[PATCH v3] PCI: imx6: Replace legacy gpio interface for gpiod interface

Linus Walleij linus.walleij at linaro.org
Wed Apr 20 16:24:51 PDT 2022


Hi Maira and sorry for being slow on reviews.

On Tue, Nov 2, 2021 at 2:04 AM Maíra Canal <maira.canal at usp.br> wrote:

> -               gpio_set_value_cansleep(imx6_pcie->reset_gpio,
> +               gpiod_set_raw_value_cansleep(imx6_pcie->reset_gpio,
>                                         !imx6_pcie->gpio_active_high);

Hm I see you got advised to use the raw api. I'm not so sure about
that I like v1 better.

> +       imx6_pcie->reset_gpio = devm_gpiod_get_optional(dev, "reset",
> +                       imx6_pcie->gpio_active_high ?  GPIOD_OUT_HIGH : GPIOD_OUT_LOW);
> +       if (IS_ERR(imx6_pcie->reset_gpio))
> +               return dev_err_probe(dev, PTR_ERR(imx6_pcie->reset_gpio),
> +                               "unable to get reset gpio\n");

Where is this descriptor coming from? Device trees? Can't we just fix the
DTS file(s) in that case given how wrong they are if they don't set
GPIO_ACTIVE_LOW flag on this IRQ.

Yours,
Linus Walleij



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