Re: [PATCH v4 06/11] media: v4l2-core: Built async and fwnode code into videodev.ko

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Hi,

On 1/19/23 20:47, kernel test robot wrote:
> Hi Hans,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v6.2-rc4]
> [cannot apply to media-tree/master pavel-leds/for-next next-20230119]
> [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#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Hans-de-Goede/leds-led-class-Add-missing-put_device-to-led_put/20230119-210441
> patch link:    https://lore.kernel.org/r/20230119130053.111344-7-hdegoede%40redhat.com
> patch subject: [PATCH v4 06/11] media: v4l2-core: Built async and fwnode code into videodev.ko
> config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230120/202301200320.AbLvd1xh-lkp@xxxxxxxxx/config)
> compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
> reproduce (this is a W=1 build):
>         # https://github.com/intel-lab-lkp/linux/commit/adfeffb48aad34dd2148e22caaf13d67cd92c285
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Hans-de-Goede/leds-led-class-Add-missing-put_device-to-led_put/20230119-210441
>         git checkout adfeffb48aad34dd2148e22caaf13d67cd92c285
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         make W=1 O=build_dir ARCH=x86_64 olddefconfig
>         make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> All errors (new ones prefixed by >>):
> 
>    ld: vmlinux.o: in function `videodev_init':
>>> v4l2-dev.c:(.init.text+0x4c7c5): undefined reference to `v4l2_async_debugfs_init'
>    ld: vmlinux.o: in function `videodev_exit':
>>> v4l2-dev.c:(.exit.text+0x1f95): undefined reference to `v4l2_async_debugfs_exit'


Right, v4l2_async_debugfs_init + v4l2_async_debugfs_exit need
static inline stubs for when CONFIG_V4L2_ASYNC is not set,
I will fix this in the next version.

Regards,

Hans






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