netdev - [PATCH] jme: netpoll support

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Date:	Tue, 17 Jul 2012 18:29:34 +0200
From:	Lekensteyn <lekensteyn@...il.com>
To:	Guo-Fu Tseng <cooldavid@...ldavid.org>
Cc:	netdev@...r.kernel.org
Subject: [PATCH] jme: netpoll support

From: Peter Wu <lekensteyn@...il.com>

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@...il.com>
---
 drivers/net/ethernet/jme.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 4ea6580..c911d88 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
-- 
1.7.9.5


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