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Date:	Thu, 20 Mar 2014 11:59:13 +0900
From:	Chanwoo Choi <>
	Chanwoo Choi <>
Subject: [PATCHv4 5/5] devfreq: exynos5: Add CONFIG_PM_OPP dependency to fix
 probe fail

This patch add CONFIG_PM_OPP dependecy to exynos5_bus driver
to fix probe fail. If CONFIG_PM_OPP is disabled, dev_pm_opp_find_freq_floor()
will always return ERR_PTR(-EINVAL) error.

Signed-off-by: Chanwoo Choi <>
 drivers/devfreq/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index b2de2a1..c023c57 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -84,6 +84,7 @@ config ARM_EXYNOS5_BUS_DEVFREQ
 	depends on SOC_EXYNOS5250
 	select ARCH_HAS_OPP
+	select PM_OPP
 	  This adds the DEVFREQ driver for Exynos5250 bus interface (vdd_int).
 	  It reads PPMU counters of memory controllers and adjusts the

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