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SubjectRe: [linux-pm] [RFC][PATCH] PM: Introduce new top level suspend and hibernation callbacks (rev. 2)
Date
On Friday, 21 of March 2008, Johannes Berg wrote:
>
> > + * All of the above callbacks, except for @complete(), return error codes.
> > + * However, the error codes returned by the resume operations, @resume(),
> > + * @thaw(), and @restore(), are only printed in the system logs, since the PM
> > + * core cannot do anything else about them.
>
> Why bother and not just make them return void, the error printing can
> most likely be done much much better in the callback since that possibly
> has information on why it failed.
>
> > + * All of the above callbacks, return error codes, but the error codes returned
> > + * by the resume operations, @resume_noirq(), @thaw_noirq(), and
> > + * @restore_noirq(), are only printed in the system logs, since the PM core
> > + * cannot do anything else about them.
>
> Same here, of course.

The errors returned are used by TRACE_RESUME(), for example.

Well, perhaps the comments should be changed instead. :-)

Thanks,
Rafael


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