Re: [PATCH 5] PM: Update comments describing device power management callbacks

From: Rafael J. Wysocki
Date: Wed Nov 23 2011 - 14:58:49 EST


On Wednesday, November 23, 2011, Alan Stern wrote:
> On Wed, 23 Nov 2011, Rafael J. Wysocki wrote:
>
> > On Tuesday, November 22, 2011, Alan Stern wrote:
> > > On Tue, 22 Nov 2011, Rafael J. Wysocki wrote:
> > >
> > > > > The same data structure (dev_pm_ops) is used for both drivers and
> > > > > subsystems. Therefore the comments should be directed toward both
> > > > > driver writers and subsystem writers.
> > > >
> > > > I don't quite agree. Trying to do so would turn that comment into a lengthy
> > > > document and there's no room for anything like that in the header file.
> > >
> > > That's a good point.
> > >
> > > > Perhaps I'll just modify the comment to say when the callbacks are executed
> > > > without specifying what the specific callbacks are supposed to do (because
> > > > that may vary from one subsystem to another and even between different
> > > > drivers belonging to the same subsystem). If PM domains are taken into
> > > > account, it gets even more complicated.
> > >
> > > Yes, a minimal description would be good, along with a pointer to the
> > > Documentation/power files.
> >
> > Well, the one below is not exactly minimal, but I think it doesn't go too
> > far at least.
>
> Yes, I like this version better.

Great, thanks!

Rafael
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