linux-kernel - include/linux/leds.h:193: undefined reference to `devm_led_classdev_register

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Date:   Fri, 5 Jun 2020 19:32:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Takashi Iwai <tiwai@...e.de>
Subject: include/linux/leds.h:193: undefined reference to
 `devm_led_classdev_register_ext'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   435faf5c218a47fd6258187f62d9bb1009717896
commit: 87dc36482cab3a4ea34f203fc3f4da35712eb783 ALSA: hda/realtek - Add LED class support for micmute LED
date:   5 weeks ago
config: i386-randconfig-a002-20200526 (attached as .config)
compiler: gcc-4.9 (Ubuntu 4.9.3-13ubuntu2) 4.9.3
reproduce (this is a W=1 build):
        git checkout 87dc36482cab3a4ea34f203fc3f4da35712eb783
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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 <<):

ld: sound/pci/hda/patch_realtek.o: in function `devm_led_classdev_register':
>> include/linux/leds.h:193: undefined reference to `devm_led_classdev_register_ext'

vim +193 include/linux/leds.h

7c322056e3564d Jacek Anaszewski 2019-08-26  185  
ec28a8cfdce630 Dan Murphy       2019-10-02  186  int devm_led_classdev_register_ext(struct device *parent,
b2b998c0f94499 Jacek Anaszewski 2019-06-09  187  					  struct led_classdev *led_cdev,
b2b998c0f94499 Jacek Anaszewski 2019-06-09  188  					  struct led_init_data *init_data);
7c322056e3564d Jacek Anaszewski 2019-08-26  189  
7c322056e3564d Jacek Anaszewski 2019-08-26  190  static inline int devm_led_classdev_register(struct device *parent,
7c322056e3564d Jacek Anaszewski 2019-08-26  191  					     struct led_classdev *led_cdev)
7c322056e3564d Jacek Anaszewski 2019-08-26  192  {
7c322056e3564d Jacek Anaszewski 2019-08-26 @193  	return devm_led_classdev_register_ext(parent, led_cdev, NULL);
7c322056e3564d Jacek Anaszewski 2019-08-26  194  }
ec28a8cfdce630 Dan Murphy       2019-10-02  195  void led_classdev_unregister(struct led_classdev *led_cdev);
ec28a8cfdce630 Dan Murphy       2019-10-02  196  void devm_led_classdev_unregister(struct device *parent,
ca1bb4ee4c3a01 Bjorn Andersson  2015-02-23  197  				  struct led_classdev *led_cdev);
ec28a8cfdce630 Dan Murphy       2019-10-02  198  void led_classdev_suspend(struct led_classdev *led_cdev);
ec28a8cfdce630 Dan Murphy       2019-10-02  199  void led_classdev_resume(struct led_classdev *led_cdev);
c72a1d608dd0eb Richard Purdie   2006-03-31  200  

:::::: The code at line 193 was first introduced by commit
:::::: 7c322056e3564da1b5bdc3f3cb79229582955eb2 leds: Replace {devm_}led_classdev_register() macros with inlines

:::::: TO: Jacek Anaszewski <jacek.anaszewski@...il.com>
:::::: CC: Jacek Anaszewski <jacek.anaszewski@...il.com>

---
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Download attachment ".config.gz" of type "application/gzip" (34633 bytes)