[TG3]: Disable CIOBE split, as per Broadcom's driver.

Signed-off-by: David S. Miller <davem@redhat.com>

drivers/net/tg3.c

@@ -7620,12 +7620,14 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	grc_misc_cfg = tr32(GRC_MISC_CFG);
 	grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
 
+	/* Broadcom's driver says that CIOBE multisplit has a bug */
+#if 0
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
 	    grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
 		tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
 		tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
 	}
-
+#endif
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
 	    (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
 	     grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))