Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data

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On Mon, Oct 24, 2011 at 03:49:30PM +0200, Mark Brown wrote:
> On Mon, Oct 24, 2011 at 09:40:26PM +0800, Shawn Guo wrote:
> 
> > +++ b/drivers/regulator/core.c
> > @@ -2673,7 +2673,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
> >         BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
> > 
> >         /* find device_node and attach it */
> > -       rdev->dev.of_node = of_find_node_by_name(NULL, regulator_desc->name);
> > +       rdev->dev.of_node = of_find_node_by_name(dev->parent->of_node,
> > +                                                regulator_desc->name);
> > 
> 
> Is that going to do the right thing if you've got a MFD which does
> register each regulator as a separate device?

Based on my understanding, 1:1 is just a special case of N:1.  I
failed to see any problem having it work with registering each
regulator as a separate device.

> Might be best to just
> search within dev and get drivers to pass the "real" device in when
> registering the regulator rather than the virtual device.
> 
It should also work, but it will also change the API slightly for
non-dt users.  I'm not sure it's something we want.

-- 
Regards,
Shawn

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