netxen: avoid frequent firmware reset
Restrict firmware reset to following cases -
o chip rev is NX2031 (firmare doesn't support heartbit).
o firmware is dead.
o previous attempt to init firmware had failed.
o we have got newer file firmware.
This speeds up module load tremendously (by upto 8 sec),
also avoids downtime for NCSI (management) pass-thru
traffic.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 2919a2d..27539dd 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -718,6 +718,10 @@
if (request_fw)
netxen_request_firmware(adapter);
+ err = netxen_need_fw_reset(adapter);
+ if (err <= 0)
+ return err;
+
if (first_boot != 0x55555555) {
NXWR32(adapter, CRB_CMDPEG_STATE, 0);
netxen_pinit_from_rom(adapter, 0);