netxen: fix register usage

o For NX3031, MSI_MODE, CAPABILITIES_FW and SCRATCHPAD registers
  are obsolete. These register addresses can be used for different
  purpose.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 388feaf60ee7..4a2bbeb1dceb 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1361,10 +1361,12 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
                 return err;
 
         NXWR32(adapter, CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
-        NXWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
         NXWR32(adapter, CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
         NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                NXWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
+
         return err;
 }