Hi Yunke, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus linuxtv-media-stage/master linus/master v6.7-rc4 next-20231205] [cannot apply to media-tree/master sailus-media-tree/streams] [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/Yunke-Cao/media-v4l2_ctrl-Add-V4L2_CTRL_TYPE_RECT/20231201-152501 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20231201071907.3080126-7-yunkec%40google.com patch subject: [PATCH v14 06/11] v4l2-ctrls: add support for V4L2_CTRL_WHICH_MIN/MAX_VAL config: i386-buildonly-randconfig-001-20231201 (https://download.01.org/0day-ci/archive/20231206/202312061239.MnFkbC6Q-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061239.MnFkbC6Q-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/202312061239.MnFkbC6Q-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/v4l2-core/v4l2-ctrls-core.c:309:6: warning: no previous prototype for 'v4l2_ctrl_type_op_minimum' [-Wmissing-prototypes] 309 | void v4l2_ctrl_type_op_minimum(const struct v4l2_ctrl *ctrl, u32 from_idx, | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/v4l2-core/v4l2-ctrls-core.c:315:6: warning: no previous prototype for 'v4l2_ctrl_type_op_maximum' [-Wmissing-prototypes] 315 | void v4l2_ctrl_type_op_maximum(const struct v4l2_ctrl *ctrl, u32 from_idx, | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/v4l2_ctrl_type_op_minimum +309 drivers/media/v4l2-core/v4l2-ctrls-core.c 308 > 309 void v4l2_ctrl_type_op_minimum(const struct v4l2_ctrl *ctrl, u32 from_idx, 310 union v4l2_ctrl_ptr ptr) 311 { 312 __v4l2_ctrl_type_op_init(ctrl, from_idx, V4L2_CTRL_WHICH_MIN_VAL, ptr); 313 } 314 > 315 void v4l2_ctrl_type_op_maximum(const struct v4l2_ctrl *ctrl, u32 from_idx, 316 union v4l2_ctrl_ptr ptr) 317 { 318 __v4l2_ctrl_type_op_init(ctrl, from_idx, V4L2_CTRL_WHICH_MAX_VAL, ptr); 319 } 320 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
