Hi Daniel, I love your patch! Yet something to improve: [auto build test ERROR on pm/linux-next] [cannot apply to v5.4-rc1 next-20191003] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Daniel-Lezcano/cpuidle-play_idle-Make-play_idle-more-flexible/20191003-205322 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: x86_64-lkp (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> ERROR: "cpuidle_find_deepest_state" [drivers/thermal/intel/intel_powerclamp.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation