netxen: fix firmware init handshake

Make sure all functions run firmware init handshake.

If PCI function 0 fails to initialize firmware, mark the
state failed so that other functions on the same board
bail out quickly instead of waiting 30s for firmware
handshake.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/netxen/netxen_nic_init.c

@@ -944,28 +944,31 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 	u32 val = 0;
 	int retries = 60;
 
-	if (!pegtune_val) {
+	if (pegtune_val)
+		return 0;
+
 	do {
 		val = NXRD32(adapter, CRB_CMDPEG_STATE);
 
-			if (val == PHAN_INITIALIZE_COMPLETE ||
-				val == PHAN_INITIALIZE_ACK)
+		switch (val) {
+		case PHAN_INITIALIZE_COMPLETE:
+		case PHAN_INITIALIZE_ACK:
 			return 0;
+		case PHAN_INITIALIZE_FAILED:
+			goto out_err;
+		default:
+			break;
+		}
 
 		msleep(500);
 
 	} while (--retries);
 
-		if (!retries) {
-			pegtune_val = NXRD32(adapter,
-					NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
-			printk(KERN_WARNING "netxen_phantom_init: init failed, "
-					"pegtune_val=%x\n", pegtune_val);
-			return -1;
-		}
-	}
+	NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
 
-	return 0;
+out_err:
+	dev_warn(&adapter->pdev->dev, "firmware init failed\n");
+	return -EIO;
 }
 
 static int

drivers/net/netxen/netxen_nic_main.c

@@ -705,7 +705,7 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
 		first_driver = (adapter->ahw.pci_func == 0);
 
 	if (!first_driver)
-		return 0;
+		goto wait_init;
 
 	first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
 
@@ -752,6 +752,7 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
 		| (_NETXEN_NIC_LINUX_SUBVERSION);
 	NXWR32(adapter, CRB_DRIVER_VERSION, val);
 
+wait_init:
 	/* Handshake with the card before we register the devices. */
 	err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
 	if (err) {