netdev - [PATCH -next 1/2] gianfar: Implement proper, per netdevice wakeup management

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Date:	Wed, 28 Jan 2009 23:38:54 +0300
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	David Miller <davem@...emloft.net>,
	Andy Fleming <afleming@...escale.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	netdev@...r.kernel.org, linuxppc-dev@...abs.org
Subject: [PATCH -next 1/2] gianfar: Implement proper, per netdevice wakeup
	management

This patch implements wakeup management for the gianfar driver.

The driver should set wakeup enable if WOL is enabled, so that
phylib won't power off an attached PHY.

Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>
---
 drivers/net/gianfar.c         |    5 +++++
 drivers/net/gianfar_ethtool.c |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 3f7eab4..3a8359e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -463,6 +463,9 @@ static int gfar_probe(struct of_device *ofdev,
 		goto register_fail;
 	}
 
+	device_init_wakeup(&dev->dev,
+		priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+
 	/* fill out IRQ number and name fields */
 	len_devname = strlen(dev->name);
 	strncpy(&priv->int_name_tx[0], dev->name, len_devname);
@@ -1200,6 +1203,8 @@ static int gfar_enet_open(struct net_device *dev)
 
 	netif_start_queue(dev);
 
+	device_set_wakeup_enable(&dev->dev, priv->wol_en);
+
 	return err;
 }
 
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 59b3b5d..dbf06e9 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -600,6 +600,7 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 
 	spin_lock_irqsave(&priv->bflock, flags);
 	priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0;
+	device_set_wakeup_enable(&dev->dev, priv->wol_en);
 	spin_unlock_irqrestore(&priv->bflock, flags);
 
 	return 0;
-- 
1.5.6.5

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