[ 004/108] tg3: Apply short DMA frag workaround to 5906

From: Ben Hutchings
Date: Sun Jul 22 2012 - 22:10:31 EST


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

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

From: Matt Carlson <mcarlson@xxxxxxxxxxxx>

commit b7abee6ef888117f92db370620ebf116a38e3f4d upstream.

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

Signed-off-by: Matt Carlson <mcarlson@xxxxxxxxxxxx>
Tested-by: Christian Kujau <lists@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/net/ethernet/broadcom/tg3.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index edeeb51..e47ff8b 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14275,7 +14275,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
}

- 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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