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net: systemport: Add netconsole support 

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

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2015-07-31 11:42:55 -07:00 committed by David S. Miller
parent 4d2e88828f
commit 6cec4f5e00
1 changed files with 18 additions and 0 deletions
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18
drivers/net/ethernet/broadcom/bcmsysport.c
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@ -933,6 +933,21 @@ static irqreturn_t bcm_sysport_wol_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void bcm_sysport_poll_controller(struct net_device *dev)
{
struct bcm_sysport_priv *priv = netdev_priv(dev);
disable_irq(priv->irq0);
bcm_sysport_rx_isr(priv->irq0, priv);
enable_irq(priv->irq0);
disable_irq(priv->irq1);
bcm_sysport_tx_isr(priv->irq1, priv);
enable_irq(priv->irq1);
}
#endif
static struct sk_buff *bcm_sysport_insert_tsb(struct sk_buff *skb,
struct net_device *dev)
{
@ -1723,6 +1738,9 @@ static const struct net_device_ops bcm_sysport_netdev_ops = {
.ndo_set_features = bcm_sysport_set_features,
.ndo_set_rx_mode = bcm_sysport_set_rx_mode,
.ndo_set_mac_address = bcm_sysport_change_mac,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = bcm_sysport_poll_controller,
#endif
};
#define REV_FMT "v%2x.%02x"