Implement a poll controller for netconsole which invokes the RX
interrupt handler to poll for incoming packets, and cleans up all TX
queues.

Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c 
b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index c6f2d396edf0..544160f39c1b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2388,6 +2388,16 @@ static irqreturn_t bcmgenet_wol_isr(int irq, void 
*dev_id)
        return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void bcmgenet_poll_controller(struct net_device *dev)
+{
+       struct bcmgenet_priv *priv = netdev_priv(dev);
+
+       bcmgenet_isr0(priv->irq0, priv);
+       bcmgenet_tx_reclaim_all(dev);
+}
+#endif
+
 static void bcmgenet_umac_reset(struct bcmgenet_priv *priv)
 {
        u32 reg;
@@ -2939,6 +2949,9 @@ static const struct net_device_ops bcmgenet_netdev_ops = {
        .ndo_set_mac_address    = bcmgenet_set_mac_addr,
        .ndo_do_ioctl           = bcmgenet_ioctl,
        .ndo_set_features       = bcmgenet_set_features,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       .ndo_poll_controller    = bcmgenet_poll_controller,
+#endif
 };
 
 /* Array of GENET hardware parameters/characteristics */
-- 
2.1.0

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