ARM: exynos_defconfig: Enable CPU idle

Current Exynos CPU idle driver supports entering AFTR (Arm Off, Top
Running) mode on Exynos 4210 (coupled), Exynos 4x12 and Exynos 5250.
Enable it in default configuration to reduce energy consumption.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index b3ec9d45ca587b510f9b00bb36f8ea1af5fec4b8..2c234f1d54e639f47df790c3125d5a69ee6a23f2 100644 (file)
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -26,6 +26,8 @@ CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_ARM_ATAG_DTB_COMPAT=y
 CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
+CONFIG_CPU_IDLE=y
+CONFIG_ARM_EXYNOS_CPUIDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y
 CONFIG_PM=y