Hi Marvin, Thank you for the patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on linux/master linus/master v5.18-rc6] [cannot apply to media-tree/master next-20220512] [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/intel-lab-lkp/linux/commits/Marvin-Lin/Support-Nuvoton-NPCM-Video-Capture-Encode-Engine/20220513-113806 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220513/202205131804.AMALhZXJ-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/7fa1f7750e7317479ce2c2c043b44fa19c46b1a8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Marvin-Lin/Support-Nuvoton-NPCM-Video-Capture-Encode-Engine/20220513-113806 git checkout 7fa1f7750e7317479ce2c2c043b44fa19c46b1a8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/media/platform/nuvoton/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/media/platform/nuvoton/npcm-video.c: In function 'nuvoton_video_buf_queue': drivers/media/platform/nuvoton/npcm-video.c:1776:13: warning: variable 'empty' set but not used [-Wunused-but-set-variable] 1776 | int empty; | ^~~~~ drivers/media/platform/nuvoton/npcm-video.c: At top level: >> drivers/media/platform/nuvoton/npcm-video.c:2060:1: error: expected ',' or ';' before 'static' 2060 | static struct platform_driver nuvoton_video_driver = { | ^~~~~~ In file included from drivers/media/platform/nuvoton/npcm-video.c:24: drivers/media/platform/nuvoton/npcm-video.c: In function 'nuvoton_video_driver_init': >> drivers/media/platform/nuvoton/npcm-video.c:2069:24: error: 'nuvoton_video_driver' undeclared (first use in this function); did you mean 'nuvoton_video_probe'? 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~ include/linux/platform_device.h:222:36: note: in definition of macro 'platform_driver_register' 222 | __platform_driver_register(drv, THIS_MODULE) | ^~~ include/linux/platform_device.h:252:9: note: in expansion of macro 'module_driver' 252 | module_driver(__platform_driver, platform_driver_register, \ | ^~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:2069:1: note: in expansion of macro 'module_platform_driver' 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:2069:24: note: each undeclared identifier is reported only once for each function it appears in 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~ include/linux/platform_device.h:222:36: note: in definition of macro 'platform_driver_register' 222 | __platform_driver_register(drv, THIS_MODULE) | ^~~ include/linux/platform_device.h:252:9: note: in expansion of macro 'module_driver' 252 | module_driver(__platform_driver, platform_driver_register, \ | ^~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:2069:1: note: in expansion of macro 'module_platform_driver' 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/device.h:32, from drivers/media/platform/nuvoton/npcm-video.c:14: drivers/media/platform/nuvoton/npcm-video.c: In function 'nuvoton_video_driver_exit': >> drivers/media/platform/nuvoton/npcm-video.c:2069:24: error: 'nuvoton_video_driver' undeclared (first use in this function); did you mean 'nuvoton_video_probe'? 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~ include/linux/device/driver.h:267:24: note: in definition of macro 'module_driver' 267 | __unregister(&(__driver) , ##__VA_ARGS__); \ | ^~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:2069:1: note: in expansion of macro 'module_platform_driver' 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c: In function 'nuvoton_video_driver_init': include/linux/device/driver.h:263:1: error: control reaches end of non-void function [-Werror=return-type] 263 | } \ | ^ include/linux/platform_device.h:252:9: note: in expansion of macro 'module_driver' 252 | module_driver(__platform_driver, platform_driver_register, \ | ^~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:2069:1: note: in expansion of macro 'module_platform_driver' 2069 | module_platform_driver(nuvoton_video_driver); | ^~~~~~~~~~~~~~~~~~~~~~ At top level: drivers/media/platform/nuvoton/npcm-video.c:2030:12: warning: 'nuvoton_video_remove' defined but not used [-Wunused-function] 2030 | static int nuvoton_video_remove(struct platform_device *pdev) | ^~~~~~~~~~~~~~~~~~~~ drivers/media/platform/nuvoton/npcm-video.c:1954:12: warning: 'nuvoton_video_probe' defined but not used [-Wunused-function] 1954 | static int nuvoton_video_probe(struct platform_device *pdev) | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +2060 drivers/media/platform/nuvoton/npcm-video.c 2059 > 2060 static struct platform_driver nuvoton_video_driver = { 2061 .driver = { 2062 .name = DEVICE_NAME, 2063 .of_match_table = nuvoton_video_match, 2064 }, 2065 .probe = nuvoton_video_probe, 2066 .remove = nuvoton_video_remove, 2067 }; 2068 > 2069 module_platform_driver(nuvoton_video_driver); 2070 -- 0-DAY CI Kernel Test Service https://01.org/lkp
