Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
[pandora-kernel.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_ethtool.c
index e8eff09..0395f9e 100644 (file)
@@ -430,6 +430,12 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
        struct stmmac_priv *priv = netdev_priv(dev);
        u32 support = WAKE_MAGIC | WAKE_UCAST;
 
+       /* By default almost all GMAC devices support the WoL via
+        * magic frame but we can disable it if the HW capability
+        * register shows no support for pmt_magic_frame. */
+       if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
+               wol->wolopts &= ~WAKE_MAGIC;
+
        if (!device_can_wakeup(priv->device))
                return -EINVAL;