hpsa driver compilation

alienvault:~/hpsa/hpsa-3.0.0/drivers/scsi# make
make -C /lib/modules/2.6.31.6/build M=/root/hpsa/hpsa-3.0.0/drivers/scsi modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.31.6'
  CC [M]  /root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.o
/root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.c:174: warning: type defaults to 'int' in declaration of 'DEF_                                              SCSI_QCMD'
/root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.c:174: warning: parameter names (without types) in function de                                              claration
/root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.c:512: error: 'hpsa_scsi_queue_command' undeclared here (not i                                              n a function)
/root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.c:515: warning: initialization from incompatible pointer type
make[2]: *** [/root/hpsa/hpsa-3.0.0/drivers/scsi/hpsa.o] Error 1
make[1]: *** [_module_/root/hpsa/hpsa-3.0.0/drivers/scsi] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.31.6'
make: *** [default] Error 2