Commit a3de357b authored by Andy Chiu's avatar Andy Chiu Committed by David S. Miller
Browse files

net: axiemac: add PM callbacks to support suspend/resume 



Support basic system-wide suspend and resume functions

Signed-off-by: default avatarAndy Chiu <andy.chiu@sifive.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d08cb255

drivers/net/ethernet/xilinx/xilinx_axienet_main.c

+36 −0
Original line number Diff line number Diff line
@@ -2217,12 +2217,48 @@ static void axienet_shutdown(struct platform_device *pdev) 
	rtnl_unlock();

}



static int axienet_suspend(struct device *dev)

{

	struct net_device *ndev = dev_get_drvdata(dev);



	if (!netif_running(ndev))

		return 0;



	netif_device_detach(ndev);



	rtnl_lock();

	axienet_stop(ndev);

	rtnl_unlock();



	return 0;

}



static int axienet_resume(struct device *dev)

{

	struct net_device *ndev = dev_get_drvdata(dev);



	if (!netif_running(ndev))

		return 0;



	rtnl_lock();

	axienet_open(ndev);

	rtnl_unlock();



	netif_device_attach(ndev);



	return 0;

}



static DEFINE_SIMPLE_DEV_PM_OPS(axienet_pm_ops,

				axienet_suspend, axienet_resume);



static struct platform_driver axienet_driver = {

	.probe = axienet_probe,

	.remove = axienet_remove,

	.shutdown = axienet_shutdown,

	.driver = {

		 .name = "xilinx_axienet",

		 .pm = &axienet_pm_ops,

		 .of_match_table = axienet_of_match,

	},

};