* Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> [211007 17:57]: > Hi Tony, > > On Thu, Oct 7, 2021 at 7:24 PM Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > * Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> [211007 13:27]: > > > On Thu, Oct 7, 2021 at 2:49 PM Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > > Even without clocks and power domains configured, simple-pm-bus is still > > > > different from simple-bus as simple-pm-bus enables runtime PM for the bus > > > > driver. > > > > > > Which you need to have working Runtime PM for child devices, right? ;-) > > > > Right. And based on what I remember we simply cannot do pm_runtime_enable() > > for simple-bus without breaking tons of devices. > > Why not? Do you have an example of what would break? > The only reason I created simple-pm-bus was because the DT people > objected to adding PM to simple-bus, as they considered it wrong > conceptually. AFAIK this wouldn't have caused any actual breakage. Oh OK, then I just remember the reasons wrong for the need for adding it as a driver. Regards, Tony
