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

From: YH Huang
Date: Fri Oct 16 2015 - 04:50:03 EST


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':
> >> 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


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