From cfdda3535f87e752780ca18a57d13db58f6a6913 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 18 Mar 2015 03:26:11 +0900 Subject: ARM: EXYNOS: Fix build breakage cpuidle on !SMP The Exynos cpuidle driver has coupled cpuidle built-in so it cannot be built without SMP: arch/arm/mach-exynos/pm.c: In function 'exynos_cpu0_enter_aftr': arch/arm/mach-exynos/pm.c:246:4: error: implicit declaration of function 'arch_send_wakeup_ipi_mask' [-Werror=implicit-function-declaration] arch/arm/mach-exynos/built-in.o: In function 'exynos_pre_enter_aftr': ../arch/arm/mach-exynos/pm.c:300: undefined reference to 'cpu_boot_reg_base' arch/arm/mach-exynos/built-in.o: In function 'exynos_cpu1_powerdown': ../arch/arm/mach-exynos/pm.c:282: undefined reference to 'exynos_cpu_power_down' Fix it by adding missing checks for SMP. Reported-by: Krzysztof Kozlowski Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Kukjin Kim --- drivers/cpuidle/cpuidle-exynos.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/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, -- cgit v1.2.3