[PATCH 1/1] net/velocity: add poll controller function for velocity nic

From: Amit Uttamchandani
Date: Thu Jul 18 2013 - 20:53:26 EST


Add poll controller function for velocity nic.

Signed-off-by: Amit Uttamchandani <auttamchandani@xxxxxxxxxxxx>
---
drivers/net/ethernet/via/via-velocity.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 1d6dc41..ef77631 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2376,6 +2376,23 @@ out_0:
return ret;
}

+#ifdef CONFIG_NET_POLL_CONTROLLER
+/**
+ * velocity_poll_controller - Velocity Poll controller function
+ * @dev: network device
+ *
+ *
+ * Used by NETCONSOLE and other diagnostic tools to allow network I/P
+ * with interrupts disabled.
+ */
+static void velocity_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ velocity_intr(dev->irq, dev);
+ enable_irq(dev->irq);
+}
+#endif
+
/**
* velocity_mii_ioctl - MII ioctl handler
* @dev: network device
@@ -2641,6 +2658,9 @@ static const struct net_device_ops velocity_netdev_ops = {
.ndo_do_ioctl = velocity_ioctl,
.ndo_vlan_rx_add_vid = velocity_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = velocity_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = velocity_poll_controller,
+#endif
};

/**
--
1.8.0.rc0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/