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 <cw00.choi@xxxxxxxxxxx> --- drivers/devfreq/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 7d2f435..b2de2a1 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). -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
