diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b080f9493d8..dabdf59f801 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1473,7 +1473,8 @@ static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
 {
 	u32 reg;
 
-	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
 		return;
 
 	reg = MII_TG3_MISC_SHDW_WREN |