Hi Jonghwa,

FYI, there are new sparse warnings show up in

tree:   git://git.infradead.org/users/kmpark/linux-samsung devfreq-for-next
head:   90609cd121f47446e6a04862214423dbc75bd493
commit: 4b77f78761889635ba1abd2f4ec1e7f45012e48c [3/5] devfreq: Add sysfs node for representing frequency transition information.

All sparse warnings:

+ drivers/devfreq/devfreq.c:75:5: sparse: symbol 'devfreq_get_freq_level' was not declared. Should it be static?
+ drivers/devfreq/devfreq.c:86:5: sparse: symbol 'devfreq_update_status' was not declared. Should it be static?

vim +75 drivers/devfreq/devfreq.c
    72		return ERR_PTR(-ENODEV);
    73	}
    74	
  > 75	int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq)
    76	{
    77		int lev;
    78	

Please consider folding the attached diff :-)

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation