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

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Message-ID: <20190722160908.GZ9224@smile.fi.intel.com>
Date:   Mon, 22 Jul 2019 19:09:08 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v2 7/7] backlight: gpio: use a helper variable for
 &pdev->dev

On Mon, Jul 22, 2019 at 05:03:02PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> 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.

-- 
With Best Regards,
Andy Shevchenko