net: stmmac: remove useless parenthesis

This patch remove some useless parenthesis.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Reviewed-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -716,15 +716,15 @@ static void stmmac_adjust_link(struct net_device *dev)
 			new_state = 1;
 			switch (phydev->speed) {
 			case 1000:
-				if (likely((priv->plat->has_gmac) ||
-					   (priv->plat->has_gmac4)))
+				if (likely(priv->plat->has_gmac ||
+					   priv->plat->has_gmac4))
 					ctrl &= ~priv->hw->link.port;
 				stmmac_hw_fix_mac_speed(priv);
 				break;
 			case 100:
 			case 10:
-				if (likely((priv->plat->has_gmac) ||
-					   (priv->plat->has_gmac4))) {
+				if (likely(priv->plat->has_gmac ||
+					   priv->plat->has_gmac4)) {
 					ctrl |= priv->hw->link.port;
 					if (phydev->speed == SPEED_100) {
 						ctrl |= priv->hw->link.speed;

drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

@@ -257,7 +257,7 @@ int stmmac_mdio_register(struct net_device *ndev)
 			 * If an IRQ was provided to be assigned after
 			 * the bus probe, do it here.
 			 */
-			if ((!mdio_bus_data->irqs) &&
+			if (!mdio_bus_data->irqs &&
 			    (mdio_bus_data->probed_phy_irq > 0)) {
 				new_bus->irq[addr] =
 					mdio_bus_data->probed_phy_irq;