tg3: Apply short DMA frag workaround to 5906

commit b7abee6ef888117f92db370620ebf116a38e3f4d upstream.

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

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mike Pagano <mpagano@gentoo.org>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 85931cab22455da1110560e3d78d75d55f20f42c..10a99e4434db0d0f3029a61c47a67449eb7c6712 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13689,8 +13689,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         */
        tg3_flag_set(tp, 4G_DMA_BNDRY_BUG);
 
-       if (tg3_flag(tp, 5755_PLUS))
-               tg3_flag_set(tp, SHORT_DMA_BUG);
+       if (tg3_flag(tp, 5755_PLUS) ||
+               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+                       tg3_flag_set(tp, SHORT_DMA_BUG);
        else
                tg3_flag_set(tp, 40BIT_DMA_LIMIT_BUG);