[TG3]: Fix bug in setting a tg3_flag

Found a bug while reviewing the patches the second time.

The TG3_FLAG_TXD_MBOX_HWBUG flag is set after the register access
methods have been determined. This patch fixes it by moving it up before
the various access methods are assigned.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 8bc28b1..af8263a 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9408,6 +9408,12 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                }
        }
 
+       /* 5700 BX chips need to have their TX producer index mailboxes
+        * written twice to workaround a bug.
+        */
+       if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
+               tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
+
        /* Back to back register writes can cause problems on this chip,
         * the workaround is to read back all reg writes except those to
         * mailbox regs.  See tg3_write_indirect_reg32().
@@ -9682,14 +9688,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        else
                tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
 
-       /* 5700 BX chips need to have their TX producer index mailboxes
-        * written twice to workaround a bug.
-        */
-       if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
-               tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
-       else
-               tp->tg3_flags &= ~TG3_FLAG_TXD_MBOX_HWBUG;
-
        /* It seems all chips can get confused if TX buffers
         * straddle the 4GB address boundary in some cases.
         */