From: Leela Krishna Amudala <leela.krishna@xxxxxxxxxx>
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 <leela.krishna@xxxxxxxxxx>
Signed-off-by: Abhilash Kesavan <a.kesavan@xxxxxxxxxxx>
---
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
--
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