Messages in this thread | | | Date | Mon, 17 Nov 2014 09:01:35 +0100 | Subject | Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled | From | Geert Uytterhoeven <> |
| |
On Mon, Nov 17, 2014 at 2:22 AM, Rafael J. Wysocki <rjw@rjwysocki.net> wrote: > On Saturday, November 15, 2014 01:32:01 PM Geert Uytterhoeven wrote: >> On Fri, Nov 14, 2014 at 6:36 PM, Kevin Hilman <khilman@kernel.org> wrote: >> >> On Thu, Nov 13, 2014 at 11:28 PM, Kevin Hilman <khilman@kernel.org> wrote: >> >>> It makes little sense to use generic power domains without runtime PM. >> >> >> >> Does it? >> >> It still powers down the PM domains on system suspend (at least on my >> >> boards ;-) >> > >> > Sure, but your devices are also using runtime PM, so I'm not sure how >> > does that change my statement above? >> >> I do mean with CONFIG_PM_RUNTIME turned off. >> >> If PM domain support is disabled, s2ram will not power down the PM domains. > > But if PM_RUNTIME is enabled along with it, I don't think it will make much > of a different, will it?
That's true.
> Building the kernel with genpd and without PM_RUNTIME is possible today, > but is it really useful? To me, it only seems to make people try to > reinvent the wheel "because PM_RUNTIME may be unset". > > I have to say I'm seriously considering to make PM_SLEEP select > PM_RUNTIME too as that would make quite a few things a *lot* simpler.
I agree that it would simplify things, a reduce testing efforts.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
| |