net: stmmac: use SPEED_UNKNOWN/DUPLEX_UNKNOWN
It is better to use DUPLEX_UNKNOWN instead of just "-1".
Using 0 for an invalid speed is bad since 0 is a valid value for speed.
So this patch replace 0 by SPEED_UNKNOWN.
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>
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 511c47c..a87071d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -754,8 +754,8 @@ static void stmmac_adjust_link(struct net_device *dev)
} else if (priv->oldlink) {
new_state = 1;
priv->oldlink = 0;
- priv->speed = 0;
- priv->oldduplex = -1;
+ priv->speed = SPEED_UNKNOWN;
+ priv->oldduplex = DUPLEX_UNKNOWN;
}
if (new_state && netif_msg_link(priv))
@@ -817,8 +817,8 @@ static int stmmac_init_phy(struct net_device *dev)
int interface = priv->plat->interface;
int max_speed = priv->plat->max_speed;
priv->oldlink = 0;
- priv->speed = 0;
- priv->oldduplex = -1;
+ priv->speed = SPEED_UNKNOWN;
+ priv->oldduplex = DUPLEX_UNKNOWN;
if (priv->plat->phy_node) {
phydev = of_phy_connect(dev, priv->plat->phy_node,
@@ -3434,8 +3434,8 @@ int stmmac_suspend(struct device *dev)
spin_unlock_irqrestore(&priv->lock, flags);
priv->oldlink = 0;
- priv->speed = 0;
- priv->oldduplex = -1;
+ priv->speed = SPEED_UNKNOWN;
+ priv->oldduplex = DUPLEX_UNKNOWN;
return 0;
}
EXPORT_SYMBOL_GPL(stmmac_suspend);