linux-kernel - Re: [RESEND PATCH] pwm-backlight: fix the panel power sequence

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Message-ID: <201510161036.Q5q8ayZx%fengguang.wu@intel.com>
Date:	Fri, 16 Oct 2015 10:42:17 +0800
From:	kbuild test robot <lkp@...el.com>
To:	YH Huang <yh.huang@...iatek.com>
Cc:	kbuild-all@...org, Thierry Reding <thierry.reding@...il.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Sascha Hauer <kernel@...gutronix.de>,
	yingjoe.chen@...iatek.com, YH Huang <yh.huang@...iatek.com>
Subject: Re: [RESEND PATCH] pwm-backlight: fix the panel power sequence

Hi YH,

[auto build test ERROR on pwm/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/YH-Huang/pwm-backlight-fix-the-panel-power-sequence/20151016-093957
config: i386-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/video/backlight/pwm_bl.c: In function 'pwm_backlight_probe':
>> drivers/video/backlight/pwm_bl.c:245:20: error: too few arguments to function 'devm_gpiod_get_optional'
     pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable");
                       ^
   In file included from drivers/video/backlight/pwm_bl.c:13:0:
   include/linux/gpio/consumer.h:80:32: note: declared here
    struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev,
                                   ^

vim +/devm_gpiod_get_optional +245 drivers/video/backlight/pwm_bl.c

   239		pb->notify_after = data->notify_after;
   240		pb->check_fb = data->check_fb;
   241		pb->exit = data->exit;
   242		pb->dev = &pdev->dev;
   243		pb->enabled = false;
   244	
 > 245		pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable");
   246		if (IS_ERR(pb->enable_gpio)) {
   247			ret = PTR_ERR(pb->enable_gpio);
   248			goto err_alloc;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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