From: Chad Dupuis <cdupuis@redhat.com>
Date: Tue, 3 Aug 2010 13:50:10 -0400
Subject: [net] netxen: fix endianness intr coalesce
Message-id: <20100803134726.2239.70721.sendpatchset@localhost.localdomain>
Patchwork-id: 27322
O-Subject: [RHEL 5.6 PATCH 20/44] netxen: fix endianness intr coalesce
Bugzilla: 562937
RH-Acked-by: David S. Miller <davem@redhat.com>
RH-Acked-by: Neil Horman <nhorman@redhat.com>

Bugzilla
========

562937

Upstream Status
===============

net-2.6 commit id c070395009e1e153395837cd256dffc931dd6f98

Description
===========

>From cda06696aea5b9df505c9f9579dd2c15b00c9fda Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Thu, 14 Jan 2010 01:53:22 +0000
Subject: [PATCH] netxen: fix endianness intr coalesce

Before sending Interrupt coalesce parameters to device,
convert them in little endian.

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_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index c4ece3b..7407136 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -762,17 +762,20 @@ int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
 int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
 {
 	nx_nic_req_t req;
-	u64 word;
-	int rv;
+	u64 word[6];
+	int rv, i;
 
 	memset(&req, 0, sizeof(nx_nic_req_t));
+	memset(word, 0, sizeof(word));
 
 	req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 
-	word = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
-	req.req_hdr = cpu_to_le64(word);
+	word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
+	req.req_hdr = cpu_to_le64(word[0]);
 
-	memcpy(&req.words[0], &adapter->coal, sizeof(adapter->coal));
+	memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
+	for (i = 0; i < 6; i++)
+		req.words[i] = cpu_to_le64(word[i]);
 
 	rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 	if (rv != 0) {