netdev - [PATCH 06/15] tg3: Do not enable APE on bcm5700

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Date:	Mon, 3 Nov 2008 02:12:05 -0800
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, "Michael Chan" <mchan@...adcom.com>,
	andy@...yhouse.net
Subject: [PATCH 06/15] tg3: Do not enable APE on bcm5700

With older versions of the NVRAM format, the driver may mistakenly
determine that APE is enabled.  Make sure this doesn't happen by
restricting the ENABLE_APE check to devices known to have more
recent NVRAM image formats.

Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Signed-off-by: Michael Chan <mchan@...adcom.com>
---
 drivers/net/tg3.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 45fcbc3..978d1f0 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11441,8 +11441,11 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
 			if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
 				tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
 		}
-		if (nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE)
+
+		if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
+			(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
 			tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
+
 		if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
 		    !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
 			tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
-- 
1.5.6.4



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