Hi Mauro, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx master head: 3a2a9dcee70777a85b3952269c47e6eb65779b78 commit: 57f1706d9ac1a75fd4e037ce7f7907020c5efe8c [12090/14520] scripts: kernel-doc: validate kernel-doc markup with the actual names config: x86_64-randconfig-a002-20230410 (https://download.01.org/0day-ci/archive/20230413/202304130004.4RRrP7hX-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/Xilinx/linux-xlnx/commit/57f1706d9ac1a75fd4e037ce7f7907020c5efe8c git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx master git checkout 57f1706d9ac1a75fd4e037ce7f7907020c5efe8c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/mc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304130004.4RRrP7hX-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/mc/mc-entity.c:308: warning: expecting prototype for media_entity_graph_walk_init(). Prototype was for media_graph_walk_init() instead vim +308 drivers/media/mc/mc-entity.c 3775b4799ae34a drivers/media/mc/mc-entity.c Laurent Pinchart 2014-03-26 294 3775b4799ae34a drivers/media/mc/mc-entity.c Laurent Pinchart 2014-03-26 295 /** 3775b4799ae34a drivers/media/mc/mc-entity.c Laurent Pinchart 2014-03-26 296 * media_entity_graph_walk_init - Allocate resources for graph walk e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 297 * @graph: Media graph structure that will be used to walk the graph e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 298 * @mdev: Media device e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 299 * e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 300 * Reserve resources for graph walk in media device's current e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 301 * state. The memory must be released using 20b852273642f4 drivers/media/media-entity.c Sakari Ailus 2016-11-21 302 * media_graph_walk_free(). e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 303 * e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 304 * Returns error on failure, zero on success. e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 305 */ 20b852273642f4 drivers/media/media-entity.c Sakari Ailus 2016-11-21 306 __must_check int media_graph_walk_init( 20b852273642f4 drivers/media/media-entity.c Sakari Ailus 2016-11-21 307 struct media_graph *graph, struct media_device *mdev) e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 @308 { 29d8da02d13020 drivers/media/media-entity.c Sakari Ailus 2015-12-16 309 return media_entity_enum_init(&graph->ent_enum, mdev); e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 310 } 20b852273642f4 drivers/media/media-entity.c Sakari Ailus 2016-11-21 311 EXPORT_SYMBOL_GPL(media_graph_walk_init); e03d220336dd69 drivers/media/media-entity.c Sakari Ailus 2015-12-16 312 :::::: The code at line 308 was first introduced by commit :::::: e03d220336dd69292370393f5eee98ac17eda308 [media] media: Amend media graph walk API by init and cleanup functions :::::: TO: Sakari Ailus <sakari.ailus@xxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
