Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on pm/linux-next] [also build test WARNING on linus/master next-20200207] [cannot apply to tip/sched/core linux/master v5.5] [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/lukasz-luba-arm-com/Add-support-for-devices-in-the-Energy-Model/20200208-123516 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: x86_64-randconfig-a003-20200208 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 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 <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/thermal/devfreq_cooling.c: In function 'freq_get_state': >> drivers/thermal/devfreq_cooling.c:207:2: warning: overflow in implicit constant conversion [-Woverflow] return THERMAL_CSTATE_INVALID; ^ vim +207 drivers/thermal/devfreq_cooling.c a76caf55e5b356b Ørjan Eide 2015-09-10 188 a76caf55e5b356b Ørjan Eide 2015-09-10 189 /** ed9aa27ba36cc93 Lukasz Luba 2020-02-06 190 * freq_get_state() - get the performance index corresponding to a frequency a76caf55e5b356b Ørjan Eide 2015-09-10 191 * @dfc: Pointer to devfreq cooling device ed9aa27ba36cc93 Lukasz Luba 2020-02-06 192 * @freq: frequency in kHz a76caf55e5b356b Ørjan Eide 2015-09-10 193 * ed9aa27ba36cc93 Lukasz Luba 2020-02-06 194 * Return: the performance index associated with the @freq, or a76caf55e5b356b Ørjan Eide 2015-09-10 195 * THERMAL_CSTATE_INVALID if it wasn't found. a76caf55e5b356b Ørjan Eide 2015-09-10 196 */ ed9aa27ba36cc93 Lukasz Luba 2020-02-06 197 static int a76caf55e5b356b Ørjan Eide 2015-09-10 198 freq_get_state(struct devfreq_cooling_device *dfc, unsigned long freq) a76caf55e5b356b Ørjan Eide 2015-09-10 199 { a76caf55e5b356b Ørjan Eide 2015-09-10 200 int i; a76caf55e5b356b Ørjan Eide 2015-09-10 201 ed9aa27ba36cc93 Lukasz Luba 2020-02-06 202 for (i = 0; i <= dfc->max_level; i++) { ed9aa27ba36cc93 Lukasz Luba 2020-02-06 203 if (dfc->em->table[i].frequency == freq) a76caf55e5b356b Ørjan Eide 2015-09-10 204 return i; a76caf55e5b356b Ørjan Eide 2015-09-10 205 } a76caf55e5b356b Ørjan Eide 2015-09-10 206 a76caf55e5b356b Ørjan Eide 2015-09-10 @207 return THERMAL_CSTATE_INVALID; a76caf55e5b356b Ørjan Eide 2015-09-10 208 } a76caf55e5b356b Ørjan Eide 2015-09-10 209 :::::: The code at line 207 was first introduced by commit :::::: a76caf55e5b356ba20a5a43ac4d9f7a04b20941d thermal: Add devfreq cooling :::::: TO: Ørjan Eide <orjan.eide@xxxxxxx> :::::: CC: Eduardo Valentin <edubezval@xxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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