When you have the unknown symbol in dmesg, you can find where to have the symbol by reading modules.symbols
# grep led_classdev_register /lib/modules/`uname -r`/modules.symbols alias symbol:led_classdev_register led_class
When you have the unknown symbol in dmesg, you can find where to have the symbol by reading modules.symbols
# grep led_classdev_ register /lib/modules/`uname -r`/modules.symbols led_classdev_ register led_class
alias symbol: