error showing-configuring usb otg

hi all,

i triy to cinfigure usb otg in leo365,configured as per procedure given in below :

https://www.ridgerun.com/developer/wiki/index.php/How_to_configure_DM365_for_USB_host,_device_and_OTG_support

but it showing following error while try to recompile and install,

any suggesstion???

dm365@dm365-desktop:~/work/leo365$ make
  Ridgerun Linux SDK
  Board configuration: Leopard Board DM365
 
  Processing toolchain...
    Build complete
  Processing kernel...
<stdin>:1351:2: warning: #warning syscall migrate_pages not implemented
drivers/usb/gadget/r8a66597-udc.c: In function ‘r8a66597_probe’:
drivers/usb/gadget/r8a66597-udc.c:1585: error: implicit declaration of function ‘IS_ERR’
drivers/usb/gadget/r8a66597-udc.c:1588: error: implicit declaration of function ‘PTR_ERR’
make[4]: *** [drivers/usb/gadget/r8a66597-udc.o] Error 1
make[3]: *** [drivers/usb/gadget] Error 2
make[2]: *** [drivers] Error 2
make[1]: *** [build] Error 2
make: *** [kernel_build] Error 2
dm365@dm365-desktop:~/work/leo365$