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cpuidle:AFTR: Enable STANDBY_WFI0 and STANDBY_WFE0 for cpu0 in AFTR mode
author
Lukasz Majewski
<l.majewski@samsung.com>
Fri, 11 Apr 2014 11:52:09 +0000
(13:52 +0200)
committer
Chanho Park
<chanho61.park@samsung.com>
Tue, 18 Nov 2014 02:47:28 +0000
(11:47 +0900)
Enabling of CORE0 idle state is based on the state of STANDBYWFI/STANDBYWFE
internal signal.
Change-Id: I43675fa312ce879f3741644057991bdb33f6cd55
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
arch/arm/mach-exynos/cpuidle.c
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diff --git
a/arch/arm/mach-exynos/cpuidle.c
b/arch/arm/mach-exynos/cpuidle.c
index
11c3db7
..
ca26770
100644
(file)
--- a/
arch/arm/mach-exynos/cpuidle.c
+++ b/
arch/arm/mach-exynos/cpuidle.c
@@
-107,6
+107,10
@@
static int exynos4_enter_core0_aftr(struct cpuidle_device *dev,
{
unsigned long tmp;
+ if (soc_is_exynos4412())
+ __raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0,
+ S5P_CENTRAL_SEQ_OPTION);
+
exynos4_set_wakeupmask();
/* Set value of power down register for aftr mode */