[PATCH v2] PM / Runtime: let rpm_resume() succeed if RPM_ACTIVE, even when disabled

Alan Stern stern at rowland.harvard.edu
Sat Sep 22 11:33:32 EDT 2012


On Sat, 22 Sep 2012, Rafael J. Wysocki wrote:

> On Saturday, September 22, 2012, Kevin Hilman wrote:

> OK, this looks good to me, thanks!
> 
> Alan, what do you think?
> 
> Rafael

> > --- a/drivers/base/power/runtime.c
> > +++ b/drivers/base/power/runtime.c
> > @@ -509,6 +509,9 @@ static int rpm_resume(struct device *dev, int rpmflags)
> >   repeat:
> >  	if (dev->power.runtime_error)
> >  		retval = -EINVAL;
> > +	else if (dev->power.disable_depth == 1 && dev->power.is_suspended
> > +		 && dev->power.runtime_status == RPM_ACTIVE)
> > +		retval = 1;
> >  	else if (dev->power.disable_depth > 0)
> >  		retval = -EACCES;
> >  	if (retval)

Well, I'd prefer the indentation on the continuation line to be 
different from the indentation of the following line, and I'd prefer 
to have a comment explaining the reason for the exception.

But these are only matters of taste; the implementation itself looks 
good.

Alan Stern




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