* Mark Rutland <mark.rutland@xxxxxxx> [170619 05:25]: > On Fri, Jun 16, 2017 at 05:07:40PM -0700, Florian Fainelli wrote: > > > > This is helpful in making SoC-specific power management code become true drivers > > that can be shared between different architectures. > > Could you elaborate on what this is needed for? > > My understanding was that on 32-bit, this was to handle idle / suspend > cases, whereas for arm64 that should be handled by PSCI. > > what exactly do you intend to use this for? Well idle / suspend can have multiple needs such as running core while DDR is in self-refresh mode and saving and restoring of some context registers in that state. Also clock drivers may need this to reprogram some core clocks. Regards, Tony