Moi, On Sat, Apr 09, 2022 at 04:09:35AM +0800, kernel test robot wrote: > tree: git://linuxtv.org/sailus/media_tree.git master > head: bd1d801f302289ddbf86ff6c38fcc91aef8e7609 > commit: 3f1a6a471c6a8b5ba772cb82538ad03fa0255e7c [28/30] media: subdev: add locking wrappers to subdev op wrappers > config: arm-randconfig-r022-20220408 (https://download.01.org/0day-ci/archive/20220409/202204090350.ZbhpomcE-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c29a51b3a257908aebc01cd7c4655665db317d66) > 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 > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > git remote add sailus-media-tree git://linuxtv.org/sailus/media_tree.git > git fetch --no-tags sailus-media-tree master > git checkout 3f1a6a471c6a8b5ba772cb82538ad03fa0255e7c > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/media/v4l2-core/ > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All error/warnings (new ones prefixed by >>): > > >> drivers/media/v4l2-core/v4l2-subdev.c:342:1: error: implicit declaration of function 'v4l2_subdev_lock_and_get_active_state' is invalid in C99 [-Werror,-Wimplicit-function-declaration] > DEFINE_STATE_WRAPPER(get_fmt, struct v4l2_subdev_format); > ^ > drivers/media/v4l2-core/v4l2-subdev.c:335:12: note: expanded from macro 'DEFINE_STATE_WRAPPER' > state = v4l2_subdev_lock_and_get_active_state(sd); \ I guess this happens if MC is disabled? Maybe something else, too? -- Sakari Ailus
