kernel version
Linux bananapim2plus 5.15.93-sunxi #23.02.2 SMP Fri Feb 17 23:49:46 UTC 2023 armv7l GNU/Linux
dmesg
[ 1065.023248] udc-core: couldn't find an available UDC or it's busy
[ 1065.023290] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 1193.665509] udc-core: couldn't find an available UDC or it's busy
[ 1193.665534] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 2883.115015] udc-core: couldn't find an available UDC or it's busy
[ 2883.115040] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 2908.077549] udc-core: couldn't find an available UDC or it's busy
[ 2908.077574] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 2918.836034] udc-core: couldn't find an available UDC or it's busy
[ 2918.836060] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 2941.725657] udc-core: couldn't find an available UDC or it's busy
[ 2941.725681] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 2968.413688] udc-core: couldn't find an available UDC or it's busy
[ 2968.413712] misc raw-gadget: fail, usb_gadget_probe_driver returned -16