Commit 6e8cf5c0 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by David S. Miller

macb: Add support of the netpoll API

With this patch in place, I'm successfully able to use the netconsole
mechanism with the Calao USB-A9263 board, which uses the AT91SAM9263
CPU, which in terms of Ethernet controller is supported by the macb
driver.
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
[haavard.skinnemoen@atmel.com: disable_irq() -> local_irq_save()]
[haavard.skinnemoen@atmel.com: convert to net_device_ops]
Signed-off-by: default avatarHaavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 255cac91
......@@ -599,6 +599,21 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling receive - used by netconsole and other diagnostic tools
* to allow network i/o with interrupts disabled.
*/
static void macb_poll_controller(struct net_device *dev)
{
unsigned long flags;
local_irq_save(flags);
macb_interrupt(dev->irq, dev);
local_irq_restore(flags);
}
#endif
static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
......@@ -1094,6 +1109,9 @@ static const struct net_device_ops macb_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = macb_poll_controller,
#endif
};
static int __init macb_probe(struct platform_device *pdev)
......
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