Hi Jacek, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7379047d5585187d1288486d4627873170d0005a commit: 42bd6f59ae90244484746696aabcafc0003f59c7 media: Add registration helpers for V4L2 flash sub-devices date: 4 months ago config: x86_64-randconfig-s3-10192025 (attached as .config) reproduce: git checkout 42bd6f59ae90244484746696aabcafc0003f59c7 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/built-in.o: In function `sur40_disconnect': sur40.c:(.text+0x16dff9): undefined reference to `video_unregister_device' sur40.c:(.text+0x16e002): undefined reference to `v4l2_device_unregister' drivers/built-in.o: In function `sur40_process_video': sur40.c:(.text+0x16e375): undefined reference to `v4l2_get_timestamp' drivers/built-in.o: In function `sur40_vidioc_querycap': sur40.c:(.text+0x16e83b): undefined reference to `video_devdata' drivers/built-in.o: In function `sur40_probe': sur40.c:(.text+0x16ec5b): undefined reference to `v4l2_device_register' sur40.c:(.text+0x16ecf2): undefined reference to `v4l2_device_unregister' sur40.c:(.text+0x16edb3): undefined reference to `video_device_release_empty' sur40.c:(.text+0x16edf5): undefined reference to `__video_register_device' sur40.c:(.text+0x16ee2d): undefined reference to `video_unregister_device' drivers/built-in.o: In function `v4l2_flash_open': >> v4l2-flash-led-class.c:(.text+0x174ec0): undefined reference to >> `v4l2_fh_is_singular' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x1754e1): undefined reference to `v4l2_subdev_init' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x175852): undefined reference to `v4l2_ctrl_handler_init_class' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x17587e): undefined reference to `v4l2_ctrl_new_std' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x1758df): undefined reference to `v4l2_ctrl_new_std_menu' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x1758ff): undefined reference to `v4l2_ctrl_handler_free' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x175931): undefined reference to `v4l2_ctrl_handler_setup' drivers/built-in.o: In function `v4l2_flash_init': >> (.text+0x175941): undefined reference to `v4l2_async_register_subdev' drivers/built-in.o: In function `v4l2_flash_init': (.text+0x175957): undefined reference to `v4l2_ctrl_handler_free' drivers/built-in.o: In function `v4l2_flash_release': >> (.text+0x1759a0): undefined reference to `v4l2_async_unregister_subdev' drivers/built-in.o: In function `v4l2_flash_release': (.text+0x1759ac): undefined reference to `v4l2_ctrl_handler_free' drivers/built-in.o: In function `v4l2_flash_close': v4l2-flash-led-class.c:(.text+0x1759e0): undefined reference to `v4l2_fh_is_singular' >> v4l2-flash-led-class.c:(.text+0x175a3b): undefined reference to >> `__v4l2_ctrl_s_ctrl' drivers/built-in.o: In function `vb2_ioctl_streamon': (.text+0x17760e): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_ioctl_streamoff': (.text+0x17765e): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_ioctl_expbuf': (.text+0x1776ae): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_fop_mmap': (.text+0x1776fd): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_ioctl_querybuf': (.text+0x177d9d): undefined reference to `video_devdata' drivers/built-in.o:(.text+0x17826e): more undefined references to `video_devdata' follow drivers/built-in.o: In function `vb2_thread': videobuf2-core.c:(.text+0x179495): undefined reference to `v4l2_get_timestamp' drivers/built-in.o: In function `vb2_ioctl_create_bufs': (.text+0x179db4): undefined reference to `video_devdata' drivers/built-in.o: In function `_vb2_fop_release': (.text+0x17a2b4): undefined reference to `video_devdata' drivers/built-in.o: In function `_vb2_fop_release': (.text+0x17a2ea): undefined reference to `v4l2_fh_release' drivers/built-in.o: In function `vb2_fop_release': (.text+0x17a34d): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_poll': (.text+0x17a865): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_poll': (.text+0x17a9d4): undefined reference to `v4l2_event_pending' drivers/built-in.o: In function `vb2_fop_poll': (.text+0x17ab98): undefined reference to `video_devdata' drivers/built-in.o: In function `__vb2_perform_fileio': videobuf2-core.c:(.text+0x17b189): undefined reference to `v4l2_get_timestamp' drivers/built-in.o: In function `vb2_fop_write': (.text+0x17b36f): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_fop_read': (.text+0x17b48f): undefined reference to `video_devdata' drivers/built-in.o: In function `vb2_ioctl_reqbufs': (.text+0x17b724): undefined reference to `video_devdata' drivers/built-in.o:(.rodata+0x27100): undefined reference to `video_ioctl2' drivers/built-in.o:(.rodata+0x27118): undefined reference to `v4l2_fh_open' >> drivers/built-in.o:(.rodata+0x277b0): undefined reference to >> `v4l2_subdev_queryctrl' >> drivers/built-in.o:(.rodata+0x277e0): undefined reference to >> `v4l2_subdev_querymenu' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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