ARM: multi_v7_defconfig: Enable CPU idle for exynos SoCs

Current Exynos CPU idle driver supports entering AFTR (Arm Off, Top
Running) mode on Exynos3250, Exynos4210 (coupled), Exynos4x12 and
Exynos5250. Enable it in default configuration to reduce energy
consumption.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 5635961b6c0270c86ef9d8b8c928eb86c052f0c4..e9f79cf001cd1df24a21b526784b7de6941fc1d8 100644 (file)
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -123,6 +123,7 @@ CONFIG_CPU_IDLE=y
 CONFIG_NEON=y
 CONFIG_KERNEL_MODE_NEON=y
 CONFIG_ARM_ZYNQ_CPUIDLE=y
+CONFIG_ARM_EXYNOS_CPUIDLE=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y