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040000 tree 135e13e3d03cba9d7032c22f291df80a9e43fc80	rockchip
040000 tree 713aa477e765d66899af1c1bb01fc397d38d8da7	usb
040000 tree c54fbc1a3d56d116e27809a90278bd27f373a2b4	usb_v1