linux-kernel - Re: [RFC][PATCH 1/2] PM: Add support for device power domains

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Date:	Tue, 15 Feb 2011 22:40:02 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	Kevin Hilman <khilman@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Greg KH <greg@...ah.com>, LKML <linux-kernel@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Len Brown <lenb@...nel.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [RFC][PATCH 1/2] PM: Add support for device power domains

On Tuesday, February 15, 2011, Alan Stern wrote:
> On Mon, 14 Feb 2011, Rafael J. Wysocki wrote:
> 
> > > I don't have a clear picture of how people are going to want to use 
> > > these dev_power_domain structures.  Should there be a
> > > 
> > > 	void			*priv;
> > > 
> > > member as well?
> > 
> > Well, I'm not sure.  What would be the purpose of it?
> 
> It's easy to imagine an SoC with multiple power domains and hence
> multiple structures.  The platform code would need some way to tell
> those structures apart.  But we should get some advice from the people
> who will actually have to use these things...

Well, anyway I think it should be easy to add a priv pointer at any time later
if there's a use case?

Rafael
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