Re: [PATCH 2/2] gpio: mvebu: use generic device properties

[Uwe Kleine-König]

Hello Bart,

On Mon, Sep 30, 2024 at 11:11:11AM +0200, Bartosz Golaszewski wrote:
> diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
> index 8cfd3a89c018..5ffb332e9849 100644
> --- a/drivers/gpio/gpio-mvebu.c
> +++ b/drivers/gpio/gpio-mvebu.c
> @@ -794,8 +794,8 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
>  	u32 set;
>  
>  	if (mvchip->soc_variant == MVEBU_GPIO_SOC_VARIANT_A8K) {
> -		int ret = of_property_read_u32(dev->of_node,
> -					       "marvell,pwm-offset", &offset);
> +		int ret = device_property_read_u32(dev, "marvell,pwm-offset",
> +						   &offset);
>  		if (ret < 0)
>  			return 0;
>  	} else {
> @@ -1106,7 +1106,7 @@ static int mvebu_gpio_probe_syscon(struct platform_device *pdev,
>  	if (IS_ERR(mvchip->regs))
>  		return PTR_ERR(mvchip->regs);
>  
> -	if (of_property_read_u32(pdev->dev.of_node, "offset", &mvchip->offset))
> +	if (device_property_read_u32(&pdev->dev, "offset", &mvchip->offset))
>  		return -EINVAL;
>  
>  	return 0;
> @@ -1147,7 +1147,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, mvchip);
>  
> -	if (of_property_read_u32(pdev->dev.of_node, "ngpios", &ngpios)) {
> +	if (device_property_read_u32(&pdev->dev, "ngpios", &ngpios)) {
>  		dev_err(&pdev->dev, "Missing ngpios OF property\n");
>  		return -ENODEV;
>  	}

I didn't look closely, but I wonder if GPIO_MVEBU depending on OF_GPIO
can be softened with this change?!

Best regards
Uwe

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