From 56a007871a6689db80e19f63fe6dc3692daa2a6f Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 7 Apr 2009 22:50:41 +0000
Subject: [PATCH] netxen: defer firmware handshake

Removed duplicate firmware handshake, defer it until first
port (interface) is brought up.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |  1 -
 drivers/net/netxen/netxen_nic_init.c | 59 +++++++++++-----------------
 drivers/net/netxen/netxen_nic_main.c |  4 --
 3 files changed, 22 insertions(+), 42 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 2aa658db103..7e208b31a27 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1359,7 +1359,6 @@ unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
 void netxen_free_adapter_offload(struct netxen_adapter *adapter);
 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
-int netxen_receive_peg_ready(struct netxen_adapter *adapter);
 int netxen_load_firmware(struct netxen_adapter *adapter);
 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
 
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 8e45dcc27c7..9991951e6e0 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -108,42 +108,6 @@ static void crb_addr_transform_setup(void)
 	crb_addr_transform(I2C0);
 }
 
-int netxen_init_firmware(struct netxen_adapter *adapter)
-{
-	u32 state = 0, loops = 0, err = 0;
-
-	/* Window 1 call */
-	state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
-
-	if (state == PHAN_INITIALIZE_ACK)
-		return 0;
-
-	while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
-		msleep(1);
-		/* Window 1 call */
-		state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
-
-		loops++;
-	}
-	if (loops >= 2000) {
-		printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
-		       state);
-		err = -EIO;
-		return err;
-	}
-	/* Window 1 call */
-	adapter->pci_write_normalize(adapter,
-			CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
-	adapter->pci_write_normalize(adapter,
-			CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
-	adapter->pci_write_normalize(adapter,
-			CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
-	adapter->pci_write_normalize(adapter,
-			CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
-
-	return err;
-}
-
 void netxen_release_rx_buffers(struct netxen_adapter *adapter)
 {
 	struct netxen_recv_context *recv_ctx;
@@ -789,7 +753,8 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 	return 0;
 }
 
-int netxen_receive_peg_ready(struct netxen_adapter *adapter)
+static int
+netxen_receive_peg_ready(struct netxen_adapter *adapter)
 {
 	u32 val = 0;
 	int retries = 2000;
@@ -813,6 +778,26 @@ int netxen_receive_peg_ready(struct netxen_adapter *adapter)
 	return 0;
 }
 
+int netxen_init_firmware(struct netxen_adapter *adapter)
+{
+	int err;
+
+	err = netxen_receive_peg_ready(adapter);
+	if (err)
+		return err;
+
+	adapter->pci_write_normalize(adapter,
+			CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
+	adapter->pci_write_normalize(adapter,
+			CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
+	adapter->pci_write_normalize(adapter,
+			CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
+	adapter->pci_write_normalize(adapter,
+			CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
+
+	return err;
+}
+
 static int
 netxen_alloc_rx_skb(struct netxen_adapter *adapter,
 		struct nx_host_rds_ring *rds_ring,
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 22b2d491c78..665fce561d4 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1027,10 +1027,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	netxen_napi_add(adapter, netdev);
 
-	err = netxen_receive_peg_ready(adapter);
-	if (err)
-		goto err_out_disable_msi;
-
 	init_timer(&adapter->watchdog_timer);
 	adapter->watchdog_timer.function = &netxen_watchdog;
 	adapter->watchdog_timer.data = (unsigned long)adapter;
-- 
2.41.0