issue detecting USB at boot

I'm seeing the following error message when I have a wireless usb  
ethernet adapter plugged into an embedded PPC SoC.  If I plug the  
adapter in after the SoC has booted the device is detected w/o any  
issue.  Which makes me thing that there is some initialization timing  
issue.

Any suggestions on what to poke/look/dbg at would be helpful.

thanks

- k

[    7.193084] ehci_hcd: block sizes: qh 128 qtd 96 itd 192 sitd 96
[    7.193280] initializing FSL-SOC USB Controller
[    7.193312] fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host  
Controller
[    7.193644] drivers/usb/core/inode.c: creating file 'devices'
[    7.193675] drivers/usb/core/inode.c: creating file '001'
[    7.193696] fsl-ehci fsl-ehci.0: new USB bus registered, assigned  
bus number 1
[    7.193731] fsl-ehci fsl-ehci.0: reset hcs_params 0x10011 dbg=0  
ind cc=0 pcc=0 ordered ports=1
[    7.193753] fsl-ehci fsl-ehci.0: reset hcc_params 0006 thresh 0  
uframes 256/512/1024 park
[    7.193898] fsl-ehci fsl-ehci.0: park 0
[    7.193920] fsl-ehci fsl-ehci.0: reset command 080b02 park=3  
ithresh=8 period=1024 Reset HALT
[    7.193943] fsl-ehci fsl-ehci.0: ...powerdown ports...
[    7.214354] fsl-ehci fsl-ehci.0: irq 38, io base 0xe0023000
[    7.214379] fsl-ehci fsl-ehci.0: reset command 080b02 park=3  
ithresh=8 period=1024 Reset HALT
[    7.214408] fsl-ehci fsl-ehci.0: init command 010009 (park)=0  
ithresh=1 period=256 RUN
[    7.214430] fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00,  
driver 10 Dec 2004
[    7.214510] usb usb1: default language 0x0409
[    7.214549] usb usb1: new device strings: Mfr=3, Product=2,  
SerialNumber=1
[    7.214566] usb usb1: Product: Freescale On-Chip EHCI Host Controller
[    7.214583] usb usb1: Manufacturer: Linux 2.6.20.11-g61d271c9- 
dirty ehci_hcd
[    7.214599] usb usb1: SerialNumber: fsl-ehci.0
[    7.214671] usb usb1: uevent
[    7.214881] usb usb1: usb_probe_device
[    7.215254] usb usb1: configuration #1 chosen from 1 choice
[    7.215296] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[    7.215398] usb 1-0:1.0: uevent
[    7.215595] hub 1-0:1.0: usb_probe_interface
[    7.215612] hub 1-0:1.0: usb_probe_interface - got id
[    7.215626] hub 1-0:1.0: USB hub found
[    7.215688] hub 1-0:1.0: 1 port detected
[    7.215699] hub 1-0:1.0: standalone hub
[    7.215711] hub 1-0:1.0: individual port power switching
[    7.215726] hub 1-0:1.0: individual port over-current protection
[    7.215740] hub 1-0:1.0: Single TT
[    7.215753] hub 1-0:1.0: TT requires at most 8 FS bit times (666 ns)
[    7.215770] hub 1-0:1.0: power on to power good time: 20ms
[    7.215793] hub 1-0:1.0: local power source is good
[    7.215808] hub 1-0:1.0: enabling power on all ports
[    7.316345] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000
[    7.316830] drivers/usb/core/inode.c: creating file '001'
[    7.316901] fsl-ehci fsl-ehci.0: GetStatus port 1 status 80001813  
POWER sig=j OC CSC CONNECT
[    7.316935] hub 1-0:1.0: port 1, status 0109, change 0001, 12 Mb/s
[    7.316987] Initializing USB Mass Storage driver...
[    7.420333] hub 1-0:1.0: debounce: port 1: total 100ms stable  
100ms status 0x109
[    7.471657] fsl-ehci fsl-ehci.0: port 1 high speed
[    7.471683] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[    7.522332] usb 1-1: new high speed USB device using fsl-ehci and  
address 2
[    8.522326] usb 1-1: khubd timed out on ep0in len=0/64
[    9.522326] usb 1-1: khubd timed out on ep0in len=0/64
[   10.522328] usb 1-1: khubd timed out on ep0in len=0/64
[   10.573662] fsl-ehci fsl-ehci.0: port 1 high speed
[   10.573689] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   10.624329] usb 1-1: device descriptor read/64, error -110
[   15.730329] usb 1-1: khubd timed out on ep0in len=0/64
[   20.730331] usb 1-1: khubd timed out on ep0in len=0/64
[   25.730329] usb 1-1: khubd timed out on ep0in len=0/64
[   25.781664] fsl-ehci fsl-ehci.0: port 1 high speed
[   25.781691] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   25.832331] usb 1-1: device descriptor read/64, error -110
[   25.989632] fsl-ehci fsl-ehci.0: port 1 high speed
[   25.989657] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   26.040330] usb 1-1: new high speed USB device using fsl-ehci and  
address 3
[   27.040327] usb 1-1: khubd timed out on ep0in len=0/64
[   28.040325] usb 1-1: khubd timed out on ep0in len=0/64
[   29.040328] usb 1-1: khubd timed out on ep0in len=0/64
[   29.091660] fsl-ehci fsl-ehci.0: port 1 high speed
[   29.091686] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   29.142330] usb 1-1: device descriptor read/64, error -110
[   34.248329] usb 1-1: khubd timed out on ep0in len=0/64
[   39.248330] usb 1-1: khubd timed out on ep0in len=0/64
[   44.248329] usb 1-1: khubd timed out on ep0in len=0/64
[   44.299657] fsl-ehci fsl-ehci.0: port 1 high speed
[   44.299683] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   44.350331] usb 1-1: device descriptor read/64, error -110
[   44.507632] fsl-ehci fsl-ehci.0: port 1 high speed
[   44.507657] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   44.558331] usb 1-1: new high speed USB device using fsl-ehci and  
address 4
[   49.558328] usb 1-1: khubd timed out on ep0out len=0/0
[   54.759328] usb 1-1: khubd timed out on ep0out len=0/0
[   54.960323] usb 1-1: device not accepting address 4, error -110
[   55.016634] fsl-ehci fsl-ehci.0: port 1 high speed
[   55.016661] fsl-ehci fsl-ehci.0: GetStatus port 1 status 88001215  
POWER sig=se0 OC PE CONNECT
[   55.067332] usb 1-1: new high speed USB device using fsl-ehci and  
address 5
[   60.067328] usb 1-1: khubd timed out on ep0out len=0/0
[   65.268328] usb 1-1: khubd timed out on ep0out len=0/0
[   65.469323] usb 1-1: device not accepting address 5, error -110
[   65.475311] usbcore: registered new interface driver usb-storage

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