From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Tue, 8 Dec 2009 20:40:55 +0000 (+0000)
Subject: netxen: fix tx timeout recovery
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6a808c6c02fb9f0ffa24ac7cca6cfc323cf98b21;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

netxen: fix tx timeout recovery

o In case of tx timeout, firmare may be healthy, but some pci-func may
  see no response from it. Force firmware reset, if some pci-func
  explicitly requests so.

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

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 02f8d4b4db63..ba62411f3532 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -778,6 +778,9 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 		return 1;
 
+	if (adapter->need_fw_reset)
+		return 1;
+
 	/* last attempt had failed */
 	if (NXRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED)
 		return 1;
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 41cb0af4b556..1aca6260909a 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -2284,8 +2284,10 @@ netxen_check_health(struct netxen_adapter *adapter)
 	}
 
 	state = NXRD32(adapter, NX_CRB_DEV_STATE);
-	if (state == NX_DEV_NEED_RESET)
+	if (state == NX_DEV_NEED_RESET) {
+		adapter->need_fw_reset = 1;
 		goto detach;
+	}
 
 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 		return 0;