> > Asking linux-pm for help here: If we want to support RuntimePM for I2C > > clients, do we need to enable RuntimePM on the logical I2C adapter > > device (the bus master) which is already marked using > > pm_runtime_no_callbacks? > > In theory you don't need to. But there are some advantages if you do: > You get automatic runtime PM time accounting for the adapter device > (how much time active and how much suspended), and suspend events will > propagate from the I2C clients all the way up to the adapter's parent. That's exactly what I want. Thank you very much!
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