*** Warning: "video_device_release" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "video_usercopy" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_open" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "video_register_device" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "video_device_alloc" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_init" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "video_unregister_device" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_close" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_check" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "video_devdata" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_change" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined!
*** Warning: "v4l2_prio_max" [/nfs/cpia2_driver-2.0_mcam/cpia2.ko] undefined

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묘듈 컴파일 시 다음과 같은 워닝이 뜨네요.

arm 용 v4l2 를 설치 해야 하는지 ?

아니면 따로 설정을 해야 하는지 궁금합니다 .