linux-kernel - Re: [PATCH v4 2/2] gpiolib: use dev_err() when gpiod_configure

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Date: Tue, 2 Apr 2024 10:50:00 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>, 
	Peng Fan <peng.fan@....com>
Subject: Re: [PATCH v4 2/2] gpiolib: use dev_err() when gpiod_configure_flags failed

On Mon, Mar 25, 2024 at 6:18 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> From: Peng Fan <peng.fan@....com>
>
> When gpio-ranges property was missed to be added in the gpio node,
> using dev_err() to show an error message will helping to locate issues
> easier.
>
> Signed-off-by: Peng Fan <peng.fan@....com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/gpio/gpiolib.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index b98cbf4335e3..5589e085ba25 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -4236,7 +4236,7 @@ struct gpio_desc *gpiod_find_and_request(struct device *consumer,
>         ret = gpiod_configure_flags(desc, con_id, lookupflags, flags);
>         if (ret < 0) {
>                 gpiod_put(desc);
> -               dev_dbg(consumer, "setup of GPIO %s failed\n", name);
> +               dev_err(consumer, "setup of GPIO %s failed: %d\n", name, ret);
>                 return ERR_PTR(ret);
>         }
>
> --
> 2.43.0.rc1.1.gbec44491f096
>

Applied, thanks!

Bart