linux-kernel - Re: [PATCH v4 4/6] iio: light: stk3310: use dev_err

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Message-ID: <ZyiIcDaANjxwtCz-@smile.fi.intel.com>
Date: Mon, 4 Nov 2024 10:40:16 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Aren Moynihan <aren@...cevolution.org>
Cc: Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Kaustabh Chakraborty <kauschluss@...root.org>,
	Barnabás Czémán <trabarni@...il.com>,
	Ondrej Jirman <megi@....cz>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev, Dragan Simic <dsimic@...jaro.org>,
	phone-devel@...r.kernel.org
Subject: Re: [PATCH v4 4/6] iio: light: stk3310: use dev_err_probe where
 possible

On Sat, Nov 02, 2024 at 03:50:41PM -0400, Aren Moynihan wrote:
> Using dev_err_probe instead of dev_err and return makes the errors
> easier to understand by including the error name, and saves a little
> code.

...

>  #define STK3310_REGFIELD(name)						    \
>  	do {								    \
>  		data->reg_##name =					    \
> -			devm_regmap_field_alloc(&client->dev, regmap,	    \
> +			devm_regmap_field_alloc(dev, regmap,		    \
>  				stk3310_reg_field_##name);		    \
> -		if (IS_ERR(data->reg_##name)) {				    \
> -			dev_err(&client->dev, "reg field alloc failed.\n"); \
> -			return PTR_ERR(data->reg_##name);		    \
> -		}							    \
> +		if (IS_ERR(data->reg_##name))				    \

> +			return dev_err_probe(dev,			    \
> +				PTR_ERR(data->reg_##name),		    \

AFAICS these two can be put on one.

> +				"reg field alloc failed.\n");		    \
>  	} while (0)


...

> @@ -654,12 +652,11 @@ static int stk3310_probe(struct i2c_client *client)
>  	int ret;
>  	struct iio_dev *indio_dev;
>  	struct stk3310_data *data;
> +	struct device *dev = &client->dev;

This should has been done a few patches earlier...

-- 
With Best Regards,
Andy Shevchenko