+ /*
+ * When a MII PHY is used, we must set the PS bit for the DMA
+ * reset to succeed.
+ */
+ if (priv->phydev->interface == PHY_INTERFACE_MODE_MII)
+ writel(readl(&mac_p->conf) | MII_PORTSELECT, &mac_p->conf);
+ else
+ writel(readl(&mac_p->conf) & ~MII_PORTSELECT, &mac_p->conf);
+