From: Leela Krishna Amudala <[email protected]> Use generic exynos cpu power control functions to power up/down and to know the status of the cpu in platsmp and hotplug code.
Signed-off-by: Leela Krishna Amudala <[email protected]> Signed-off-by: Abhilash Kesavan <[email protected]> --- arch/arm/mach-exynos/hotplug.c | 2 +- arch/arm/mach-exynos/platsmp.c | 9 +++------ arch/arm/mach-exynos/regs-pmu.h | 3 --- 3 files changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c index 3cab3f5..69fa483 100644 --- a/arch/arm/mach-exynos/hotplug.c +++ b/arch/arm/mach-exynos/hotplug.c @@ -44,7 +44,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) /* make cpu1 to be turned off at next WFI command */ if (cpu == 1) - __raw_writel(0, S5P_ARM_CORE1_CONFIGURATION); + exynos_cpu_power_down(cpu); /* * here's the WFI diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 51cdabe..9c16da2 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -131,15 +131,12 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle) */ write_pen_release(phys_cpu); - if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) { - __raw_writel(S5P_CORE_LOCAL_PWR_EN, - S5P_ARM_CORE1_CONFIGURATION); - + if (!exynos_cpu_power_state(cpu)) { + exynos_cpu_power_up(cpu); timeout = 10; /* wait max 10 ms until cpu1 is on */ - while ((__raw_readl(S5P_ARM_CORE1_STATUS) - & S5P_CORE_LOCAL_PWR_EN) != S5P_CORE_LOCAL_PWR_EN) { + while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) { if (timeout-- == 0) break; diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h index 84634ac..98fb8d8 100644 --- a/arch/arm/mach-exynos/regs-pmu.h +++ b/arch/arm/mach-exynos/regs-pmu.h @@ -111,9 +111,6 @@ #define EXYNOS_ARM_CORE_STATUS(_nr) \ (EXYNOS_ARM_CORE_CONFIGURATION(_nr) + 0x4) -#define S5P_ARM_CORE1_CONFIGURATION S5P_PMUREG(0x2080) -#define S5P_ARM_CORE1_STATUS S5P_PMUREG(0x2084) - #define S5P_PAD_RET_MAUDIO_OPTION S5P_PMUREG(0x3028) #define S5P_PAD_RET_GPIO_OPTION S5P_PMUREG(0x3108) #define S5P_PAD_RET_UART_OPTION S5P_PMUREG(0x3128) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
