Hi Rafael, Gentle ping... Please take this patch, it got ACK. The other patches have been taken through MyungJoo's tree, but this one is actually enabling the feature. Regards, Lukasz On 12/21/18 1:33 AM, MyungJoo Ham wrote: >> 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); > >