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PM / devfreq: exynos4: Add CONFIG_PM_OPP dependency to fix probe fail

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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 <[email protected]>
Reviewed-by: Tomasz Figa <[email protected]>
Signed-off-by: MyungJoo Ham <[email protected]>
This commit is contained in:
Chanwoo Choi 2014-03-20 11:59:11 +09:00 • committed by MyungJoo Ham
commit b0d5068a9c
1 changed files with 1 additions and 0 deletions
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1
drivers/devfreq/Kconfig
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@ -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).