From: Chanwoo Choi <cw00.choi@samsung.com>
Date: Thu, 20 Mar 2014 02:59:11 +0000 (+0900)
Subject: PM / devfreq: exynos4: Add CONFIG_PM_OPP dependency to fix probe fail
X-Git-Tag: v3.16-rc1~30^2~5^2~2^2^2~12
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b0d5068a9c6a9cad8bdca13d5c578553fe2b315a;p=linux.git

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 <cw00.choi@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
---

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).