1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 0a632f96d16b..2d1a7404057b 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13390,6 +13390,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         if (err)
                 return err;
 
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+            (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0 ||
+                 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
+                return -ENOTSUPP;
+
         /* Initialize data/descriptor byte/word swapping. */
         val = tr32(GRC_MODE);
         val &= GRC_MODE_HOST_STACKUP;