Problem in compiling Kernel for USB Host support.

Hi all ..

I am facing problem in compiling kernel for USB Support. while selecting the option i have selected the USB host configuration but while compiling i am getting the following error :-

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drivers/built-in.o(.text+0x7a1f8): In function `usb_register':
drivers/usb/core/usb.c:174: undefined reference to usbfs_update_special' drivers/built-in.o(.text+0x7a264): In function usb_deregister':
drivers/usb/core/usb.c:202: undefined reference to usbfs_update_special' drivers/built-in.o(.text+0x7d058): In function usb_new_device':
drivers/usb/core/hub.c:1269: undefined reference to usbfs_add_device' drivers/built-in.o(.text+0x7f2e8): In function usb_register_bus':
drivers/usb/core/hcd.c:758: undefined reference to usbfs_add_bus' drivers/built-in.o(.text+0x7f3f0): In function usb_deregister_bus':
drivers/usb/core/hcd.c:786: undefined reference to usbfs_remove_bus' drivers/built-in.o(.init.text+0x3974): In function usb_init':
drivers/usb/core/usb.c:1487: undefined reference to usbfs_init' drivers/built-in.o(.init.text+0x39a4):drivers/usb/core/usb.c:1500: undefined reference to usbfs_cleanup' drivers/built-in.o(.exit.text+0x6ac): In function `usb_exit':
drivers/usb/core/usb.c:1522: undefined reference to `usbfs_cleanup'
make: *** [vmlinux] Error 1

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This is for PPC8272-ads board using Montavista Linux. Can any body suggest me that what else configuration is required (which i had missed ) is giving this error ????

Looking forward for your help

----Misbah <><

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