ARM: shmobile: armadillo800eva: enable branch prediction on defconfig
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Fri, 22 Feb 2013 04:46:19 +0000 (20:46 -0800)
committerSimon Horman <horms+renesas@verge.net.au>
Thu, 14 Mar 2013 09:28:04 +0000 (10:28 +0100)
Because defconfig disabled ARM branch prediction
by CONFIG_CPU_BPREDICT_DISABLE,
Armadillo800eva's Bogomips and Loop were not good performance.
This patch enabled Arm branch prediction.
Special thanks to Ishiyama-san

Reported-by: Kiyoshi Ishiyama <kiyoshi.ishiyama.wg@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Kiyoshi Ishiyama <kiyoshi.ishiyama.wg@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/configs/armadillo800eva_defconfig

index 0cc8014..c402294 100644 (file)
@@ -20,7 +20,6 @@ CONFIG_ARCH_R8A7740=y
 CONFIG_MACH_ARMADILLO800EVA=y
 # CONFIG_SH_TIMER_TMU is not set
 CONFIG_ARM_THUMB=y
-CONFIG_CPU_BPREDICT_DISABLE=y
 CONFIG_CACHE_L2X0=y
 CONFIG_ARM_ERRATA_430973=y
 CONFIG_ARM_ERRATA_458693=y