i use GL850G usbhub to extend usb host to link ftdi232, RTL8150 and webcam, porting the relevant driver and run happend:
| root@edison:~# [ 50.540398] usb 1-1.1: device not accepting address 3, error -71 | |
| [ 51.040197] usb 1-1.1: device not accepting address 4, error -71 | |
| [ 51.540151] usb 1-1.1: device not accepting address 5, error -71 | |
| [ 52.040055] usb 1-1.1: device not accepting address 6, error -71 | |
| [ 52.040584] hub 1-1:1.0: unable to enumerate USB device on port 1 | |
| root@edison:~# | |
| root@edison:~# | |
| root@edison:~# lsusb | |
| Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB | |
| Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub | |
| Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub |
Bus 001 Device 007: ID 0bda:8150 Realtek Semiconductor Corp. RTL8150 Fast Ethernet Adar
Bus 001 Device 008: ID 0403:6001 Future Technology Devices International, Ltd FT232 USC
root@edison:~#