【产品型号】：打印服务器 – WPS系列-基本型 – WPS101 A1
【问题描述】：2019-04-15 15:14:41 kern.debug kernel: [ 8.090000] usblp 2-1:1.0: no of_node; not parsing pinctrl DT
2019-04-15 15:14:41 kern.info kernel: [ 8.110000] usblp 2-1:1.0: usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x04B8 pid 0x0005
2019-04-15 15:14:50 lpr.err p9100d[750]: socket: Address family not supported by protocol
2019-04-15 15:15:01 kern.info kernel: [ 36.820000] usblp0: removed
2019-04-15 15:15:02 kern.debug kernel: [ 37.950000] usblp 2-1:1.0: no of_node; not parsing pinctrl DT
2019-04-15 15:15:02 kern.info kernel: [ 37.970000] usblp 2-1:1.0: usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid 0x04B8 pid 0x0005