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SubjectRe: [PATCH v2 5/5] drivers: media: platform: Add NPCM Video Capture/Encode Engine driver
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@intel.com/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@intel.com>

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

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