reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git/commit/?id=51f7560294c911e9394357a903ffa28eebe4b253
        git remote add lee-leds https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git
        git fetch --no-tags lee-leds for-leds-next
        git checkout 51f7560294c911e9394357a903ffa28eebe4b253
        # choose either of the following two methods to reproduce the issue
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_LEDS_LP5860_CORE --selectors CONFIG_LEDS_LP5860_SPI -a=alpha
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=alpha olddefconfig