From: kernel test robot <lkp@intel.com>
To: Johnson Tsai <wenjie.tsai@realtek.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
"Ping-Ke Shih" <pkshih@realtek.com>
Subject: ld.lld: error: undefined symbol: led_classdev_multicolor_unregister
Date: Thu, 17 Sep 2026 23:26:59 +0200 [thread overview]
Message-ID: <202609172315.ZYoKvKBS-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b5a051f6b840d48f159166ef073d3021989bfb50
commit: 721d90c8509aee195c3714b70c4cff612fbb3a1c wifi: rtw89: add multicolor LED support for RTL8852CU valve board
date: 8 weeks ago
config: hexagon-randconfig-r072-20260915 (https://download.01.org/0day-ci/archive/20260917/202609172315.ZYoKvKBS-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260917/202609172315.ZYoKvKBS-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 721d90c8509a ("wifi: rtw89: add multicolor LED support for RTL8852CU valve board")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609172315.ZYoKvKBS-lkp@intel.com/
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: led_classdev_multicolor_register_ext
>>> referenced by led_mc.c:67 (drivers/net/wireless/realtek/rtw89/led_mc.c:67)
>>> drivers/net/wireless/realtek/rtw89/led_mc.o:(rtw89_led_mc_init) in archive vmlinux.a
>>> referenced by led_mc.c:67 (drivers/net/wireless/realtek/rtw89/led_mc.c:67)
>>> drivers/net/wireless/realtek/rtw89/led_mc.o:(rtw89_led_mc_init) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: led_classdev_multicolor_unregister
>>> referenced by led_mc.c:80 (drivers/net/wireless/realtek/rtw89/led_mc.c:80)
>>> drivers/net/wireless/realtek/rtw89/led_mc.o:(rtw89_led_mc_deinit) in archive vmlinux.a
>>> referenced by led_mc.c:80 (drivers/net/wireless/realtek/rtw89/led_mc.c:80)
>>> drivers/net/wireless/realtek/rtw89/led_mc.o:(rtw89_led_mc_deinit) in archive vmlinux.a
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-09-17 21:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 21:26 kernel test robot [this message]
2026-09-18 2:14 ` ld.lld: error: undefined symbol: led_classdev_multicolor_unregister Ping-Ke Shih
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