jme: netpoll support

This patch adds the netpoll function to support netconsole. Tested and works
fine on my "JMC250 PCI Express Gigabit Ethernet Controller" (PCI ID 0250).

Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 4ea6580d3ae8..c911d883c27e 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -2743,6 +2743,17 @@ jme_set_features(struct net_device *netdev, netdev_features_t features)
         return 0;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void jme_netpoll(struct net_device *dev)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        jme_intr(dev->irq, dev);
+        local_irq_restore(flags);
+}
+#endif
+
 static int
 jme_nway_reset(struct net_device *netdev)
 {
@@ -2944,6 +2955,9 @@ static const struct net_device_ops jme_netdev_ops = {
         .ndo_tx_timeout         = jme_tx_timeout,
         .ndo_fix_features       = jme_fix_features,
         .ndo_set_features       = jme_set_features,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        .ndo_poll_controller    = jme_netpoll,
+#endif
 };
 
 static int __devinit