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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 4 Mar 2021 12:33:02 +0200
Message-ID: <CAHp75VftSREbd=k6tr5VCk7rZu3Ftsv-5wr1MOv0eVHRD5PJTA@mail.gmail.com>
Subject: Re: [PATCH v4 01/15] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP
To:     =?UTF-8?B?w4FsdmFybyBGZXJuw6FuZGV6IFJvamFz?= <noltari@gmail.com>
Cc:     Linus Walleij <linus.walleij@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Michael Walle <michael@walle.cc>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@broadcom.com>,
        Jonas Gorski <jonas.gorski@gmail.com>,
        Necip Fazil Yildiran <fazilyildiran@gmail.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        devicetree <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>
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On Thu, Mar 4, 2021 at 10:57 AM =C3=81lvaro Fern=C3=A1ndez Rojas
<noltari@gmail.com> wrote:
>
> The current code doesn't check if GPIOLIB_IRQCHIP is enabled, which resul=
ts in
> a compilation error when trying to build gpio-regmap if CONFIG_GPIOLIB_IR=
QCHIP
> isn't enabled.

Suggested-by: ?

> Fixes: 6a45b0e2589f ("gpiolib: Introduce gpiochip_irqchip_add_domain()")
> Signed-off-by: =C3=81lvaro Fern=C3=A1ndez Rojas <noltari@gmail.com>
> ---
>  v4: add patch (fix include instead of gpio-regmap.c)
>
>  include/linux/gpio/driver.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
> index 286de0520574..ecf0032a0995 100644
> --- a/include/linux/gpio/driver.h
> +++ b/include/linux/gpio/driver.h
> @@ -624,8 +624,17 @@ void gpiochip_irq_domain_deactivate(struct irq_domai=
n *domain,
>  bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc,
>                                 unsigned int offset);
>
> +#ifdef CONFIG_GPIOLIB_IRQCHIP
>  int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
>                                 struct irq_domain *domain);
> +#else
> +static inline int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
> +                                             struct irq_domain *domain)
> +{
> +       WARN_ON(1);
> +       return -EINVAL;
> +}
> +#endif
>
>  int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset);
>  void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset);
> --
> 2.20.1
>


--=20
With Best Regards,
Andy Shevchenko