linux-kernel - Re: [PATCH V2 06/18] regulator: gpio-regulator: use devm_regulator

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Message-id: <002c01ceba81$ea03fb00$be0bf100$%han@samsung.com>
Date:	Thu, 26 Sep 2013 15:30:37 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Sachin Kamat' <sachin.kamat@...aro.org>
Cc:	'Mark Brown' <broonie@...nel.org>,
	'Liam Girdwood' <lgirdwood@...il.com>,
	'LKML' <linux-kernel@...r.kernel.org>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH V2 06/18] regulator: gpio-regulator: use
 devm_regulator_register()

On Thursday, September 26, 2013 3:20 PM, Sachin Kamat wrote:
> On 26 September 2013 07:36, Jingoo Han <jg1.han@...sung.com> wrote:
> > Use devm_regulator_register() to make cleanup paths simpler.
> > @@ -349,8 +350,6 @@ static int gpio_regulator_remove(struct platform_device *pdev)
> >  {
> >         struct gpio_regulator_data *drvdata = platform_get_drvdata(pdev);
> >
> > -       regulator_unregister(drvdata->dev);
> > -
> >         gpio_free_array(drvdata->gpios, drvdata->nr_gpios);
> >
> >         kfree(drvdata->states);
> 
> In most of the cases where unregister doesn't happen to be the only or
> last call in the remove path,
> I am not sure if change in ordering wouldn't cause any functional
> issues. For. e.g., in this patch we are freeing the gpios and the
> driver states even before unregistering the device which is logically
> not right.
> 

OK, I see.
I agree with your suggestion in order to keep the code stable.
I will remove this patch from next v3 patch series.

Best regards,
Jingoo Han

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