net: smsc911x: switch to new dev_pm_ops

Hibernation is unsupported for now, which meets the actual
implementation in the driver. For free/thaw, the chip's D2 state should
be entered.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/smsc911x.c

@@ -50,6 +50,7 @@
 #include <linux/swab.h>
 #include <linux/phy.h>
 #include <linux/smsc911x.h>
+#include <linux/device.h>
 #include "smsc911x.h"
 
 #define SMSC_CHIPNAME		"smsc911x"
@@ -2114,10 +2115,12 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
 /* This implementation assumes the devices remains powered on its VDDVARIO
  * pins during suspend. */
 
-static int smsc911x_suspend(struct platform_device *pdev, pm_message_t state)
+/* TODO: implement freeze/thaw callbacks for hibernation.*/
+
+static int smsc911x_suspend(struct device *dev)
 {
-	struct net_device *dev = platform_get_drvdata(pdev);
-	struct smsc911x_data *pdata = netdev_priv(dev);
+	struct net_device *ndev = dev_get_drvdata(dev);
+	struct smsc911x_data *pdata = netdev_priv(ndev);
 
 	/* enable wake on LAN, energy detection and the external PME
 	 * signal. */
@@ -2128,10 +2131,10 @@ static int smsc911x_suspend(struct platform_device *pdev, pm_message_t state)
 	return 0;
 }
 
-static int smsc911x_resume(struct platform_device *pdev)
+static int smsc911x_resume(struct device *dev)
 {
-	struct net_device *dev = platform_get_drvdata(pdev);
-	struct smsc911x_data *pdata = netdev_priv(dev);
+	struct net_device *ndev = dev_get_drvdata(dev);
+	struct smsc911x_data *pdata = netdev_priv(ndev);
 	unsigned int to = 100;
 
 	/* Note 3.11 from the datasheet:
@@ -2149,9 +2152,15 @@ static int smsc911x_resume(struct platform_device *pdev)
 	return (to == 0) ? -EIO : 0;
 }
 
+static struct dev_pm_ops smsc911x_pm_ops = {
+	.suspend	= smsc911x_suspend,
+	.resume		= smsc911x_resume,
+};
+
+#define SMSC911X_PM_OPS (&smsc911x_pm_ops)
+
 #else
-#define smsc911x_suspend	NULL
-#define smsc911x_resume		NULL
+#define SMSC911X_PM_OPS NULL
 #endif
 
 static struct platform_driver smsc911x_driver = {
@@ -2159,9 +2168,9 @@ static struct platform_driver smsc911x_driver = {
 	.remove = __devexit_p(smsc911x_drv_remove),
 	.driver = {
 		.name	= SMSC_CHIPNAME,
+		.owner	= THIS_MODULE,
+		.pm	= SMSC911X_PM_OPS,
 	},
-	.suspend = smsc911x_suspend,
-	.resume = smsc911x_resume,
 };
 
 /* Entry point for loading the module */