Hi Matthias, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.17 next-20180608] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Matthias-Kaehlcke/Add-throttler-driver-for-non-thermal-throttling/20180609-061437 config: i386-randconfig-a0-201822 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/trace/events/thermal.h:8:0, from drivers/thermal/thermal_helpers.c:24: >> include/linux/devfreq.h:447:3: warning: 'struct defreq_policy' declared inside parameter list unsigned int min, unsigned int max) ^ >> include/linux/devfreq.h:447:3: warning: its scope is only this definition or declaration, which is probably not what you want >> include/linux/devfreq.h:452:41: warning: 'struct cpufreq_policy' declared inside parameter list devfreq_verify_within_dev_limits(struct cpufreq_policy *policy) ^ vim +447 include/linux/devfreq.h 445 446 static inline void devfreq_verify_within_limits(struct defreq_policy *policy, > 447 unsigned int min, unsigned int max) 448 { 449 } 450 451 static inline void > 452 devfreq_verify_within_dev_limits(struct cpufreq_policy *policy) 453 { 454 } 455 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation