Re: [PATCH v2 7/7] backlight: gpio: use a helper variable for &pdev->dev

From: Bartosz Golaszewski
Date: Wed Jul 24 2019 - 04:26:25 EST


wt., 23 lip 2019 o 17:34 Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> napisaÅ(a):
>
> On Tue, Jul 23, 2019 at 08:29:52AM +0200, Bartosz Golaszewski wrote:
> > pon., 22 lip 2019 o 18:09 Andy Shevchenko
> > <andriy.shevchenko@xxxxxxxxxxxxxxx> napisaÅ(a):
> > >
> > > On Mon, Jul 22, 2019 at 05:03:02PM +0200, Bartosz Golaszewski wrote:
> > > > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > > >
> > > > Instead of dereferencing pdev each time, use a helper variable for
> > > > the associated device pointer.
> > >
> > > > static int gpio_backlight_probe(struct platform_device *pdev)
> > > > {
> > > > - struct gpio_backlight_platform_data *pdata =
> > > > - dev_get_platdata(&pdev->dev);
> > > > + struct gpio_backlight_platform_data *pdata;
> > > > struct backlight_properties props;
> > > > struct backlight_device *bl;
> > > > struct gpio_backlight *gbl;
> > > > enum gpiod_flags flags;
> > > > + struct device *dev;
> > >
> > > Can't we do
> > >
> > > struct device dev = &pdev->dev;
> > > struct gpio_backlight_platform_data *pdata = dev_get_platdata(dev);
> > >
> > > ? It fits 80 nicely.
> > >
> >
> > IMO it's more readable like that with the reverse christmas tree layout.
>
> It makes more churn in the original code and for initializers the order is
> defined by its nature.
>
> --
> With Best Regards,
> Andy Shevchenko
>
>

Fair enough, I changed it in v3.

Bart