linux-kernel - [PATCH 1/2] ARM: exynos_defconfig: Enable CPU idle

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Message-id: <1424854103-11028-1-git-send-email-k.kozlowski@samsung.com>
Date:	Wed, 25 Feb 2015 09:48:22 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Kukjin Kim <kgene@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH 1/2] 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@...sung.com>
---
 arch/arm/configs/exynos_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 70e5d0bdb4e4..7e0622a36da9 100644
--- 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
-- 
1.9.1

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