>On 2018-12-05 12:05, Lukasz Luba wrote: >> Devfreq framework supports suspend of its devices. >> Call the the devfreq interface and allow devfreq devices preserve/restore >> their states during suspend/resume. >> >> Suggested-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx> >> Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> >> Signed-off-by: Lukasz Luba <l.luba@xxxxxxxxxxxxxxxxxxx> This looks all good to me. Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> >> --- >> drivers/base/power/main.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c >> index a690fd4..0992e67 100644 >> --- a/drivers/base/power/main.c >> +++ b/drivers/base/power/main.c >> @@ -32,6 +32,7 @@ >> #include <trace/events/power.h> >> #include <linux/cpufreq.h> >> #include <linux/cpuidle.h> >> +#include <linux/devfreq.h> >> #include <linux/timer.h> >> >> #include "../base.h" >> @@ -1078,6 +1079,7 @@ void dpm_resume(pm_message_t state) >> dpm_show_time(starttime, state, 0, NULL); >> >> cpufreq_resume(); >> + devfreq_resume(); >> trace_suspend_resume(TPS("dpm_resume"), state.event, false); >> } >> >> @@ -1852,6 +1854,7 @@ int dpm_suspend(pm_message_t state) >> trace_suspend_resume(TPS("dpm_suspend"), state.event, true); >> might_sleep(); >> >> + devfreq_suspend(); >> cpufreq_suspend(); >> >> mutex_lock(&dpm_list_mtx);