Merge tag 'pullreq_20171026' of https://git./linux/kernel/git/mzx/devfreq into pm-devfreq
Pull devfreq changes for v4.15 from MyungJoo Ham.
* tag 'pullreq_20171026' of https://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq:
PM / devfreq: Define the constant governor name
PM / devfreq: Remove unneeded conditional statement
PM / devfreq: Show the all available frequencies
PM / devfreq: Change return type of devfreq_set_freq_table()
PM / devfreq: Use the available min/max frequency
Revert "PM / devfreq: Add show_one macro to delete the duplicate code"
PM / devfreq: Set min/max_freq when adding the devfreq device