCR instruction does not produce any output.

Signed-off-by: Nicolas Pitre <nico@marvell.com>

diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index 1afed50..6e77c04 100644 (file)
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -258,9 +258,7 @@ static void __init enable_dcache(void)
 
 static void __init __invalidate_icache(void)
 {
-       int dummy;
-
-       __asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : "=r" (dummy));
+       __asm__("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
 }
 
 static int __init invalidate_and_disable_icache(void)