编译2.6的时候出现错误,请看看

xpfocus

drivers/built-in.o(.text+0x88f6a): In function `ttusb_cmd':
: undefined reference to `usb_bulk_msg'
drivers/built-in.o(.text+0x8903b): In function `ttusb_cmd':
: undefined reference to `usb_bulk_msg'
drivers/built-in.o(.text+0x8a08e): In function `ttusb_free_iso_urbs':
: undefined reference to `usb_free_urb'
drivers/built-in.o(.text+0x8a0f3): In function `ttusb_alloc_iso_urbs':
: undefined reference to `usb_alloc_urb'
drivers/built-in.o(.text+0x8a13d): In function `ttusb_stop_iso_xfer':
: undefined reference to `usb_unlink_urb'
drivers/built-in.o(.text+0x8a211): In function `ttusb_start_iso_xfer':
: undefined reference to `usb_submit_urb'
drivers/built-in.o(.text+0x8a455): In function `ttusb_setup_interfaces':
: undefined reference to `usb_reset_configuration'
drivers/built-in.o(.text+0x8a473): In function `ttusb_setup_interfaces':
: undefined reference to `usb_set_interface'
drivers/built-in.o(.text+0x8a030): In function `ttusb_iso_irq':
: undefined reference to `usb_submit_urb'
drivers/built-in.o(.init.text+0x690f): In function `ttusb_init':
: undefined reference to `usb_register'
drivers/built-in.o(.exit.text+0x73b): In function `ttusb_exit':
: undefined reference to `usb_deregister'
make: *** [.tmp_vmlinux1] Error 1