The rtw89 depends on multicolor LED module, but for the case multicolor LED is module and rtw89 is built-in driver, like CONFIG_LEDS_CLASS_MULTICOLOR=m CONFIG_RTW89=y CONFIG_RTW89_LEDS_MC=y The linker reports error: ld.lld: error: undefined symbol: led_classdev_multicolor_register_ext Avoid this case, and summerize the supported combination as below CONFIG_LEDS_CLASS_MULTICOLOR y m m CONFIG_RTW89 y/m m y support O O X Fixes: 721d90c8509a ("wifi: rtw89: add multicolor LED support for RTL8852CU valve board") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202609172315.ZYoKvKBS-lkp@intel.com/ Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/Kconfig b/drivers/net/wireless/realtek/rtw89/Kconfig index 7c678dd1f6b3..9c6c16af7f35 100644 --- a/drivers/net/wireless/realtek/rtw89/Kconfig +++ b/drivers/net/wireless/realtek/rtw89/Kconfig @@ -215,7 +215,7 @@ config RTW89_LEDS config RTW89_LEDS_MC bool depends on RTW89_LEDS - depends on LEDS_CLASS_MULTICOLOR + depends on LEDS_CLASS_MULTICOLOR=y || LEDS_CLASS_MULTICOLOR=RTW89_CORE imply LEDS_TRIGGER_TIMER default y base-commit: 73e3b1c94c7d5b4a113e7cbb42665dc2fe3b9d78 -- 2.25.1