linux-kernel - Re: [PATCH v1 1/1] pinctrl: meson: Switch to use fwnode instead of of

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Message-ID: <b0d45e18-c92d-d187-2eac-851d975fbb7e@baylibre.com>
Date:   Tue, 6 Sep 2022 11:07:07 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: Re: [PATCH v1 1/1] pinctrl: meson: Switch to use fwnode instead of
 of_node

On 05/09/2022 20:00, Andy Shevchenko wrote:
> GPIO library now accepts fwnode as a firmware node, so
> switch the driver to use it.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>   drivers/pinctrl/meson/pinctrl-meson.c | 7 +++----
>   drivers/pinctrl/meson/pinctrl-meson.h | 4 +++-
>   2 files changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
> index cc2cd73ff8f9..530f3f934e19 100644
> --- a/drivers/pinctrl/meson/pinctrl-meson.c
> +++ b/drivers/pinctrl/meson/pinctrl-meson.c
> @@ -608,6 +608,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
>   
>   	pc->chip.label = pc->data->name;
>   	pc->chip.parent = pc->dev;
> +	pc->chip.fwnode = pc->fwnode;
>   	pc->chip.request = gpiochip_generic_request;
>   	pc->chip.free = gpiochip_generic_free;
>   	pc->chip.set_config = gpiochip_generic_config;
> @@ -619,8 +620,6 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
>   	pc->chip.base = -1;
>   	pc->chip.ngpio = pc->data->num_pins;
>   	pc->chip.can_sleep = false;
> -	pc->chip.of_node = pc->of_node;
> -	pc->chip.of_gpio_n_cells = 2;
>   
>   	ret = gpiochip_add_data(&pc->chip, pc);
>   	if (ret) {
> @@ -678,8 +677,8 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc)
>   		return -EINVAL;
>   	}
>   
> -	gpio_np = to_of_node(gpiochip_node_get_first(pc->dev));
> -	pc->of_node = gpio_np;
> +	pc->fwnode = gpiochip_node_get_first(pc->dev);
> +	gpio_np = to_of_node(pc->fwnode);
>   
>   	pc->reg_mux = meson_map_resource(pc, gpio_np, "mux");
>   	if (IS_ERR_OR_NULL(pc->reg_mux)) {
> diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
> index b197827027bd..34fc4e8612e4 100644
> --- a/drivers/pinctrl/meson/pinctrl-meson.h
> +++ b/drivers/pinctrl/meson/pinctrl-meson.h
> @@ -12,6 +12,8 @@
>   #include <linux/types.h>
>   #include <linux/module.h>
>   
> +struct fwnode_handle;
> +
>   struct meson_pinctrl;
>   
>   /**
> @@ -131,7 +133,7 @@ struct meson_pinctrl {
>   	struct regmap *reg_gpio;
>   	struct regmap *reg_ds;
>   	struct gpio_chip chip;
> -	struct device_node *of_node;
> +	struct fwnode_handle *fwnode;
>   };
>   
>   #define FUNCTION(fn)							\

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>