linux-kernel - Re: [PATCH v6 6/6] gpiolib: Fold conditionals into a simple ternary operator

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Date:   Tue, 9 Mar 2021 14:48:44 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Marc Zyngier <maz@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v6 6/6] gpiolib: Fold conditionals into a simple ternary operator

On Tue, Mar 9, 2021 at 10:37 AM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> It's quite spread code to initialize IRQ domain options.
> Let's fold it into a simple oneliner.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
>  drivers/gpio/gpiolib.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index afee48e7dd41..cee4333f8ac7 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -1458,7 +1458,6 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
>  {
>         struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev);
>         struct irq_chip *irqchip = gc->irq.chip;
> -       const struct irq_domain_ops *ops = NULL;
>         unsigned int type;
>         unsigned int i;
>
> @@ -1496,15 +1495,11 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
>                         return ret;
>         } else {
>                 /* Some drivers provide custom irqdomain ops */
> -               if (gc->irq.domain_ops)
> -                       ops = gc->irq.domain_ops;
> -
> -               if (!ops)
> -                       ops = &gpiochip_domain_ops;
>                 gc->irq.domain = irq_domain_create_simple(fwnode,
>                         gc->ngpio,
>                         gc->irq.first,
> -                       ops, gc);
> +                       gc->irq.domain_ops ?: &gpiochip_domain_ops,
> +                       gc);
>                 if (!gc->irq.domain)
>                         return -EINVAL;
>         }
> --
> 2.30.1
>