linux-kernel - Re: [PATCH RFC 2/7] hwmon: (adc128d818) Use devm_regulator_get_optional_enable_get

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Date: Thu, 28 Mar 2024 14:05:25 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Jonathan Corbet <corbet@....net>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Jean Delvare <jdelvare@...e.com>, Guenter
 Roeck <linux@...ck-us.net>, Support Opensource
 <support.opensource@...semi.com>, Cosmin Tanislav
 <cosmin.tanislav@...log.com>, Lars-Peter Clausen <lars@...afoo.de>, Michael
 Hennerich <Michael.Hennerich@...log.com>, Antoniu Miclaus
 <antoniu.miclaus@...log.com>, Greg Kroah-Hartman
 <gregkh@...uxfoundation.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-hwmon@...r.kernel.org, linux-iio@...r.kernel.org,
 linux-staging@...ts.linux.dev, linux-input@...r.kernel.org
Subject: Re: [PATCH RFC 2/7] hwmon: (adc128d818) Use
 devm_regulator_get_optional_enable_get_voltage()

On Wed, 27 Mar 2024 18:18:51 -0500
David Lechner <dlechner@...libre.com> wrote:

> We can reduce boilerplate code and eliminate the driver remove()
> function by using devm_regulator_get_optional_enable_get_voltage().
> 
> A new external_vref flag is added since we no longer have the handle
> to the regulator to check if it is present.
> 
> Signed-off-by: David Lechner <dlechner@...libre.com>
One trivial thing.
With that tidied up...

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

>  	hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
>  							   data, adc128_groups);
>  	if (IS_ERR(hwmon_dev)) {
>  		err = PTR_ERR(hwmon_dev);
> -		goto error;
> +		return err;

return PTR_ERR()

>  	}
>  
>  	return 0;
> -
> -error:
> -	if (data->regulator)
> -		regulator_disable(data->regulator);
> -	return err;
> -}