linux-kernel - Re: [PATCH] gpio: set device type for GPIO chips

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Date: Wed, 7 Feb 2024 13:19:37 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: Linus Walleij <linus.walleij@...aro.org>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH] gpio: set device type for GPIO chips

On Wed, Feb 7, 2024 at 11:49 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Wed, Feb 07, 2024 at 11:45:39AM +0100, Linus Walleij wrote:
> > On Thu, Feb 1, 2024 at 5:28 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> >
> > > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >
> > > It's useful to have the device type information for those sub-devices
> > > that are actually GPIO chips registered with GPIOLIB. While at it: use
> > > the device type struct to setup the release callback which is the
> > > preferred way to use the device API.
> > >
> > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > (...=
> > > +static struct device_type gpio_dev_type = {
>
> Can you make this structure const please?
>

I have, there's a v2 on the list already.

Thanks
Bart

> > > +       .name = "gpio_chip",
> > > +       .release = gpiodev_release,
> > > +};
> > > +       gdev->dev.type = &gpio_dev_type;
> > >         gdev->dev.bus = &gpio_bus_type;
> > >         gdev->dev.parent = gc->parent;
> >
> > Looks good to me (TM) but we should run this by Greg so he get the chance
> > to chime in, I doubt he will see it on LKML.
>
> Yes thanks, I wouldn't have caught it...
>
> greg k-h