How to disable MSI at network driver level?

■ Requirement : Disable MSI at NIC driver
■ OS Environment : Linux[RHEL, Centos]
■ Application: modprobe
■ Implementation Steps : 

$ insmod bnx2.ko disable_msi=1
$ modprobe bnx2 disable_msi=1

NOTE: bnx2 driver is used in above command.