* Keerthy <[email protected]> [180412 03:56]: > From: Russ Dill <[email protected]> > --- a/arch/arm/mach-omap2/powerdomain.c > +++ b/arch/arm/mach-omap2/powerdomain.c > @@ -1199,3 +1199,63 @@ bool pwrdm_can_ever_lose_context(struct powerdomain > *pwrdm) > > return 0; > } > + > +/** > + * pwrdm_save_context - save powerdomain registers > + * > + * Register state is going to be lost due to a suspend or hibernate > + * event. Save the powerdomain registers. > + */ > +static int pwrdm_save_context(struct powerdomain *pwrdm, void *unused) > +{ > + if (arch_pwrdm && arch_pwrdm->pwrdm_save_context) > + arch_pwrdm->pwrdm_save_context(pwrdm); > + return 0; > +} > + > +/** > + * pwrdm_save_context - restore powerdomain registers > + * > + * Restore powerdomain control registers after a suspend or resume > + * event. > + */ > +static int pwrdm_restore_context(struct powerdomain *pwrdm, void *unused) > +{ > + if (arch_pwrdm && arch_pwrdm->pwrdm_restore_context) > + arch_pwrdm->pwrdm_restore_context(pwrdm); > + return 0; > +}
Here too we should use notifiers with the idea being that it allows making powerdomains into a regular device driver eventually. Regards, Tony
