[Nexus S Android Development] coolfranz:
no, the phone was in Auto-host mode...

Edit:

In Auto-host mode

<6>[ 1303.828657] enable touch controls
<3>[ 1303.837362] pn544_dev_write : i2c_master_send returned -6
<6>[ 1333.697799] fsa9480 7-0025: dev1: 0x4, dev2: 0x0
<4>[ 1333.706058] Setting OTG host mode
<6>[ 1333.707139] otg_dbg: in s5pc110_otg_drv_probe()::00075
<6>[ 1333.707855] => s3c_otg_drv_probe
<4>[ 1333.730792] otg_host_phy_int : USBPHYCTL=0x1,PHYPWR=0x1c0,PHYCLK=0x7,USBCF
G=0x570f
<6>[ 1333.831404] s3c_otghcd s3c_otghcd: S3C OTGHCD
<6>[ 1333.832603] s3c_otghcd s3c_otghcd: new USB bus registered, assigned bus nu
mber 1
<6>[ 1333.833527] s3c_otghcd s3c_otghcd: irq 88, io mem 0xec000000
<7>[ 1334.092075] usb usb1: default language 0x0409
<7>[ 1334.092815] usb usb1: udev 1, busnum 1, minor = 0
<6>[ 1334.093873] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
<6>[ 1334.094611] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumb
er=1
<6>[ 1334.095706] usb usb1: Product: S3C OTGHCD
<6>[ 1334.096297] usb usb1: Manufacturer: Linux 3.0.17-ck1-cfs-g3580382 EMSP_OTG
HCD
<6>[ 1334.097364] usb usb1: SerialNumber: s3cotg
<7>[ 1334.103065] usb usb1: usb_probe_device
<7>[ 1334.104226] usb usb1: configuration #1 chosen from 1 choice
<7>[ 1334.104964] usb usb1: adding 1-0:1.0 (config #1, interface 0)
<7>[ 1334.107001] hub 1-0:1.0: usb_probe_interface
<7>[ 1334.107604] hub 1-0:1.0: usb_probe_interface - got id
<6>[ 1334.108649] hub 1-0:1.0: USB hub found
<6>[ 1334.109309] hub 1-0:1.0: 1 port detected
<7>[ 1334.109895] hub 1-0:1.0: standalone hub
<7>[ 1334.111070] hub 1-0:1.0: ganged power switching
<7>[ 1334.111663] hub 1-0:1.0: global over-current protection
<7>[ 1334.112250] hub 1-0:1.0: Single TT
<7>[ 1334.113361] hub 1-0:1.0: TT requires at most 32 FS bit times (2664 ns)
<7>[ 1334.114071] hub 1-0:1.0: power on to power good time: 0ms
<7>[ 1334.115206] hub 1-0:1.0: local power source is good
<7>[ 1334.115792] hub 1-0:1.0: no over-current condition exists
<7>[ 1334.116845] hub 1-0:1.0: enabling power on all ports
<6>[ 1334.117449] otg_dbg: in root_hub_feature()::00477
<6>[ 1334.118021] => case SetPortFeature -USB_PORT_FEAT_POWER
<6>[ 1334.119678] otg_dbg: in otg_handle_interrupt()::00087
<6>[ 1334.120255] => Port Interrupt
<6>[ 1334.121791] otg_dbg: in process_port_intr()::00259
<6>[ 1334.122349] => detect connection
<6>[ 1334.125041] otg_dbg: in s5pc110_otg_drv_probe()::00175
<6>[ 1334.126755] => OTG HCD Initialized HCD, bus=C110 OTG Controller, usbbus=1
<4>[ 1334.128274] platform_driver_register...
<6>[ 1334.219579] otg_dbg: in otg_handle_interrupt()::00062
<6>[ 1334.219659] => Disconnect Interrupt
<6>[ 1334.219835] otg_dbg: in otg_handle_interrupt()::00087
<6>[ 1334.219900] => Port Interrupt
<6>[ 1334.220024] otg_dbg: in process_port_intr()::00276
<6>[ 1334.220141] => over current condition is changed
<3>[ 1334.220306] otg_err: in otg_power_work()::00064
<3>[ 1334.220378] => invalid otghost data
<7>[ 1334.324971] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000

In Host Mode:

<6>[ 1476.188603] enable touch controls
<4>[ 1485.875281] input data --> h
<4>[ 1485.875291]
<4>[ 1485.875424] Setting OTG host mode
<6>[ 1485.884622] otg_dbg: in s5pc110_otg_drv_probe()::00075
<6>[ 1485.884702] => s3c_otg_drv_probe
<4>[ 1485.886946] otg_host_phy_int : USBPHYCTL=0x1,PHYPWR=0x1c0,PHYCLK=0x7,USBCF
G=0x570f
<6>[ 1485.990496] s3c_otghcd s3c_otghcd: S3C OTGHCD
<6>[ 1485.990613] s3c_otghcd s3c_otghcd: new USB bus registered, assigned bus nu
mber 1
<6>[ 1485.990792] s3c_otghcd s3c_otghcd: irq 88, io mem 0xec000000
<7>[ 1486.365626] usb usb1: default language 0x0409
<7>[ 1486.365722] usb usb1: udev 1, busnum 1, minor = 0
<6>[ 1486.365791] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
<6>[ 1486.365911] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumb
er=1
<6>[ 1486.366031] usb usb1: Product: S3C OTGHCD
<6>[ 1486.366097] usb usb1: Manufacturer: Linux 3.0.17-ck1-cfs-g3580382 EMSP_OTG
HCD
<6>[ 1486.366216] usb usb1: SerialNumber: s3cotg
<7>[ 1486.367267] usb usb1: usb_probe_device
<7>[ 1486.367379] usb usb1: configuration #1 chosen from 1 choice
<7>[ 1486.367538] usb usb1: adding 1-0:1.0 (config #1, interface 0)
<7>[ 1486.368761] hub 1-0:1.0: usb_probe_interface
<7>[ 1486.368888] hub 1-0:1.0: usb_probe_interface - got id
<6>[ 1486.368956] hub 1-0:1.0: USB hub found
<6>[ 1486.369036] hub 1-0:1.0: 1 port detected
<7>[ 1486.369155] hub 1-0:1.0: standalone hub
<7>[ 1486.369220] hub 1-0:1.0: ganged power switching
<7>[ 1486.369338] hub 1-0:1.0: global over-current protection
<7>[ 1486.369404] hub 1-0:1.0: Single TT
<7>[ 1486.369470] hub 1-0:1.0: TT requires at most 32 FS bit times (2664 ns)
<7>[ 1486.369589] hub 1-0:1.0: power on to power good time: 0ms
<7>[ 1486.369664] hub 1-0:1.0: local power source is good
<7>[ 1486.369783] hub 1-0:1.0: no over-current condition exists
<7>[ 1486.369851] hub 1-0:1.0: enabling power on all ports
<6>[ 1486.370005] otg_dbg: in root_hub_feature()::00477
<6>[ 1486.370070] => case SetPortFeature -USB_PORT_FEAT_POWER
<6>[ 1486.370875] otg_dbg: in s5pc110_otg_drv_probe()::00175
<6>[ 1486.370945] => OTG HCD Initialized HCD, bus=C110 OTG Controller, usbbus=1
<4>[ 1486.371504] platform_driver_register...
<7>[ 1486.469441] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000
<6>[ 1486.470255] otg_dbg: in otg_handle_interrupt()::00087
<6>[ 1486.470396] => Port Interrupt
<6>[ 1486.470546] otg_dbg: in process_port_intr()::00276
<6>[ 1486.470687] => over current condition is changed
<3>[ 1486.470854] otg_err: in otg_power_work()::00064
<3>[ 1486.470932] => invalid otghost data
<6>[ 1504.305867] request_suspend_state: sleep (0->3) at 1504328672619 (2012-01-
24 21:15:52.133677839 UTC)
<6>[ 1504.307102] disable touch controls
<4>[ 1504.333312] dhd_get_dtim_skip bcn_li_dtim=3 DTIM=3 Listen=10
<3>[ 1504.548340] pn544_dev_write : i2c_master_send returned -6
<6>[ 1505.312317] request_suspend_state: wakeup (3->0) at 1505335110585 (2012-01
-24 21:15:53.140115139 UTC)
<6>[ 1505.313720] s3cfb_late_resume is called
<6>[ 1505.315191] FIMD src sclk = 166750000
<6>[ 1505.392510] s3cfb_late_resume is complete
<6>[ 1505.818972] enable touch controls
<6>[ 1517.132758] fsa9480 7-0025: dev1: 0x4, dev2: 0x0
<4>[ 1517.132866] OTG: no changes needed
<6>[ 1577.739613] request_suspend_state: sleep (0->3) at 1577762482138 (2012-01-
24 21:17:05.567487108 UTC)
<6>[ 1577.740939] disable touch controls
<4>[ 1577.764572] dhd_get_dtim_skip bcn_li_dtim=3 DTIM=3 Listen=10
<6>[ 1583.847523] fsa9480 7-0025: dev1: 0x0, dev2: 0x0
<4>[ 1583.851342] OTG: no changes needed
<6>[ 1583.953903] request_suspend_state: wakeup (3->0) at 1583976871602 (2012-01
-24 21:17:11.781885780 UTC)
<6>[ 1583.955780] s3cfb_late_resume is called
<6>[ 1583.956111] FIMD src sclk = 166750000
<6>[ 1584.000579] s3cfb_late_resume is complete
<6>[ 1584.413903] enable touch controls
<6>[ 1590.104018] fsa9480 7-0025: dev1: 0x4, dev2: 0x0
<4>[ 1590.108521] OTG: no changes needed