> > > On 5/10/20 11:02 am, Avri Altman wrote: > > HI, > > > >> Drivers that wish to support DeepSleep need to set a new capability flag > >> UFSHCD_CAP_DEEPSLEEP and provide a hardware reset via the existing > >> ->device_reset() callback. > > I would expect that this capability controls sending SSU 4, but it only controls > the sysfs entry? > > The sysfs entry is the only way to request DeepSleep. Some chipset vendors use their own modules, or even the device tree to set their default rpm_lvl / spm_lvl. Thanks, Avri
