linux-kernel - Re: [RESEND PATCH v27 11/15] leds: lp55xx: Add multicolor framework support to lp55xx

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Date:   Thu, 18 Jun 2020 00:28:06 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dan Murphy <dmurphy@...com>, jacek.anaszewski@...il.com,
        pavel@....cz, robh@...nel.org
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dan Murphy <dmurphy@...com>
Subject: Re: [RESEND PATCH v27 11/15] leds: lp55xx: Add multicolor framework
 support to lp55xx

Hi Dan,

I love your patch! Yet something to improve:

[auto build test ERROR on pavel-linux-leds/for-next]
[cannot apply to j.anaszewski-leds/for-next]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dan-Murphy/Multicolor-Framework-v27/20200616-042217
base:   git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next
config: ia64-randconfig-r015-20200617 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

ia64-linux-ld: drivers/leds/leds-lp55xx-common.o: in function `lp55xx_set_mc_brightness':
>> drivers/leds/leds-lp55xx-common.c:146: undefined reference to `led_mc_calc_color_components'
ia64-linux-ld: drivers/leds/leds-lp55xx-common.o: in function `devm_led_classdev_multicolor_register':
>> include/linux/led-class-multicolor.h:74: undefined reference to `devm_led_classdev_multicolor_register_ext'

vim +146 drivers/leds/leds-lp55xx-common.c

   138	
   139	static int lp55xx_set_mc_brightness(struct led_classdev *cdev,
   140					    enum led_brightness brightness)
   141	{
   142		struct led_classdev_mc *mc_dev = lcdev_to_mccdev(cdev);
   143		struct lp55xx_led *led = mcled_cdev_to_led(mc_dev);
   144		struct lp55xx_device_config *cfg = led->chip->cfg;
   145	
 > 146		led_mc_calc_color_components(&led->mc_cdev, brightness);
   147		return cfg->multicolor_brightness_fn(led);
   148	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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