/ # dmesg
register+0x94/0x2a8)
[ 2941.459635] [<c050c1d8>] (driver_register+0x0/0x2a8) from [<c050d908>] (platform_driver_register+0x4c/0x60)
[ 2941.459652] [<c050d8bc>] (platform_driver_register+0x0/0x60) from [<c05a3478>] (set_otghost_mode+0xac/0x16c)
[ 2941.459668] [<c05a33cc>] (set_otghost_mode+0x0/0x16c) from [<c051bd18>] (fsa9480_detect_dev+0xa0/0x3d0)
[ 2941.459678] r6:c4d53200 r5:00000080 r4:c482fd40
[ 2941.459696] [<c051bc78>] (fsa9480_detect_dev+0x0/0x3d0) from [<c051c730>] (fsa9480_irq_thread+0x40/0x80)
[ 2941.459712] [<c051c6f0>] (fsa9480_irq_thread+0x0/0x80) from [<c0330e70>] (irq_thread+0x108/0x218)
[ 2941.459721] r6:c483a000 r5:c482fd80 r4:c0c67fa0
[ 2941.459739] [<c0330d68>] (irq_thread+0x0/0x218) from [<c0302700>] (kthread+0x84/0x8c)
[ 2941.459753] [<c030267c>] (kthread+0x0/0x8c) from [<c02ebba0>] (do_exit+0x0/0x620)
[ 2941.459762] r6:c02ebba0 r5:c030267c r4:c4c21d50
[ 2941.460729] max8998_charging_control : chg(0) cable(1) dis(0) esafe(2) bat(80,0,0)
[ 2941.460940] [composite_switch_work]config=0x(null)
[ 2941.461781] otg_host_phy_int : USBPHYCTL=0x1,PHYPWR=0x1e0,PHYCLK=0x7,USBCFG=0x570f
[ 2941.561995] s3c_otghcd s3c_otghcd: S3C OTGHCD
[ 2941.562029] s3c_otghcd s3c_otghcd: new USB bus registered, assigned bus number 1
[ 2941.562071] s3c_otghcd s3c_otghcd: irq 88, io mem 0xec000000
[ 2941.562080] otg_dbg: in otg_usbcore_resume_roothub()::00244 => otg_usbcore_resume_roothub
[ 2941.812855] usb usb1: default language 0x0409
[ 2941.812882] usb usb1: udev 1, busnum 1, minor = 0
[ 2941.812891] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 2941.812901] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2941.812911] usb usb1: Product: S3C OTGHCD
[ 2941.812918] usb usb1: Manufacturer: Linux 2.6.35.7-I9000XXJVU-CL851880 EMSP_OTGHCD
[ 2941.812927] usb usb1: SerialNumber: s3cotg
[ 2941.819295] usb usb1: usb_probe_device
[ 2941.819318] usb usb1: configuration #1 chosen from 1 choice
[ 2941.819359] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[ 2941.819487] hub 1-0:1.0: usb_probe_interface
[ 2941.819497] hub 1-0:1.0: usb_probe_interface - got id
[ 2941.819506] hub 1-0:1.0: USB hub found
[ 2941.819525] otg_dbg: in root_hub_feature()::00287 => root_hub_feature
[ 2941.819536] otg_dbg: in root_hub_feature()::00397 => case GetHubDescriptor
[ 2941.819551] hub 1-0:1.0: 1 port detected
[ 2941.819559] hub 1-0:1.0: compound device; port removable status: R
[ 2941.819568] hub 1-0:1.0: ganged power switching
[ 2941.819575] hub 1-0:1.0: global over-current protection
[ 2941.819585] hub 1-0:1.0: TT requires at most 24 FS bit times (1998 ns)
[ 2941.819594] hub 1-0:1.0: Port indicators are supported
[ 2941.819602] hub 1-0:1.0: power on to power good time: 0ms
[ 2941.819618] otg_dbg: in root_hub_feature()::00287 => root_hub_feature
[ 2941.819628] otg_dbg: in root_hub_feature()::00411 => case GetHubStatus
[ 2941.819641] hub 1-0:1.0: local power source is good
[ 2941.819649] hub 1-0:1.0: no over-current condition exists
[ 2941.819658] hub 1-0:1.0: enabling power on all ports
[ 2941.819669] otg_dbg: in root_hub_feature()::00287 => root_hub_feature
[ 2941.819679] otg_dbg: in root_hub_feature()::00519 => case SetPortFeature
[ 2941.819689] otg_dbg: in root_hub_feature()::00529 => case SetPortFeature - disconnected
[ 2941.819701] otg_dbg: in root_hub_feature()::00544 => case SetPortFeature -USB_PORT_FEAT_POWER
[ 2941.819889] otg_dbg: in s5pc110_otg_drv_probe()::00148 => OTG HCD Initialized HCD, bus=C110 OTG Controller, usbbus=1
[ 2941.819973] platform_driver_register...
[ 2941.918886] otg_dbg: in root_hub_feature()::00287 => root_hub_feature
[ 2941.918947] otg_dbg: in root_hub_feature()::00417 => case GetPortStatus
[ 2941.918997] otg_dbg: in root_hub_feature()::00466 => case GetPortStatus - disconnected
[ 2941.919050] otg_dbg: in root_hub_feature()::00508 => port_status=0x400.
[ 2941.919183] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000