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Groups > linux.kernel > #1317109

Re: Missing OMAP PM layer

From Pali Rohár <pali.rohar@gmail.com>
Newsgroups linux.kernel
Subject Re: Missing OMAP PM layer
Date 2016-01-25 18:30 +0100
Message-ID <qUT7K-7lX-49@gated-at.bofh.it> (permalink)
References <qUzsm-1Ab-13@gated-at.bofh.it> <qUSll-6Ia-37@gated-at.bofh.it>
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On Monday 25 January 2016 17:34:42 Tony Lindgren wrote:
> * Pali Rohár <pali.rohar@gmail.com> [160124 12:24]:
> > Hello,
> > 
> > make menuconfig allows me to choose "OMAP PM layer selection" and
> > the only one option is CONFIG_OMAP_PM_NOOP "No-op/debug PM layer".
> > 
> > What does it mean? Power manager is noop?
> > 
> > I see that it has only two corresponding files in mainline kernel:
> > arch/arm/mach-omap2/omap-pm.h
> > arch/arm/mach-omap2/omap-pm-noop.c
> > 
> > Nokia's kernels (for N900 and N950) had also:
> > arch/arm/mach-omap2/omap-pm-srf.c
> > 
> > Can somebody explain it what happened with omap power management?
> > 
> > Looks like that omap-pm.h provides some API, but the only
> > implementation is noop which do nothing.
> 
> I believe none of that is needed any longer in mainline.

Ok, and what was that omap-pm? Do you know what Nokia omap-pm-srf.c do?

-- 
Pali Rohár
pali.rohar@gmail.com

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Thread

Missing OMAP PM layer Pali Rohár <pali.rohar@gmail.com> - 2016-01-24 21:30 +0100
  Re: Missing OMAP PM layer Tony Lindgren <tony@atomide.com> - 2016-01-25 17:40 +0100
    Re: Missing OMAP PM layer Pali Rohár <pali.rohar@gmail.com> - 2016-01-25 18:30 +0100
    Re: Missing OMAP PM layer Kevin Hilman <khilman@baylibre.com> - 2016-01-25 19:20 +0100

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