Re: [2/9] hwmon: gpio-fan: Use local variable pointers

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On Tue, Sep 26, 2017 at 01:09:04AM +0200, Linus Walleij wrote:
> Create local struct device *dev and device_node *np pointers to
> make the code easier to read.
> 
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Applied to hwmon-next.

Thanks,
Guenter

> ---
>  drivers/hwmon/gpio-fan.c | 16 +++++++++-------
>  1 file changed, 9 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
> index 9c355b9d31c5..f29cee9398ef 100644
> --- a/drivers/hwmon/gpio-fan.c
> +++ b/drivers/hwmon/gpio-fan.c
> @@ -541,22 +541,24 @@ static int gpio_fan_probe(struct platform_device *pdev)
>  {
>  	int err;
>  	struct gpio_fan_data *fan_data;
> -	struct gpio_fan_platform_data *pdata = dev_get_platdata(&pdev->dev);
> +	struct device *dev = &pdev->dev;
> +	struct device_node *np = dev->of_node;
> +	struct gpio_fan_platform_data *pdata = dev_get_platdata(dev);
>  
> -	fan_data = devm_kzalloc(&pdev->dev, sizeof(struct gpio_fan_data),
> +	fan_data = devm_kzalloc(dev, sizeof(struct gpio_fan_data),
>  				GFP_KERNEL);
>  	if (!fan_data)
>  		return -ENOMEM;
>  
>  #ifdef CONFIG_OF_GPIO
>  	if (!pdata) {
> -		pdata = devm_kzalloc(&pdev->dev,
> +		pdata = devm_kzalloc(dev,
>  					sizeof(struct gpio_fan_platform_data),
>  					GFP_KERNEL);
>  		if (!pdata)
>  			return -ENOMEM;
>  
> -		err = gpio_fan_get_of_pdata(&pdev->dev, pdata);
> +		err = gpio_fan_get_of_pdata(dev, pdata);
>  		if (err)
>  			return err;
>  	}
> @@ -587,14 +589,14 @@ static int gpio_fan_probe(struct platform_device *pdev)
>  
>  	/* Make this driver part of hwmon class. */
>  	fan_data->hwmon_dev =
> -		devm_hwmon_device_register_with_groups(&pdev->dev,
> +		devm_hwmon_device_register_with_groups(dev,
>  						       "gpio_fan", fan_data,
>  						       gpio_fan_groups);
>  	if (IS_ERR(fan_data->hwmon_dev))
>  		return PTR_ERR(fan_data->hwmon_dev);
>  #ifdef CONFIG_OF_GPIO
>  	/* Optional cooling device register for Device tree platforms */
> -	fan_data->cdev = thermal_of_cooling_device_register(pdev->dev.of_node,
> +	fan_data->cdev = thermal_of_cooling_device_register(np,
>  							    "gpio-fan",
>  							    fan_data,
>  							    &gpio_fan_cool_ops);
> @@ -604,7 +606,7 @@ static int gpio_fan_probe(struct platform_device *pdev)
>  							 &gpio_fan_cool_ops);
>  #endif /* CONFIG_OF_GPIO */
>  
> -	dev_info(&pdev->dev, "GPIO fan initialized\n");
> +	dev_info(dev, "GPIO fan initialized\n");
>  
>  	return 0;
>  }
--
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