gadgetfs - host side enumeration

Dear All,
We have a at91 board on which we are running a stripped down version of linux 2.6.20. While we have been able to run different kernel space gadget drivers like g_ether and g_zero on the board, we are facing some problem with the test program (usb.c) that comes with the user space driver gadgetfs.

Here are the steps we take (on the board)

[root @ \h]# insmod gadgetfs.ko
gadgetfs: USB Gadget filesystem, version 24 Aug 2004

[root @ \h]# mkdir /dev/gadget
[root @ \h]# mount -t gadgetfs gadgetfs /dev/gadget
[root @ \h]# ls /dev/gadget
at91_udc

[root @ \h]# chmod 744 usb
[root @ \h]# ./usb -r "HDR" -v
gadgetfs: bound to at91_udc driver
/dev/gadget/at91_udc ep0 configured
serial="HDR"

Now we connect the board to a linux host and the above output on the board continues as below
gadgetfs: suspended from state 2

** Thu Jan 1 00:08:12 1998
SUSPEND
gadgetfs: suspenrom state 2
SUSgadgetfs: connected
CONNECT full speed
gadgetfs: disconnected
DISCONNECT
gadgetfs: connected
CONNECT full speed
SETUP 80.06 v0300 i0000 255
SETUP 80.06 v0303 i0gadgetfs: disconnected
409 255
ep0 read after poll: Level 2 halted
done

[root @ \h]#
At the host, dmesg reveals the following
usb 4-2: new full speed USB device using uhci_hcd and address 17
usb 4-2: configuration #3 chosen from 1 choice
usb 4-2: can't set config #3, error -71
usb 4-2: USB disconnect, address 17
 
As you can see, it does bind to the at91_udc but there seems to be some problem with the user space program usb.c. Wondering if anyone came across this issue?

Regards,
Anshuman



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