Most code changes were made to support RR44xx adapters.
- add more PCI device ID.
- using PCI BAR[2] to access RR44xx IOP.
- using PCI BAR[0] to check and clear RR44xx IRQ.
Signed-off-by: NHighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>