lkml.org 
[lkml]   [2009]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] Add SIMPLE_PM_OPS: make switching to dev_pm_ops less error-prone
Date
On Wednesday 05 August 2009, Albin Tonnerre wrote:
> On Tue, Aug 04, 2009 at 09:55:33PM -0700, Dmitry Torokhov wrote :
> > On Tue, Aug 04, 2009 at 11:36:12AM +0200, Albin Tonnerre wrote:
> > > In a number of cases, the .suspend, .freeze, .poweroff and .resume,
> > > .thaw, .restore functions are identical. However, they all need to be
> > > assigned to avoid regressionsm as the previous code called .suspend
> > > resp. .resume in all those cases. SIMPLE_PM_OPS allows to deal with
> > > this case.
>
>
> > I'd much rather have conversions done with a bit more analysis now that
> > our framework is more flexible and we can have specialized routines for
> > hibernation and suspend.
>
> I still think that even though they can, quite a number of drivers won't
> /need/ to have different functions for this, but maybe I'm mistaken.
>
> > Maybe we should try changing from run-time to build time warning so that
> > users are not overly concerned with it?
>
> I'm not sure that solves the problem. The fact is that even for developers, it's
> easy to overlook that assiging only the .suspend and .resume fields is probably
> a mistake.

I agree, so I'm going to take the patch.

I'll add a comment describing what the macro is for, though.

Thanks,
Rafael


\
 
 \ /
  Last update: 2009-08-05 20:49    [W:1.447 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site