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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-03-22 16:34:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:16 -0700
commitbc96ba7414ca4456661d0873856e0f363d32ba67 (patch)
treeccfc298a25cf4c649f43acde645c98751581c15c /drivers/rtc
parentea611b2699b51a762ef03f805f9616e65d98f68e (diff)
rtc: convert DS1374 to dev_pm_ops
There is a general move to replace bus-specific PM ops with dev_pm_ops in order to facilitate core improvements. Do this conversion for DS1374. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ds1374.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index d834a63ec4b..e6e71deb188 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -25,6 +25,7 @@
#include <linux/bcd.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
+#include <linux/pm.h>
#define DS1374_REG_TOD0 0x00 /* Time of Day */
#define DS1374_REG_TOD1 0x01
@@ -409,32 +410,38 @@ static int __devexit ds1374_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int ds1374_suspend(struct i2c_client *client, pm_message_t state)
+static int ds1374_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
if (client->irq >= 0 && device_may_wakeup(&client->dev))
enable_irq_wake(client->irq);
return 0;
}
-static int ds1374_resume(struct i2c_client *client)
+static int ds1374_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
if (client->irq >= 0 && device_may_wakeup(&client->dev))
disable_irq_wake(client->irq);
return 0;
}
+
+static SIMPLE_DEV_PM_OPS(ds1374_pm, ds1374_suspend, ds1374_resume);
+
+#define DS1374_PM (&ds1374_pm)
#else
-#define ds1374_suspend NULL
-#define ds1374_resume NULL
+#define DS1374_PM NULL
#endif
static struct i2c_driver ds1374_driver = {
.driver = {
.name = "rtc-ds1374",
.owner = THIS_MODULE,
+ .pm = DS1374_PM,
},
.probe = ds1374_probe,
- .suspend = ds1374_suspend,
- .resume = ds1374_resume,
.remove = __devexit_p(ds1374_remove),
.id_table = ds1374_id,
};