linux-kernel - Re: [PATCH v1 2/2] gpio: adnp: Make use of device properties

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Date:   Fri, 1 Jul 2022 11:37:38 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 2/2] gpio: adnp: Make use of device properties

On Tue, Jun 28, 2022 at 9:59 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> Convert the module to be property provider agnostic and allow
> it to be used on non-OF platforms.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/gpio/gpio-adnp.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
> index 075782831044..a6439e3daff0 100644
> --- a/drivers/gpio/gpio-adnp.c
> +++ b/drivers/gpio/gpio-adnp.c
> @@ -6,8 +6,9 @@
>  #include <linux/gpio/driver.h>
>  #include <linux/i2c.h>
>  #include <linux/interrupt.h>
> +#include <linux/mod_devicetable.h>
>  #include <linux/module.h>
> -#include <linux/of_irq.h>
> +#include <linux/property.h>
>  #include <linux/seq_file.h>
>  #include <linux/slab.h>
>
> @@ -487,19 +488,15 @@ static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios,
>
>  static int adnp_i2c_probe(struct i2c_client *client)
>  {
> -       struct device_node *np = client->dev.of_node;
> +       struct device *dev = &client->dev;
>         struct adnp *adnp;
>         u32 num_gpios;
>         int err;
>
> -       err = of_property_read_u32(np, "nr-gpios", &num_gpios);
> +       err = device_property_read_u32(dev, "nr-gpios", &num_gpios);
>         if (err < 0)
>                 return err;
>
> -       client->irq = irq_of_parse_and_map(np, 0);
> -       if (!client->irq)
> -               return -EPROBE_DEFER;
> -
>         adnp = devm_kzalloc(&client->dev, sizeof(*adnp), GFP_KERNEL);
>         if (!adnp)
>                 return -ENOMEM;
> @@ -507,8 +504,7 @@ static int adnp_i2c_probe(struct i2c_client *client)
>         mutex_init(&adnp->i2c_lock);
>         adnp->client = client;
>
> -       err = adnp_gpio_setup(adnp, num_gpios,
> -                       of_property_read_bool(np, "interrupt-controller"));
> +       err = adnp_gpio_setup(adnp, num_gpios, device_property_read_bool(dev, "interrupt-controller"));
>         if (err)
>                 return err;
>
> --
> 2.35.1
>

Applied, thanks!

Bart