Hi Hyungwoo, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.12-rc2 next-20170524] [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/20170524-201204 base: git://linuxtv.org/media_tree.git master config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/media/i2c/ov13858.c: In function 'ov13858_prepare_streaming': >> drivers/media/i2c/ov13858.c:1568:2: error: implicit declaration of function '__v4l2_ctrl_handler_setup' [-Werror=implicit-function-declaration] __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler); ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/__v4l2_ctrl_handler_setup +1568 drivers/media/i2c/ov13858.c 1562 if (ret) { 1563 dev_err(&client->dev, "%s failed to set mode\n", __func__); 1564 return ret; 1565 } 1566 1567 /* Apply customized values from user */ > 1568 __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler); 1569 1570 /* Apply bayer order from user */ 1571 return ov13858_apply_bayer_order(ov13858); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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