Hi Tylor, kernel test robot noticed the following build errors: [auto build test ERROR on hid/for-next] [also build test ERROR on dtor-input/next dtor-input/for-linus robh/for-next linus/master v6.6-rc6 next-20231018] [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/Tylor-Yang/dt-bindings-input-Introduce-Himax-HID-over-SPI-device/20231017-172156 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20231017091900.801989-5-tylor_yang%40himax.corp-partner.google.com patch subject: [PATCH v3 4/4] HID: touchscreen: Add initial support for Himax HID-over-SPI config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20231019/202310191454.v9qp5FPx-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231019/202310191454.v9qp5FPx-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310191454.v9qp5FPx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/hid/hx-hid/hx_core.c: In function 'himax_boot_upgrade': drivers/hid/hx-hid/hx_core.c:701:14: warning: variable 'fw_load_status' set but not used [-Wunused-but-set-variable] 701 | bool fw_load_status = false; | ^~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c: At top level: drivers/hid/hx-hid/hx_core.c:831:6: warning: no previous prototype for 'hx_hid_update' [-Wmissing-prototypes] 831 | void hx_hid_update(struct work_struct *work) | ^~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c:890:6: warning: no previous prototype for 'himax_report_data_deinit' [-Wmissing-prototypes] 890 | void himax_report_data_deinit(struct himax_ts_data *ts) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c:940:5: warning: no previous prototype for 'himax_chip_suspend' [-Wmissing-prototypes] 940 | int himax_chip_suspend(struct himax_ts_data *ts) | ^~~~~~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c: In function 'himax_chip_suspend': drivers/hid/hx-hid/hx_core.c:942:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 942 | int ret = 0; | ^~~ drivers/hid/hx-hid/hx_core.c: At top level: drivers/hid/hx-hid/hx_core.c:983:5: warning: no previous prototype for 'himax_chip_resume' [-Wmissing-prototypes] 983 | int himax_chip_resume(struct himax_ts_data *ts) | ^~~~~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c: In function 'himax_resume': >> drivers/hid/hx-hid/hx_core.c:1047:21: error: too few arguments to function 'himax_chip_init' 1047 | if (himax_chip_init()) | ^~~~~~~~~~~~~~~ In file included from drivers/hid/hx-hid/hx_ic_core.h:6, from drivers/hid/hx-hid/hx_core.c:16: drivers/hid/hx-hid/hx_core.h:485:5: note: declared here 485 | int himax_chip_init(struct himax_ts_data *ts); | ^~~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c: At top level: drivers/hid/hx-hid/hx_core.c:1212:6: warning: no previous prototype for 'himax_chip_deinit' [-Wmissing-prototypes] 1212 | void himax_chip_deinit(struct himax_ts_data *ts) | ^~~~~~~~~~~~~~~~~ drivers/hid/hx-hid/hx_core.c: In function 'himax_platform_init': drivers/hid/hx-hid/hx_core.c:1271:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 1271 | int err = PROBE_FAIL; | ^~~ drivers/hid/hx-hid/hx_core.c: At top level: drivers/hid/hx-hid/hx_core.c:1353:5: warning: no previous prototype for 'himax_spi_drv_probe' [-Wmissing-prototypes] 1353 | int himax_spi_drv_probe(struct spi_device *spi) | ^~~~~~~~~~~~~~~~~~~ vim +/himax_chip_init +1047 drivers/hid/hx-hid/hx_core.c 66a3d0692ad03f Tylor Yang 2023-10-17 1034 66a3d0692ad03f Tylor Yang 2023-10-17 1035 int himax_resume(struct device *dev) 66a3d0692ad03f Tylor Yang 2023-10-17 1036 { 66a3d0692ad03f Tylor Yang 2023-10-17 1037 int ret = 0; 66a3d0692ad03f Tylor Yang 2023-10-17 1038 struct himax_ts_data *ts = dev_get_drvdata(dev); 66a3d0692ad03f Tylor Yang 2023-10-17 1039 66a3d0692ad03f Tylor Yang 2023-10-17 1040 I("enter"); 66a3d0692ad03f Tylor Yang 2023-10-17 1041 /* 66a3d0692ad03f Tylor Yang 2023-10-17 1042 * wait until device resume for TDDI 66a3d0692ad03f Tylor Yang 2023-10-17 1043 * TDDI: Touch and display Driver IC 66a3d0692ad03f Tylor Yang 2023-10-17 1044 */ 66a3d0692ad03f Tylor Yang 2023-10-17 1045 if (!ts->initialized) { 66a3d0692ad03f Tylor Yang 2023-10-17 1046 #if !defined(CONFIG_FB) 66a3d0692ad03f Tylor Yang 2023-10-17 @1047 if (himax_chip_init()) 66a3d0692ad03f Tylor Yang 2023-10-17 1048 return -ECANCELED; 66a3d0692ad03f Tylor Yang 2023-10-17 1049 #else 66a3d0692ad03f Tylor Yang 2023-10-17 1050 E("init not ready, skip!"); 66a3d0692ad03f Tylor Yang 2023-10-17 1051 return -ECANCELED; 66a3d0692ad03f Tylor Yang 2023-10-17 1052 #endif 66a3d0692ad03f Tylor Yang 2023-10-17 1053 } 66a3d0692ad03f Tylor Yang 2023-10-17 1054 ret = himax_chip_resume(ts); 66a3d0692ad03f Tylor Yang 2023-10-17 1055 if (ret < 0) { 66a3d0692ad03f Tylor Yang 2023-10-17 1056 E("resume failed!"); 66a3d0692ad03f Tylor Yang 2023-10-17 1057 I("retry resume"); 66a3d0692ad03f Tylor Yang 2023-10-17 1058 schedule_delayed_work(&ts->work_resume_delayed_work, 66a3d0692ad03f Tylor Yang 2023-10-17 1059 msecs_to_jiffies(ts->pdata->ic_resume_delay)); 66a3d0692ad03f Tylor Yang 2023-10-17 1060 // I("try int rescue"); 66a3d0692ad03f Tylor Yang 2023-10-17 1061 // himax_int_enable(ts, 1); 66a3d0692ad03f Tylor Yang 2023-10-17 1062 } 66a3d0692ad03f Tylor Yang 2023-10-17 1063 66a3d0692ad03f Tylor Yang 2023-10-17 1064 return ret; 66a3d0692ad03f Tylor Yang 2023-10-17 1065 } 66a3d0692ad03f Tylor Yang 2023-10-17 1066 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki