Re: [PATCH v3] rfkill: Regulator consumer driver for rfkill

From: Antonio Ospite
Date: Thu Apr 14 2011 - 06:39:35 EST


On Wed, 13 Apr 2011 21:53:03 +0200
Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:

> On Wed, 2011-04-13 at 21:40 +0200, Antonio Ospite wrote:
>
> > +static int __devinit rfkill_regulator_probe(struct platform_device *pdev)
>
> ...
>
> > + platform_set_drvdata(pdev, rfkill_data);
>
> > +static int __devexit rfkill_regulator_remove(struct platform_device *pdev)
> > +{
> > + struct rfkill_regulator_data *rfkill_data = platform_get_drvdata(pdev);
> > + struct rfkill *rf_kill = rfkill_data->rf_kill;
> > +
> > + rfkill_unregister(rf_kill);
> > + rfkill_destroy(rf_kill);
> > + regulator_put(rfkill_data->vcc);
> > + kfree(rfkill_data);
> > +
> > + return 0;
> > +}
>
> Should remove do platform_set_drvdata(pdev, NULL)?
>

AFAICS this is not strictly necessary because we never check for NULL
here and we are setting drvdata again in _probe() each time the module
is loaded anyways. If it is considered a good practice for symmetry
reasons then I'll add it, no problem. Does anyone has comments on that?

> In any case, that's the only thing I see now and I did read the code
> carefully, so if that's not necessary:
>
> Reviewed-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
>
> Otherwise, feel free to include that in v4.
>
> johannes
>

Thanks for taking the time to look at the code Johannes.

Regards,
Antonio

--
Antonio Ospite
http://ao2.it

PGP public key ID: 0x4553B001

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