[PATCH] AT91RM9200 Ethernet: Add netpoll / netconsole support

Adds netpoll / netconsole support.

Original patch from Bill Gatliff.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 918368cdb766..f33d957adc7a 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -923,6 +923,17 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void at91ether_poll_controller(struct net_device *dev)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        at91ether_interrupt(dev->irq, dev);
+        local_irq_restore(flags);
+}
+#endif
+
 /*
  * Initialize the ethernet interface
  */
@@ -972,6 +983,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
         dev->set_mac_address = set_mac_address;
         dev->ethtool_ops = &at91ether_ethtool_ops;
         dev->do_ioctl = at91ether_ioctl;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        dev->poll_controller = at91ether_poll_controller;
+#endif
 
         SET_NETDEV_DEV(dev, &pdev->dev);