linux-kernel - Re: [PATCH] pinctrl: core: Add missing #ifdef CONFIG

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Message-ID: <CAHp75VckpCLKeFLbf3RJ+eti5SX6a-ygvR7FM6M2-txp_kmMLQ@mail.gmail.com>
Date:   Wed, 28 Oct 2020 13:41:34 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     He Zhe <zhe.he@...driver.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Drew Fustini <drew@...gleboard.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: core: Add missing #ifdef CONFIG_GPIOLIB

On Wed, Oct 28, 2020 at 12:40 PM He Zhe <zhe.he@...driver.com> wrote:
>
> To fix the following build warnings when CONFIG_GPIOLIB=n.
>
> drivers/pinctrl/core.c:1607:20: warning: unused variable 'chip' [-Wunused-variable]
>  1608 |  struct gpio_chip *chip;
>       |                    ^~~~
> drivers/pinctrl/core.c:1606:15: warning: unused variable 'gpio_num' [-Wunused-variable]
>  1607 |  unsigned int gpio_num;
>       |               ^~~~~~~~
> drivers/pinctrl/core.c:1605:29: warning: unused variable 'range' [-Wunused-variable]
>  1606 |  struct pinctrl_gpio_range *range;
>       |                             ^~~~~

Makes sense.
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

> Fixes: f1b206cf7c57 ("pinctrl: core: print gpio in pins debugfs file")
> Signed-off-by: He Zhe <zhe.he@...driver.com>
> ---
>  drivers/pinctrl/core.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
> index 3663d87f51a0..9fc4433fece4 100644
> --- a/drivers/pinctrl/core.c
> +++ b/drivers/pinctrl/core.c
> @@ -1602,9 +1602,11 @@ static int pinctrl_pins_show(struct seq_file *s, void *what)
>         struct pinctrl_dev *pctldev = s->private;
>         const struct pinctrl_ops *ops = pctldev->desc->pctlops;
>         unsigned i, pin;
> +#ifdef CONFIG_GPIOLIB
>         struct pinctrl_gpio_range *range;
>         unsigned int gpio_num;
>         struct gpio_chip *chip;
> +#endif
>
>         seq_printf(s, "registered pins: %d\n", pctldev->desc->npins);
>
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko