Re: [PATCH v4 05/11] gpiolib: provide gpio_device_get_desc()

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On Mon, Oct 2, 2023 at 11:46 AM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> On Wed, Sep 27, 2023 at 04:29:25PM +0200, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> >
> > Getting the GPIO descriptor directly from the gpio_chip struct is
> > dangerous as we don't take the reference to the underlying GPIO device.
> > In order to start working towards removing gpiochip_get_desc(), let's
> > provide a safer variant that works with an existing reference to struct
> > gpio_device.
>
> ...
>
> > +EXPORT_SYMBOL_GPL(gpiochip_get_desc);
>
> > +struct gpio_desc *
> > +gpio_device_get_desc(struct gpio_device *gdev, unsigned int hwnum)
>
> I'm wondering if you move this to be upper than gpiochip_get_desc() and
> diff will look better...
>

There's a limit to bikeshedding in my book and "making the diff look
better" is definitely it. :)

Bart




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