[PATCH 5/5] net: smsc911x: switch to new dev_pm_ops

Daniel Mack
2009-08-05T18:30:00Z

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>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.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