ar71xx: ag71xx: Add netpoll support
authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sat, 27 Mar 2010 13:05:17 +0000 (13:05 +0000)
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sat, 27 Mar 2010 13:05:17 +0000 (13:05 +0000)
This patch adds support for polling interrupts, used by
netconsole and the likes.

Tested on d-link dir-615 C1 using netconsole.

Signed-off-by: Pat Erley <pat-lkml@erley.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20503 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c

index 4519ec8..8244239 100644 (file)
@@ -926,6 +926,20 @@ static void ag71xx_set_multicast_list(struct net_device *dev)
        /* TODO */
 }
 
        /* TODO */
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void ag71xx_netpoll(struct net_device *dev)
+{
+       disable_irq(dev->irq);
+       ag71xx_interrupt(dev->irq, dev);
+       enable_irq(dev->irq);
+}
+#endif
+
 static const struct net_device_ops ag71xx_netdev_ops = {
        .ndo_open               = ag71xx_open,
        .ndo_stop               = ag71xx_stop,
 static const struct net_device_ops ag71xx_netdev_ops = {
        .ndo_open               = ag71xx_open,
        .ndo_stop               = ag71xx_stop,
@@ -936,6 +950,9 @@ static const struct net_device_ops ag71xx_netdev_ops = {
        .ndo_change_mtu         = eth_change_mtu,
        .ndo_set_mac_address    = eth_mac_addr,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_change_mtu         = eth_change_mtu,
        .ndo_set_mac_address    = eth_mac_addr,
        .ndo_validate_addr      = eth_validate_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       .ndo_poll_controller    = ag71xx_netpoll,
+#endif
 };
 
 static int __init ag71xx_probe(struct platform_device *pdev)
 };
 
 static int __init ag71xx_probe(struct platform_device *pdev)
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