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PM / devfreq: Don't adjust to user limits in governors

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Several governors use the user space limits df->min/max_freq to adjust
the target frequency. This is not necessary, since update_devfreq()
already takes care of this. Instead the governor can request the available
min/max frequency by setting the target frequency to DEVFREQ_MIN/MAX_FREQ
and let update_devfreq() take care of any adjustments.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
Matthias Kaehlcke
2018-08-03 13:05:10 -07:00
committed by MyungJoo Ham
parent df5cf4a361
commit 6ff66e2a00
5 changed files with 12 additions and 26 deletions
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3
drivers/devfreq/governor.h
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@ -25,6 +25,9 @@
#define DEVFREQ_GOV_SUSPEND 0x4
#define DEVFREQ_GOV_RESUME 0x5
#define DEVFREQ_MIN_FREQ 0
#define DEVFREQ_MAX_FREQ ULONG_MAX
/**
* struct devfreq_governor - Devfreq policy governor
* @node: list node - contains registered devfreq governors