Hi Daniel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on driver-core/driver-core-testing pm/linux-next v5.10-rc6 next-20201130] [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] url: https://github.com/0day-ci/linux/commits/Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014 base: git://linuxtv.org/media_tree.git master config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/05cb91d6b6272c4516b21b0ecd23a6ff8d861aae git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014 git checkout 05cb91d6b6272c4516b21b0ecd23a6ff8d861aae # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/pci/intel/ipu3/cio2-bridge.c:213:5: warning: no previous prototype for 'cio2_bridge_init' [-Wmissing-prototypes] 213 | int cio2_bridge_init(struct pci_dev *cio2) | ^~~~~~~~~~~~~~~~ vim +/cio2_bridge_init +213 drivers/media/pci/intel/ipu3/cio2-bridge.c 212 > 213 int cio2_bridge_init(struct pci_dev *cio2) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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