Re: [PATCH RFT v7 2/6] ARM: pxa: Convert Spitz LEDs to GPIO descriptors

[Bartosz Golaszewski]

On Tue, Oct 10, 2023 at 10:04 PM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
>
> On Tue, Oct 10, 2023 at 7:39 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>
> > It doesn't seem like anyone is using these GPIOs once they're
> > requested? Wouldn't the above definitios be analogous to:
> >
> > GPIO_HOG("pxa-gpio", SPITZ_GPIO_LED_ORANGE, NULL, GPIO_ACTIVE_HIGH, GPIOD_ASIS)
> > GPIO_HOG("pxa-gpio", SPITZ_GPIO_LED_GREEN, NULL, GPIO_ACTIVE_HIGH, GPIOD_ASIS)
>
> They are used:
> +       spitz_gpio_leds[0].gpiod = leds->desc[0];
> +       spitz_gpio_leds[1].gpiod = leds->desc[1];
>
> The descriptors are passed to the leds-gpio driver.
>
> But wait: no.
>
> This whole thing:
>
> +static struct gpio_descs *leds;
> +
> (...)
> +       leds = gpiod_get_array_optional(&spitz_led_device.dev,
> +                       NULL, GPIOD_ASIS);
> +       spitz_gpio_leds[0].gpiod = leds->desc[0];
> +       spitz_gpio_leds[1].gpiod = leds->desc[1];
>
> Just delete all that.
>
> The leds-gpio driver will request and use the lines.
>
> It was just so unorthodox that I missed it. Adding the descriptor
> table is enough.

Ah, good catch. Your suggestion is of course the correct one.

Bart

>
> Yours,
> Linus Walleij