Re: [PATCH] thermal: broadcom: use devm_thermal_zone_of_sensor_register

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On 30/10/2018 17:08, Julia Lawall wrote:
> Using devm_thermal_zone_of_sensor_register allows to simplify some
> error handling code, drop a label, and drop the remove function.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Reviewed-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

> ---
> 
> This patch is completely orthogonal to the recent constification
> patch.
> 
>  drivers/thermal/broadcom/brcmstb_thermal.c |   24 ++++--------------------
>  1 file changed, 4 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c b/drivers/thermal/broadcom/brcmstb_thermal.c
> index 1919f91fa756..956eef8717bb 100644
> --- a/drivers/thermal/broadcom/brcmstb_thermal.c
> +++ b/drivers/thermal/broadcom/brcmstb_thermal.c
> @@ -329,7 +329,8 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
>  	priv->dev = &pdev->dev;
>  	platform_set_drvdata(pdev, priv);
>  
> -	thermal = thermal_zone_of_sensor_register(&pdev->dev, 0, priv, &of_ops);
> +	thermal = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, priv,
> +						       &of_ops);
>  	if (IS_ERR(thermal)) {
>  		ret = PTR_ERR(thermal);
>  		dev_err(&pdev->dev, "could not register sensor: %d\n", ret);
> @@ -341,40 +342,23 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
>  	irq = platform_get_irq(pdev, 0);
>  	if (irq < 0) {
>  		dev_err(&pdev->dev, "could not get IRQ\n");
> -		ret = irq;
> -		goto err;
> +		return irq;
>  	}
>  	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
>  					brcmstb_tmon_irq_thread, IRQF_ONESHOT,
>  					DRV_NAME, priv);
>  	if (ret < 0) {
>  		dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
> -		goto err;
> +		return ret;
>  	}
>  
>  	dev_info(&pdev->dev, "registered AVS TMON of-sensor driver\n");
>  
>  	return 0;
> -
> -err:
> -	thermal_zone_of_sensor_unregister(&pdev->dev, thermal);
> -	return ret;
> -}
> -
> -static int brcmstb_thermal_exit(struct platform_device *pdev)
> -{
> -	struct brcmstb_thermal_priv *priv = platform_get_drvdata(pdev);
> -	struct thermal_zone_device *thermal = priv->thermal;
> -
> -	if (thermal)
> -		thermal_zone_of_sensor_unregister(&pdev->dev, priv->thermal);
> -
> -	return 0;
>  }
>  
>  static struct platform_driver brcmstb_thermal_driver = {
>  	.probe = brcmstb_thermal_probe,
> -	.remove = brcmstb_thermal_exit,
>  	.driver = {
>  		.name = DRV_NAME,
>  		.of_match_table = brcmstb_thermal_id_table,
> 


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