Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 22 Jul 2019 19:06:03 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Bartosz Golaszewski <brgl@bgdev.pl>
Cc:     Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>,
        Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: Re: [PATCH v2 2/7] backlight: gpio: simplify the platform data
 handling
Message-ID: <20190722160603.GY9224@smile.fi.intel.com>
References: <20190722150302.29526-1-brgl@bgdev.pl>
 <20190722150302.29526-3-brgl@bgdev.pl>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190722150302.29526-3-brgl@bgdev.pl>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Jul 22, 2019 at 05:02:57PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> Now that the last user of platform data (sh ecovec24) defines a proper
> GPIO lookup and sets the 'default-on' device property, we can drop the
> platform_data-specific GPIO handling and unify a big chunk of code.
> 
> The only field used from the platform data is now the fbdev pointer.

> -static int gpio_backlight_probe_dt(struct platform_device *pdev,
> -				   struct gpio_backlight *gbl)
> -{
> -	struct device *dev = &pdev->dev;
> -	enum gpiod_flags flags;
> -	int ret;
> -
> -	gbl->def_value = device_property_read_bool(dev, "default-on");
> -	flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
> -
> -	gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
> -	if (IS_ERR(gbl->gpiod)) {
> -		ret = PTR_ERR(gbl->gpiod);
> -
> -		if (ret != -EPROBE_DEFER) {
> -			dev_err(dev,
> -				"Error: The gpios parameter is missing or invalid.\n");
> -		}
> -		return ret;
> -	}
> -
> -	return 0;
> -}

Why not leave this function (perhaps with different name)?

-- 
With Best Regards,
Andy Shevchenko