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From: Adam Belay <ambx1@neo.rr.com>
To: David Brownell <david-b@pacbell.net>
Cc: linux-pm@lists.osdl.org
Subject: Re: [RFC] A New Power Management API
Date: Sun, 17 Apr 2005 19:01:48 -0400	[thread overview]
Message-ID: <20050417230147.GC7793@neo.rr.com> (raw)
In-Reply-To: <200504171529.17711.david-b@pacbell.net>

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On Sun, Apr 17, 2005 at 03:29:17PM -0700, David Brownell wrote:
> On Sunday 17 April 2005 1:48 pm, Adam Belay wrote:

> > 
> > So I think each clock could be a power resource.  It looks like the
> > current code isn't doing much more than turning them on and off. 
> 
> They should clk_use()/clk_unuse(), and automatically handle the
> activation/deactivation of parent clocks.  Some clocks are shared
> between multiple devices ... so "on/off" doesn't suffice, those
> devices' drivers rely on the clock framework to coordinate.  (Or
> were you thinking that on/off would match use/unuse?  There's no
> point to separate enable/disable calls IMO.)

Yes, I was thinking power resources could replace use/unuse.  So each device
could associate a list of required resources by state.  Then, when there
are not any devices in a state that requires a given resource, the resource
could be turned off.

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  reply	other threads:[~2005-04-17 23:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-15  2:46 [RFC] A New Power Management API Adam Belay
2005-04-15  8:21 ` Benjamin Herrenschmidt
2005-04-15 13:16 ` Daniel Petrini
2005-04-15 18:20   ` Adam Belay
2005-04-16 17:13   ` David Brownell
2005-04-17 20:26     ` Adam Belay
2005-04-15 15:50 ` Jordan Crouse
2005-04-15 18:54   ` Adam Belay
2005-04-16  2:53     ` Todd Poynor
2005-04-16 19:26       ` David Brownell
2005-04-19  3:09         ` Todd Poynor
2005-05-08 19:05           ` David Brownell
2005-04-16 18:24     ` David Brownell
2005-04-17 20:48       ` Adam Belay
2005-04-17 22:29         ` David Brownell
2005-04-17 23:01           ` Adam Belay [this message]
2005-04-16 17:27 ` David Brownell
2005-04-17 20:25   ` Adam Belay

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