Re: [PATCH v3 04/11] gpiolib: provide gpio_device_find_by_label()

Andy Shevchenko
2023-09-18T07:20:58Z

On Fri, Sep 15, 2023 at 05:03:19PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> By far the most common way of looking up GPIO devices is using their
> label. Provide a helpers for that to avoid every user implementing their
> own matching function.

...

> +static int gpio_chip_match_by_label(struct gpio_chip *gc, void *label)
> +{
> + return gc->label && !strcmp(gc->label, label);
> +}

I am still wondering if we can oblige providers to have label to be non-empty.

--
With Best Regards,
Andy Shevchenko