diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index cce32d43175f..52e9ca8de4b2 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -651,8 +651,8 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
 	fep->mii_timeout = 0;
 	init_completion(&fep->mdio_done);
 
-	/* start a read op */
-	writel(FEC_MMFR_ST | FEC_MMFR_OP_READ |
+	/* start a write op */
+	writel(FEC_MMFR_ST | FEC_MMFR_OP_WRITE |
 		FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) |
 		FEC_MMFR_TA | FEC_MMFR_DATA(value),
 		fep->hwp + FEC_MII_DATA);