Hi Hyungwoo, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.12-rc3 next-20170602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Hyungwoo-Yang/i2c-add-support-for-OV13858-sensor/20170603-110225 base: git://linuxtv.org/media_tree.git master config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): drivers/media//i2c/ov13858.c: In function 'ov13858_start_streaming': >> drivers/media//i2c/ov13858.c:1411:9: error: implicit declaration of function '__v4l2_ctrl_handler_setup' [-Werror=implicit-function-declaration] ret = __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler); ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/__v4l2_ctrl_handler_setup +1411 drivers/media//i2c/ov13858.c 1405 if (ret) { 1406 dev_err(&client->dev, "%s failed to set mode\n", __func__); 1407 return ret; 1408 } 1409 1410 /* Apply customized values from user */ > 1411 ret = __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler); 1412 if (ret) 1413 return ret; 1414 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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