arc_emac: add netpoll support

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index be090e6..18e2fac 100644 (file)
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -363,6 +363,15 @@ static irqreturn_t arc_emac_intr(int irq, void *dev_instance)
        return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void arc_emac_poll_controller(struct net_device *dev)
+{
+       disable_irq(dev->irq);
+       arc_emac_intr(dev->irq, dev);
+       enable_irq(dev->irq);
+}
+#endif
+
 /**
  * arc_emac_open - Open the network device.
  * @ndev:      Pointer to the network device.
@@ -657,6 +666,9 @@ static const struct net_device_ops arc_emac_netdev_ops = {
        .ndo_set_mac_address    = arc_emac_set_address,
        .ndo_get_stats          = arc_emac_stats,
        .ndo_set_rx_mode        = arc_emac_set_rx_mode,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       .ndo_poll_controller    = arc_emac_poll_controller,
+#endif
 };
 
 static int arc_emac_probe(struct platform_device *pdev)