linux-kernel - Re: [PATCH v1 1/1] pinctrl: : Switch to use for_each_gpiochip

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Message-ID: <Z7SXRZtrClEVBMDx@probook>
Date: Tue, 18 Feb 2025 14:20:53 +0000
From: J. Neuschäfer <j.ne@...teo.net>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: openbmc@...ts.ozlabs.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 1/1] pinctrl: : Switch to use for_each_gpiochip_node()
 helper

On Thu, Feb 13, 2025 at 09:31:52PM +0200, Andy Shevchenko wrote:
> Switch the code to use for_each_gpiochip_node() helper.
> 
> While at it, correct header inclusion as device property APIs
> are provided in property.h.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---

Looks good, thanks!

Reviewed-by: J. Neuschäfer <j.ne@...teo.net>

>  drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> index cdad4ef11a2f..2f97accef837 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> @@ -10,7 +10,6 @@
>  //   block, shared between all GPIO banks
>  
>  #include <linux/device.h>
> -#include <linux/fwnode.h>
>  #include <linux/gpio/driver.h>
>  #include <linux/interrupt.h>
>  #include <linux/irq.h>
> @@ -18,6 +17,7 @@
>  #include <linux/module.h>
>  #include <linux/mod_devicetable.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/regmap.h>
>  
>  #include <linux/pinctrl/pinconf.h>
> @@ -1033,7 +1033,7 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
>  		return dev_err_probe(dev, PTR_ERR(pctrl->gpio_base),
>  				     "Resource fail for GPIO controller\n");
>  
> -	device_for_each_child_node(dev, child)  {
> +	for_each_gpiochip_node(dev, child) {
>  		void __iomem *dat = NULL;
>  		void __iomem *set = NULL;
>  		void __iomem *dirout = NULL;
> @@ -1044,9 +1044,6 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
>  		u32 reg;
>  		int i;
>  
> -		if (!fwnode_property_read_bool(child, "gpio-controller"))
> -			continue;
> -
>  		ret = fwnode_property_read_u32(child, "reg", &reg);
>  		if (ret < 0)
>  			return ret;
> -- 
> 2.45.1.3035.g276e886db78b
>