net: stmmac: set phy to use polling by default

mii_irq[] array is never initialized anywhere in the driver, thus mii_irq[]
will always equate to zero. So, for the case where the PHY does not have an
irq, we should use PHY_POLL for that situation.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Tested-by: Vince Bridgers <vbridger@altera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index a468eb1..a5b1e1b 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -205,10 +205,13 @@ int stmmac_mdio_register(struct net_device *ndev)
        if (new_bus == NULL)
                return -ENOMEM;
 
-       if (mdio_bus_data->irqs)
+       if (mdio_bus_data->irqs) {
                irqlist = mdio_bus_data->irqs;
-       else
+       } else {
+               for (addr = 0; addr < PHY_MAX_ADDR; addr++)
+                       priv->mii_irq[addr] = PHY_POLL;
                irqlist = priv->mii_irq;
+       }
 
 #ifdef CONFIG_OF
        if (priv->device->of_node)