Hi Stephen, kernel test robot noticed the following build warnings: [auto build test WARNING on 8400291e289ee6b2bf9779ff1c83a291501f017b] url: https://github.com/intel-lab-lkp/linux/commits/Stephen-Boyd/drm-atomic-helper-Introduce-lane-remapping-support-to-bridges/20240820-064107 base: 8400291e289ee6b2bf9779ff1c83a291501f017b patch link: https://lore.kernel.org/r/20240819223834.2049862-8-swboyd%40chromium.org patch subject: [PATCH v3 07/17] drm/bridge: dp_typec: Support USB Type-C orientation config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20240820/202408201530.jPGxBSCk-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240820/202408201530.jPGxBSCk-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/202408201530.jPGxBSCk-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/bridge/aux-hpd-bridge.c:60: warning: Function parameter or struct member 'orientation_switch' not described in 'drm_dp_typec_bridge_typec_port' vim +60 drivers/gpu/drm/bridge/aux-hpd-bridge.c c77d47cea15ad1 Stephen Boyd 2024-08-19 46 c77d47cea15ad1 Stephen Boyd 2024-08-19 47 /** c77d47cea15ad1 Stephen Boyd 2024-08-19 48 * struct drm_dp_typec_bridge_typec_port - USB type-c port associated with DP bridge c77d47cea15ad1 Stephen Boyd 2024-08-19 49 * @lane_mapping: Physical (array index) to logical (array value) USB type-C lane mapping 9edcc62024ff61 Stephen Boyd 2024-08-19 50 * @orientation: Orientation of USB type-c port c77d47cea15ad1 Stephen Boyd 2024-08-19 51 * @mode_switch: DP altmode switch c77d47cea15ad1 Stephen Boyd 2024-08-19 52 * @typec_data: Back pointer to type-c bridge data c77d47cea15ad1 Stephen Boyd 2024-08-19 53 */ c77d47cea15ad1 Stephen Boyd 2024-08-19 54 struct drm_dp_typec_bridge_typec_port { c77d47cea15ad1 Stephen Boyd 2024-08-19 55 u32 lane_mapping[NUM_USB_SS]; 9edcc62024ff61 Stephen Boyd 2024-08-19 56 enum typec_orientation orientation; c77d47cea15ad1 Stephen Boyd 2024-08-19 57 struct typec_mux_dev *mode_switch; 9edcc62024ff61 Stephen Boyd 2024-08-19 58 struct typec_switch_dev *orientation_switch; c77d47cea15ad1 Stephen Boyd 2024-08-19 59 struct drm_dp_typec_bridge_data *typec_data; c77d47cea15ad1 Stephen Boyd 2024-08-19 @60 }; c77d47cea15ad1 Stephen Boyd 2024-08-19 61 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki