netdev - [net-next-2.6 02/24] igb: Fix reg pattern test in ethtool for i350 devices

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Date:	Thu,  3 Mar 2011 05:03:27 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Carolyn Wyborny <carolyn.wyborny@...el.com>,
	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 02/24] igb: Fix reg pattern test in ethtool for i350 devices

From: Carolyn Wyborny <carolyn.wyborny@...el.com>

This fixes the reg_pattern_test so that the test does not fail
on i350 parts.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@...el.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/igb/igb_ethtool.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index a70e16b..16bbd49 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1070,7 +1070,7 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
 		{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 	for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
 		wr32(reg, (_test[pat] & write));
-		val = rd32(reg);
+		val = rd32(reg) & mask;
 		if (val != (_test[pat] & write & mask)) {
 			dev_err(&adapter->pdev->dev, "pattern test reg %04X "
 				"failed: got 0x%08X expected 0x%08X\n",
-- 
1.7.4

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