> Subject: Re: [PATCH 0/6] Add RZ/V2M Compare-Match Timer (TIM) support > > On Tue, Dec 06 2022 at 09:40, Geert Uytterhoeven wrote: > > On Tue, Dec 6, 2022 at 9:13 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > wrote: > >> > Do you have any use case to really switch. Doing so disables the > >> > vDSO access to the clocksource. > >> > >> Not really. Architecture timer should be sufficient for clocksource. > > > > When multiple clocksources are registered, the clocksource subsystems > > picks the best one anyway, right? > > As it does for the clock event devices. If there is an architected timer > then that should be always preferred. > > No idea why there is a need for the extra hardware and the drivers which > are both never utilized. Maybe, if you use secure OS, this timer hardware can be used there. If you use PM deep states, Maybe, it could be used as broadcast event for waking up the system?? Cheers, Biju
