linux-kernel - [ 167/187] tg3: Apply short DMA frag workaround to 5906

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Message-Id: <20120712191538.809523362@linuxfoundation.org>
Date:	Thu, 12 Jul 2012 15:35:23 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Matt Carlson <mcarlson@...adcom.com>,
	Christian Kujau <lists@...dbynature.de>,
	"David S. Miller" <davem@...emloft.net>,
	Josh Boyer <jwboyer@...hat.com>
Subject: [ 167/187] tg3: Apply short DMA frag workaround to 5906

From: Greg KH <gregkh@...uxfoundation.org>

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Matt Carlson <mcarlson@...adcom.com>

commit b7abee6ef888117f92db370620ebf116a38e3f4d upstream.

5906 devices also need the short DMA fragment workaround.  This patch
makes the necessary change.

Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Tested-by: Christian Kujau <lists@...dbynature.de>
Signed-off-by: David S. Miller <davem@...emloft.net>
Cc: Josh Boyer <jwboyer@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/broadcom/tg3.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14248,7 +14248,8 @@ static int __devinit tg3_get_invariants(
 		}
 	}
 
-	if (tg3_flag(tp, 5755_PLUS))
+	if (tg3_flag(tp, 5755_PLUS) ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
 		tg3_flag_set(tp, SHORT_DMA_BUG);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)


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