Re: [PATCH] pinctrl: Add device link between pin controller and GPIO

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Fri, Jun 21, 2019 at 5:24 PM Thierry Reding <thierry.reding@xxxxxxxxx> wrote:

> From: Thierry Reding <treding@xxxxxxxxxx>
>
> When a GPIO controller registers a pin range with a pin controller,
> establish a device link between them in order to keep track of the
> dependency, which will help keep the right suspend/resume ordering.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>

This make sense.

> +               link = device_link_add(range->gc->parent, pctldev->dev,
> +                                      DL_FLAG_AUTOREMOVE_CONSUMER);

What about parentless GPIO chips now again?
The parent field is optional, sad to say (yes I wish I could just
fix it all).

> +                       device_link_remove(range->gc->parent, pctldev->dev);

And here again.

Yours,
Linus Walleij