On Thu, 1 Jul 2010, Raj Kumar wrote: > Hi, > > > > yeah, mostly run time power management will be helpful for embedded devices where the power management is > > crucial because then individual peripherals can be suspended and it saves a power. Because with run time power > > management clock and power domains are easier to manage. > > > > But the thing is if driver goes for runtime_suspend and runtime_resume, > > > > then is the runtime_idle is also mandatory to implement? because i have seen if run time suspend is failed due to > > EAGAIN and EBUSY, it will notify via __pm_runtime_idle i guess this notification is valid for bus drivers. runtime_idle is not mandatory. > The another question is suppose there are multiple power domains, then with run time power management require > > one bus driver corresponding to each power domain? right? No, you can use the same driver for multiple power domains. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
