diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 9e9dfdfad9d7..4031a96c904b 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -211,7 +211,7 @@ static void __init exynos_dt_machine_init(void) if (!IS_ENABLED(CONFIG_SMP)) exynos_sysram_init(); -#ifdef CONFIG_ARM_EXYNOS_CPUIDLE +#if defined(CONFIG_SMP) && defined(CONFIG_ARM_EXYNOS_CPUIDLE) if (of_machine_is_compatible("samsung,exynos4210")) exynos_cpuidle.dev.platform_data = &cpuidle_coupled_exynos_data; #endif diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index e6209dadc00d..5685250693fd 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -181,6 +181,7 @@ void exynos_enter_aftr(void) cpu_pm_exit(); } +#if defined(CONFIG_SMP) && defined(CONFIG_ARM_EXYNOS_CPUIDLE) static atomic_t cpu1_wakeup = ATOMIC_INIT(0); static int exynos_cpu0_enter_aftr(void) @@ -302,3 +303,4 @@ struct cpuidle_exynos_data cpuidle_coupled_exynos_data = { .pre_enter_aftr = exynos_pre_enter_aftr, .post_enter_aftr = exynos_post_enter_aftr, }; +#endif /* CONFIG_SMP && CONFIG_ARM_EXYNOS_CPUIDLE */ diff --git a/drivers/cpuidle/cpuidle-exynos.c b/drivers/cpuidle/cpuidle-exynos.c index 26f5f29fdb03..9bb5348995a9 100644 --- a/drivers/cpuidle/cpuidle-exynos.c +++ b/drivers/cpuidle/cpuidle-exynos.c @@ -117,7 +117,8 @@ static int exynos_cpuidle_probe(struct platform_device *pdev) { int ret; - if (of_machine_is_compatible("samsung,exynos4210")) { + if (IS_ENABLED(CONFIG_SMP) && + of_machine_is_compatible("samsung,exynos4210")) { exynos_cpuidle_pdata = pdev->dev.platform_data; ret = cpuidle_register(&exynos_coupled_idle_driver,