Re: APM depends on PM_SLEEP?

Rafael J. Wysocki
2008-02-20T23:56:26Z

On Thursday, 21 of February 2008, Guennadi Liakhovetski wrote:
> On Wed, 20 Feb 2008, Rafael J. Wysocki wrote:
>
> > On Tuesday, 19 of February 2008, Guennadi Liakhovetski wrote:
> > > Hi
> >
> > Hi,
> >
> > > Could anyone explain me why APM depends on PM_SLEEP?
> >
> > Because it refers to the code in drivers/base/power/main.c that depends on
> > PM_SLEEP.
> >
> > > Isn't it a valid configuration, when I don't want to sleep / suspend, but
> > > need APM to, say, turn my machine off using
> > > APM_REAL_MODE_POWER_OFF, or if I need APM_DISPLAY_BLANK?
> >
> > Yes, in theory, but that would require some more fine-grained #ifdeffing or
> > something similar.
>
> As we see, for example, here:
>
> http://www.uwsg.indiana.edu/hypermail/linux/kernel/0802.2/2215.html
>
> it also happens in practice.

There are configurations in which it doesn't compile when this dependency
is removed.

I'm not an APM developer/maintainer/whatever and I have _much_ more urgent
things to take care of than this one.

Thanks,
Rafael