Hi Sakari, kernel test robot noticed the following build errors: [auto build test ERROR on c4b7779abc6633677e6edb79e2809f4f61fde157] url: https://github.com/intel-lab-lkp/linux/commits/Sakari-Ailus/media-v4l-Support-passing-media-pad-argument-to-v4l2_get_link_freq/20250119-224053 base: c4b7779abc6633677e6edb79e2809f4f61fde157 patch link: https://lore.kernel.org/r/20250119143904.114991-10-sakari.ailus%40linux.intel.com patch subject: [PATCH v9 9/9] media: v4l: Convert the users of v4l2_get_link_freq to call it on a pad config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250120/202501200204.0M82bJgt-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250120/202501200204.0M82bJgt-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/202501200204.0M82bJgt-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from drivers/media/platform/qcom/camss/camss.c:14: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/qcom/camss/camss.c:2057:2: error: use of undeclared identifier 'sensor_pad' 2057 | sensor_pad = camss_find_sensor_pad(entity); | ^ drivers/media/platform/qcom/camss/camss.c:2058:7: error: use of undeclared identifier 'sensor_pad'; did you mean 'seq_pad'? 2058 | if (!sensor_pad) | ^~~~~~~~~~ | seq_pad include/linux/seq_file.h:105:6: note: 'seq_pad' declared here 105 | void seq_pad(struct seq_file *m, char c); | ^ >> drivers/media/platform/qcom/camss/camss.c:2058:7: warning: address of function 'seq_pad' will always evaluate to 'true' [-Wpointer-bool-conversion] 2058 | if (!sensor_pad) | ~^~~~~~~~~~ drivers/media/platform/qcom/camss/camss.c:2058:7: note: prefix with the address-of operator to silence this warning 2058 | if (!sensor_pad) | ^ | & drivers/media/platform/qcom/camss/camss.c:2061:39: error: use of undeclared identifier 'sensor_pad' 2061 | subdev = media_entity_to_v4l2_subdev(sensor_pad->entity); | ^ drivers/media/platform/qcom/camss/camss.c:2061:39: error: use of undeclared identifier 'sensor_pad' 5 warnings and 4 errors generated. vim +/sensor_pad +2057 drivers/media/platform/qcom/camss/camss.c 2043 2044 /* 2045 * camss_get_pixel_clock - Get pixel clock rate from sensor 2046 * @entity: Media entity in the current pipeline 2047 * @pixel_clock: Received pixel clock value 2048 * 2049 * Return 0 on success or a negative error code otherwise 2050 */ 2051 int camss_get_pixel_clock(struct media_entity *entity, u64 *pixel_clock) 2052 { 2053 struct media_pad *sensor; 2054 struct v4l2_subdev *subdev; 2055 struct v4l2_ctrl *ctrl; 2056 > 2057 sensor_pad = camss_find_sensor_pad(entity); > 2058 if (!sensor_pad) 2059 return -ENODEV; 2060 2061 subdev = media_entity_to_v4l2_subdev(sensor_pad->entity); 2062 2063 ctrl = v4l2_ctrl_find(subdev->ctrl_handler, V4L2_CID_PIXEL_RATE); 2064 2065 if (!ctrl) 2066 return -EINVAL; 2067 2068 *pixel_clock = v4l2_ctrl_g_ctrl_int64(ctrl); 2069 2070 return 0; 2071 } 2072 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki