From: Tony Lindgren <tony@atomide.com>
To: "Pali Rohár" <pali.rohar@gmail.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>,
Sebastian Reichel <sre@kernel.org>,
Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
Pavel Machek <pavel@ucw.cz>, Aaro Koskinen <aaro.koskinen@iki.fi>,
Nishanth Menon <nm@ti.com>,
linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Missing OMAP PM layer
Date: Mon, 25 Jan 2016 08:34:42 -0800 [thread overview]
Message-ID: <20160125163442.GU19432@atomide.com> (raw)
In-Reply-To: <201601242123.58871@pali>
* 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.
Kevin, care to descrbibe what should be done here?
Regards,
Tony
next prev parent reply other threads:[~2016-01-25 16:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-24 20:23 Missing OMAP PM layer Pali Rohár
2016-01-25 16:34 ` Tony Lindgren [this message]
2016-01-25 17:24 ` Pali Rohár
2016-01-25 18:16 ` Kevin Hilman
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