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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
Date: Mon, 22 Jul 2019 16:06:03 +0000	[thread overview]
Message-ID: <20190722160603.GY9224@smile.fi.intel.com> (raw)
In-Reply-To: <20190722150302.29526-3-brgl@bgdev.pl>

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

WARNING: multiple messages have this Message-ID (diff)
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
Date: Mon, 22 Jul 2019 19:06:03 +0300	[thread overview]
Message-ID: <20190722160603.GY9224@smile.fi.intel.com> (raw)
In-Reply-To: <20190722150302.29526-3-brgl@bgdev.pl>

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

  parent reply	other threads:[~2019-07-22 16:06 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-22 15:02 [PATCH v2 0/7] backlight: gpio: simplify the driver Bartosz Golaszewski
2019-07-22 15:02 ` Bartosz Golaszewski
2019-07-22 15:02 ` [PATCH v2 1/7] sh: ecovec24: add additional properties to the backlight device Bartosz Golaszewski
2019-07-22 15:02   ` Bartosz Golaszewski
2019-08-05  9:53   ` Linus Walleij
2019-08-05  9:53     ` Linus Walleij
2019-07-22 15:02 ` [PATCH v2 2/7] backlight: gpio: simplify the platform data handling Bartosz Golaszewski
2019-07-22 15:02   ` Bartosz Golaszewski
2019-07-22 15:17   ` Daniel Thompson
2019-07-22 15:17     ` Daniel Thompson
2019-07-22 16:06   ` Andy Shevchenko [this message]
2019-07-22 16:06     ` Andy Shevchenko
2019-07-23  6:28     ` Bartosz Golaszewski
2019-07-23  6:28       ` Bartosz Golaszewski
2019-07-23 15:32       ` Andy Shevchenko
2019-07-23 15:32         ` Andy Shevchenko
2019-07-24  8:26         ` Bartosz Golaszewski
2019-07-24  8:26           ` Bartosz Golaszewski
2019-07-22 15:02 ` [PATCH v2 3/7] sh: ecovec24: don't set unused fields in platform data Bartosz Golaszewski
2019-07-22 15:02   ` Bartosz Golaszewski
2019-07-22 15:02 ` [PATCH v2 4/7] backlight: gpio: remove unused fields from " Bartosz Golaszewski
2019-07-22 15:02   ` Bartosz Golaszewski
2019-07-22 15:18   ` Daniel Thompson
2019-07-22 15:18     ` Daniel Thompson
2019-07-22 15:03 ` [PATCH v2 5/7] backlight: gpio: remove dev from struct gpio_backlight Bartosz Golaszewski
2019-07-22 15:03   ` Bartosz Golaszewski
2019-07-22 15:20   ` Daniel Thompson
2019-07-22 15:20     ` Daniel Thompson
2019-07-22 15:03 ` [PATCH v2 6/7] backlight: gpio: remove def_value " Bartosz Golaszewski
2019-07-22 15:03   ` Bartosz Golaszewski
2019-07-22 15:22   ` Daniel Thompson
2019-07-22 15:22     ` Daniel Thompson
2019-07-22 15:22     ` Daniel Thompson
2019-07-22 15:03 ` [PATCH v2 7/7] backlight: gpio: use a helper variable for &pdev->dev Bartosz Golaszewski
2019-07-22 15:03   ` Bartosz Golaszewski
2019-07-22 15:23   ` Daniel Thompson
2019-07-22 15:23     ` Daniel Thompson
2019-07-22 16:09   ` Andy Shevchenko
2019-07-22 16:09     ` Andy Shevchenko
2019-07-23  6:29     ` Bartosz Golaszewski
2019-07-23  6:29       ` Bartosz Golaszewski
2019-07-23 13:40       ` Daniel Thompson
2019-07-23 13:40         ` Daniel Thompson
2019-07-23 15:34       ` Andy Shevchenko
2019-07-23 15:34         ` Andy Shevchenko
2019-07-24  8:26         ` Bartosz Golaszewski
2019-07-24  8:26           ` Bartosz Golaszewski
2019-07-22 16:09 ` [PATCH v2 0/7] backlight: gpio: simplify the driver Andy Shevchenko
2019-07-22 16:09   ` Andy Shevchenko

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