Hi Julien, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.0-rc6 next-20220921] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Julien-Panis/ECAP-support-on-TI-AM62x-SoC/20220921-180742 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220922/202209220145.SYlF1Xt8-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f8a0bbe39ba2d6018559e92fb0c66b789387b293 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Julien-Panis/ECAP-support-on-TI-AM62x-SoC/20220921-180742 git checkout f8a0bbe39ba2d6018559e92fb0c66b789387b293 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/counter/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/counter/ti-ecap-capture.c: In function 'ecap_cnt_watch_validate': drivers/counter/ti-ecap-capture.c:234:66: error: 'COUNTER_EVENT_CAPTURE' undeclared (first use in this function); did you mean 'COUNTER_EVENT_INDEX'? 234 | if ((watch->channel <= ECAP_CEVT_LAST && watch->event == COUNTER_EVENT_CAPTURE) || | ^~~~~~~~~~~~~~~~~~~~~ | COUNTER_EVENT_INDEX drivers/counter/ti-ecap-capture.c:234:66: note: each undeclared identifier is reported only once for each function it appears in drivers/counter/ti-ecap-capture.c: At top level: >> drivers/counter/ti-ecap-capture.c:253:47: warning: 'enum counter_signal_polarity' declared inside parameter list will not be visible outside of this definition or declaration 253 | size_t idx, enum counter_signal_polarity *pol) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c: In function 'ecap_cnt_pol_read': drivers/counter/ti-ecap-capture.c:259:16: error: 'COUNTER_SIGNAL_POLARITY_NEGATIVE' undeclared (first use in this function) 259 | COUNTER_SIGNAL_POLARITY_NEGATIVE : | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:260:16: error: 'COUNTER_SIGNAL_POLARITY_POSITIVE' undeclared (first use in this function) 260 | COUNTER_SIGNAL_POLARITY_POSITIVE; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:258:14: error: invalid use of undefined type 'enum counter_signal_polarity' 258 | *pol = regmap_test_bits(ecap_dev->regmap, ECAP_ECCTL_REG, ECAP_CAPPOL_BIT(idx)) ? | ^ drivers/counter/ti-ecap-capture.c: At top level: drivers/counter/ti-ecap-capture.c:268:48: warning: 'enum counter_signal_polarity' declared inside parameter list will not be visible outside of this definition or declaration 268 | size_t idx, enum counter_signal_polarity pol) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:268:72: error: parameter 4 ('pol') has incomplete type 268 | size_t idx, enum counter_signal_polarity pol) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ drivers/counter/ti-ecap-capture.c:266:12: error: function declaration isn't a prototype [-Werror=strict-prototypes] 266 | static int ecap_cnt_pol_write(struct counter_device *counter, | ^~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c: In function 'ecap_cnt_pol_write': drivers/counter/ti-ecap-capture.c:276:20: error: 'COUNTER_SIGNAL_POLARITY_NEGATIVE' undeclared (first use in this function) 276 | if (pol == COUNTER_SIGNAL_POLARITY_NEGATIVE) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c: At top level: drivers/counter/ti-ecap-capture.c:375:43: error: array type has incomplete element type 'enum counter_signal_polarity' 375 | static const enum counter_signal_polarity ecap_cnt_pol_avail[] = { | ^~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:376:9: error: 'COUNTER_SIGNAL_POLARITY_POSITIVE' undeclared here (not in a function) 376 | COUNTER_SIGNAL_POLARITY_POSITIVE, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:377:9: error: 'COUNTER_SIGNAL_POLARITY_NEGATIVE' undeclared here (not in a function) 377 | COUNTER_SIGNAL_POLARITY_NEGATIVE, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:380:77: error: expected ')' before '(' token 380 | static DEFINE_COUNTER_ARRAY_POLARITY(ecap_cnt_pol_array, ecap_cnt_pol_avail, ECAP_NB_CEVT); | ^ | ) drivers/counter/ti-ecap-capture.c:383:9: error: implicit declaration of function 'COUNTER_COMP_ARRAY_POLARITY' [-Werror=implicit-function-declaration] 383 | COUNTER_COMP_ARRAY_POLARITY(ecap_cnt_pol_read, ecap_cnt_pol_write, ecap_cnt_pol_array), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/counter/ti-ecap-capture.c:383:76: error: 'ecap_cnt_pol_array' undeclared here (not in a function); did you mean 'ecap_cnt_pol_read'? 383 | COUNTER_COMP_ARRAY_POLARITY(ecap_cnt_pol_read, ecap_cnt_pol_write, ecap_cnt_pol_array), | ^~~~~~~~~~~~~~~~~~ | ecap_cnt_pol_read drivers/counter/ti-ecap-capture.c:414:52: error: expected ')' before '(' token 414 | static DEFINE_COUNTER_ARRAY_U64(ecap_cnt_cap_array, ECAP_NB_CEVT); | ^ | ) drivers/counter/ti-ecap-capture.c:417:9: error: implicit declaration of function 'COUNTER_COMP_COUNT_ARRAY_U64'; did you mean 'COUNTER_COMP_COUNT_U64'? [-Werror=implicit-function-declaration] 417 | COUNTER_COMP_COUNT_ARRAY_U64("capture", ecap_cnt_cap_read, NULL, ecap_cnt_cap_array), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ | COUNTER_COMP_COUNT_U64 drivers/counter/ti-ecap-capture.c:417:74: error: 'ecap_cnt_cap_array' undeclared here (not in a function); did you mean 'ecap_cnt_cap_read'? 417 | COUNTER_COMP_COUNT_ARRAY_U64("capture", ecap_cnt_cap_read, NULL, ecap_cnt_cap_array), | ^~~~~~~~~~~~~~~~~~ | ecap_cnt_cap_read drivers/counter/ti-ecap-capture.c: In function 'ecap_cnt_isr': drivers/counter/ti-ecap-capture.c:449:57: error: 'COUNTER_EVENT_CAPTURE' undeclared (first use in this function); did you mean 'COUNTER_EVENT_INDEX'? 449 | counter_push_event(counter_dev, COUNTER_EVENT_CAPTURE, i); | ^~~~~~~~~~~~~~~~~~~~~ | COUNTER_EVENT_INDEX drivers/counter/ti-ecap-capture.c: At top level: drivers/counter/ti-ecap-capture.c:375:43: warning: 'ecap_cnt_pol_avail' defined but not used [-Wunused-variable] 375 | static const enum counter_signal_polarity ecap_cnt_pol_avail[] = { | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +253 drivers/counter/ti-ecap-capture.c 250 251 static int ecap_cnt_pol_read(struct counter_device *counter, 252 struct counter_signal *signal, > 253 size_t idx, enum counter_signal_polarity *pol) 254 { 255 struct ecap_cnt_dev *ecap_dev = counter_priv(counter); 256 257 pm_runtime_get_sync(counter->parent); 258 *pol = regmap_test_bits(ecap_dev->regmap, ECAP_ECCTL_REG, ECAP_CAPPOL_BIT(idx)) ? 259 COUNTER_SIGNAL_POLARITY_NEGATIVE : 260 COUNTER_SIGNAL_POLARITY_POSITIVE; 261 pm_runtime_put_sync(counter->parent); 262 263 return 0; 264 } 265 -- 0-DAY CI Kernel Test Service https://01.org/lkp