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>
This commit is contained in:
Mark Brown 2011-03-22 16:34:52 -07:00 committed by Linus Torvalds
parent ea611b2699
commit bc96ba7414

View file

@ -25,6 +25,7 @@
#include <linux/bcd.h> #include <linux/bcd.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/pm.h>
#define DS1374_REG_TOD0 0x00 /* Time of Day */ #define DS1374_REG_TOD0 0x00 /* Time of Day */
#define DS1374_REG_TOD1 0x01 #define DS1374_REG_TOD1 0x01
@ -409,32 +410,38 @@ static int __devexit ds1374_remove(struct i2c_client *client)
} }
#ifdef CONFIG_PM #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)) if (client->irq >= 0 && device_may_wakeup(&client->dev))
enable_irq_wake(client->irq); enable_irq_wake(client->irq);
return 0; 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)) if (client->irq >= 0 && device_may_wakeup(&client->dev))
disable_irq_wake(client->irq); disable_irq_wake(client->irq);
return 0; return 0;
} }
static SIMPLE_DEV_PM_OPS(ds1374_pm, ds1374_suspend, ds1374_resume);
#define DS1374_PM (&ds1374_pm)
#else #else
#define ds1374_suspend NULL #define DS1374_PM NULL
#define ds1374_resume NULL
#endif #endif
static struct i2c_driver ds1374_driver = { static struct i2c_driver ds1374_driver = {
.driver = { .driver = {
.name = "rtc-ds1374", .name = "rtc-ds1374",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = DS1374_PM,
}, },
.probe = ds1374_probe, .probe = ds1374_probe,
.suspend = ds1374_suspend,
.resume = ds1374_resume,
.remove = __devexit_p(ds1374_remove), .remove = __devexit_p(ds1374_remove),
.id_table = ds1374_id, .id_table = ds1374_id,
}; };