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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 17:41:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 17:41:04 -0700
commit69f1d1a6acbaa7d83ef3f4ee26209c58cd000204 (patch)
tree12be981f8a123b8361edd64b84fd72f339a9655d /arch/arm/mach-exynos4/hotplug.c
parent2d86a3f04e345b03d5e429bfe14985ce26bff4dc (diff)
parent1e09939bad24df95ddeeeca4fbec64fa94b66def (diff)
Merge branch 'next/devel' of ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/devel' of ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (128 commits) ARM: S5P64X0: External Interrupt Support ARM: EXYNOS4: Enable MFC on Samsung NURI ARM: EXYNOS4: Enable MFC on universal_c210 ARM: S5PV210: Enable MFC on Goni ARM: S5P: Add support for MFC device ARM: EXYNOS4: Add support FIMD on SMDKC210 ARM: EXYNOS4: Add platform device and helper functions for FIMD ARM: EXYNOS4: Add resource definition for FIMD ARM: EXYNOS4: Change devname for FIMD clkdev ARM: SAMSUNG: Add IRQ_I2S0 definition ARM: SAMSUNG: Add platform device for idma ARM: EXYNOS4: Add more registers to be saved and restored for PM ARM: EXYNOS4: Add more register addresses of CMU ARM: EXYNOS4: Add platform device for dwmci driver ARM: EXYNOS4: configure rtc-s3c on NURI ARM: EXYNOS4: configure MAX8903 secondary charger on NURI ARM: EXYNOS4: configure ADC on NURI ARM: EXYNOS4: configure MAX17042 fuel gauge on NURI ARM: EXYNOS4: configure regulators and PMIC(MAX8997) on NURI ARM: EXYNOS4: Increase NR_IRQS for devices with more IRQs ... Fix up tons of silly conflicts: - arch/arm/mach-davinci/include/mach/psc.h - arch/arm/mach-exynos4/Kconfig - arch/arm/mach-exynos4/mach-smdkc210.c - arch/arm/mach-exynos4/pm.c - arch/arm/mach-imx/mm-imx1.c - arch/arm/mach-imx/mm-imx21.c - arch/arm/mach-imx/mm-imx25.c - arch/arm/mach-imx/mm-imx27.c - arch/arm/mach-imx/mm-imx31.c - arch/arm/mach-imx/mm-imx35.c - arch/arm/mach-mx5/mm.c - arch/arm/mach-s5pv210/mach-goni.c - arch/arm/mm/Kconfig
Diffstat (limited to 'arch/arm/mach-exynos4/hotplug.c')
-rw-r--r--arch/arm/mach-exynos4/hotplug.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/mach-exynos4/hotplug.c b/arch/arm/mach-exynos4/hotplug.c
index 2b5909e2ccd3..7490789784c9 100644
--- a/arch/arm/mach-exynos4/hotplug.c
+++ b/arch/arm/mach-exynos4/hotplug.c
@@ -13,9 +13,12 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/smp.h>
+#include <linux/io.h>
#include <asm/cacheflush.h>
+#include <mach/regs-pmu.h>
+
extern volatile int pen_release;
static inline void cpu_enter_lowpower(void)
@@ -58,12 +61,12 @@ static inline void cpu_leave_lowpower(void)
static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
{
- /*
- * there is no power-control hardware on this platform, so all
- * we can do is put the core into WFI; this is safe as the calling
- * code will have already disabled interrupts
- */
for (;;) {
+
+ /* make cpu1 to be turned off at next WFI command */
+ if (cpu == 1)
+ __raw_writel(0, S5P_ARM_CORE1_CONFIGURATION);
+
/*
* here's the WFI
*/