情况2: Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. g_ether gadget: using random self ethernet address g_ether gadget: using random host ethernet address usb0: MAC 22:c9:fb:01:25:e7 usb0: HOST MAC fe:7e:79:81:a5:08 g_ether gadget: Ethernet Gadget, version: Memorial Day 2008 g_ether gadget: g_ether ready musb_hdrc musb_hdrc: MUSB HDRC host driver musb_hdrc musb_hdrc: new USB bus registered, assigned bus number 2 hub 2-0:1.0: USB hub found hub 2-0:1.0: 1 port detected mice: PS/2 mouse device common for all mice tsc2003 init tsc2003 probe tsc2003 begin GPIO176 irqqq :336 input: tsc2003 as /class/input/input0 usb 1-1: new high speed USB device using ehci-omap and address 2 hub 1-1:1.0: USB hub found hub 1-1:1.0: 4 ports detected i2c_omap i2c_omap.1: timeout waiting for bus ready