[PATCH 2/2] net/fec: add poll controller function for fec nic

From: jgq516
Date: Fri Sep 23 2011 - 22:23:36 EST


From: Xiao Jiang <jgq516@xxxxxxxxx>

Add poll controller function for fec nic.

Signed-off-by: Xiao Jiang <jgq516@xxxxxxxxx>
---
drivers/net/fec.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 5705def..00eb5c7 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -235,6 +235,7 @@ struct fec_enet_private {
int link;
int full_duplex;
struct completion mdio_done;
+ int irq[FEC_IRQ_NUM];
};

/* FEC MII MMFR bits definition */
@@ -1323,6 +1324,29 @@ fec_set_mac_address(struct net_device *ndev, void *p)
return 0;
}

+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * fec_poll_controller: FEC Poll controller function
+ * @dev: The FEC network adapter
+ *
+ * Polled functionality used by netconsole and others in non interrupt mode
+ *
+ */
+void fec_poll_controller(struct net_device *dev)
+{
+ int i;
+ struct fec_enet_private *fep = netdev_priv(dev);
+
+ for (i = 0; i < FEC_IRQ_NUM; i++) {
+ if (fep->irq[i] > 0) {
+ disable_irq(fep->irq[i]);
+ fec_enet_interrupt(fep->irq[i], dev);
+ enable_irq(fep->irq[i]);
+ }
+ }
+}
+#endif
+
static const struct net_device_ops fec_netdev_ops = {
.ndo_open = fec_enet_open,
.ndo_stop = fec_enet_close,
@@ -1333,6 +1357,9 @@ static const struct net_device_ops fec_netdev_ops = {
.ndo_tx_timeout = fec_timeout,
.ndo_set_mac_address = fec_set_mac_address,
.ndo_do_ioctl = fec_enet_ioctl,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = fec_poll_controller,
+#endif
};

/*
--
1.7.0.4

--
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/