linux-kernel - [PATCH 5/5] net: smsc911x: switch to new dev_pm

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Message-Id: <1249496971-9019-5-git-send-email-daniel@caiaq.de>
Date:	Wed,  5 Aug 2009 20:29:31 +0200
From:	Daniel Mack <daniel@...aq.de>
To:	linux-kernel@...r.kernel.org
Cc:	linux-pm@...ts.linux-foundation.org, Daniel Mack <daniel@...aq.de>,
	Steve Glendinning <steve.glendinning@...c.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH 5/5] 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@...aq.de>
Cc: Steve Glendinning <steve.glendinning@...c.com>
Cc: David S. Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org
---
 drivers/net/smsc911x.c |   31 ++++++++++++++++++++-----------
 1 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 94b6d26..c266785 100644
--- a/drivers/net/smsc911x.c
+++ b/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 @@ out_0:
 /* 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:
@@ -2149,19 +2152,25 @@ 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 = {
 	.probe = smsc911x_drv_probe,
 	.remove = __devexit_p(smsc911x_drv_remove),
 	.driver = {
-		.name = SMSC_CHIPNAME,
+		.name	= SMSC_CHIPNAME,
+		.owner	= THIS_MODULE,
+		.pm	= SMSC911X_PM_OPS,
 	},
-	.suspend = smsc911x_suspend,
-	.resume = smsc911x_resume,
 };
 
 /* Entry point for loading the module */
-- 
1.6.3.3

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