From b0d5068a9c6a9cad8bdca13d5c578553fe2b315a Mon Sep 17 00:00:00 2001 From: Chanwoo Choi Date: Thu, 20 Mar 2014 11:59:11 +0900 Subject: [PATCH] PM / devfreq: exynos4: Add CONFIG_PM_OPP dependency to fix probe fail This patch add CONFIG_PM_OPP dependecy to exynos4_bus driver to fix probe fail as following log: [ 3.721389] exynos4-busfreq busfreq.3: Fail to add opp entries. [ 3.721697] exynos4-busfreq: probe of busfreq.3 failed with error -22 If CONFIG_PM_OPP is disabled, dev_pm_opp_find_freq_floor() in xxx_probe() will always return -EINVAL error. Signed-off-by: Chanwoo Choi Reviewed-by: Tomasz Figa Signed-off-by: MyungJoo Ham --- drivers/devfreq/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 7d2f43550700..b2de2a1a19ac 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -70,6 +70,7 @@ config ARM_EXYNOS4_BUS_DEVFREQ depends on (CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM select ARCH_HAS_OPP select DEVFREQ_GOV_SIMPLE_ONDEMAND + select PM_OPP help This adds the DEVFREQ driver for Exynos4210 memory bus (vdd_int) and Exynos4212/4412 memory interface and bus (vdd_mif + vdd_int).