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Diffstat (limited to 'arch/arm/mach-exynos/pm.c')
-rw-r--r--arch/arm/mach-exynos/pm.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 87c0d34c7fba..202ca73e49c4 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -300,7 +300,7 @@ static int exynos_pm_suspend(void)
tmp = (S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0);
__raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION);
- if (!soc_is_exynos5250())
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
exynos_cpu_save_register();
return 0;
@@ -334,7 +334,7 @@ static void exynos_pm_resume(void)
if (exynos_pm_central_resume())
goto early_wakeup;
- if (!soc_is_exynos5250())
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
exynos_cpu_restore_register();
/* For release retention */
@@ -353,7 +353,7 @@ static void exynos_pm_resume(void)
s3c_pm_do_restore_core(exynos_core_save, ARRAY_SIZE(exynos_core_save));
- if (!soc_is_exynos5250())
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
scu_enable(S5P_VA_SCU);
early_wakeup:
@@ -440,15 +440,18 @@ static int exynos_cpu_pm_notifier(struct notifier_block *self,
case CPU_PM_ENTER:
if (cpu == 0) {
exynos_pm_central_suspend();
- exynos_cpu_save_register();
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ exynos_cpu_save_register();
}
break;
case CPU_PM_EXIT:
if (cpu == 0) {
- if (!soc_is_exynos5250())
+ if (read_cpuid_part_number() ==
+ ARM_CPU_PART_CORTEX_A9) {
scu_enable(S5P_VA_SCU);
- exynos_cpu_restore_register();
+ exynos_cpu_restore_register();
+ }
exynos_pm_central_resume();
}
break;