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

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

drivers/net/macb.c

+18 −0
Original line number Diff line number Diff line
@@ -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)