Re: [PATCH v2 1/3] usb: phy: generic: migrate to gpio_desc

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Hi Robert,

On Tue, Jan 27, 2015 at 8:35 AM,  <robert.jarzmik@xxxxxxx> wrote:
> ----- Mail original -----
> De: "Fabio Estevam" <festevam@xxxxxxxxx>
> À: "Robert Jarzmik" <robert.jarzmik@xxxxxxx>
> Cc: "Felipe Balbi" <balbi@xxxxxx>, "Linus Walleij" <linus.walleij@xxxxxxxxxx>, "Philipp Zabel" <philipp.zabel@xxxxxxxxx>, "USB list" <linux-usb@xxxxxxxxxxxxxxx>
> Envoyé: Mardi 27 Janvier 2015 10:40:35
> Objet: Re: [PATCH v2 1/3] usb: phy: generic: migrate to gpio_desc
>> -               nop->gpiod_reset = devm_gpiod_get(dev, "reset-gpios");
>> +               nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset-gpios");
>
>> According to Documentation/gpio/board.txt:
>
>> "GPIOs mappings are defined in the consumer device's node, in a
>> property named <function>-gpios"
>> so this should be:
>> nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset");
> Ah you're right, I see it now ... in of_find_gpio(), the match is done on "%s-%s", where
> the first one is the string in devm_gpiod_get(), and the second one is either "gpio" or
> "gpios" ...
>
> I'll amend my patch just as you said, my bad.

but the problem I see is that even if I use:

nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset");


The 'reset-gpio' pin cannot be retrieved. This is the point I don't
understand currently.
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