net: pxa168_eth: add netconsole support

This implements ndo_poll_controller callback which is necessary to enable netconsole. Signed-off-by: Alexander Monakov <[email protected]> Cc: Russell King <[email protected]> Cc: Sebastian Hesselbarth <[email protected]> Cc: Florian Fainelli <[email protected]> Signed-off-by: David S. Miller <[email protected]>
cail · Feb 1, 2018 · 743ffff · 743ffff
1 parent e7aadb2
commit 743ffff
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1362,6 +1362,15 @@ static int pxa168_eth_do_ioctl(struct net_device *dev, struct ifreq *ifr,
 	return -EOPNOTSUPP;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void pxa168_eth_netpoll(struct net_device *dev)
+{
+	disable_irq(dev->irq);
+	pxa168_eth_int_handler(dev->irq, dev);
+	enable_irq(dev->irq);
+}
+#endif
+
 static void pxa168_get_drvinfo(struct net_device *dev,
 			       struct ethtool_drvinfo *info)
 {
@@ -1390,6 +1399,9 @@ static const struct net_device_ops pxa168_eth_netdev_ops = {
 	.ndo_do_ioctl		= pxa168_eth_do_ioctl,
 	.ndo_change_mtu		= pxa168_eth_change_mtu,
 	.ndo_tx_timeout		= pxa168_eth_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller    = pxa168_eth_netpoll,
+#endif
 };
 
 static int pxa168_eth_probe(struct platform_device *pdev)