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

On Fri, 2015-10-16 at 10:42 +0800, kbuild test robot wrote:

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':

quoted

quoted

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

Sorry, I made a mistake.
I will send patch v2 to fix it.

YH Huang