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i2c-puv3: Use struct dev_pm_ops for power management

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Make the PKUnity-v3 SoC I2C controller driver define its suspend
callback through a struct dev_pm_ops object rather than by using
a legacy PM hook in struct platform_driver.  The empty resume
callback is not necessary, so remove it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Rafael J. Wysocki 2012-07-11 21:25:55 +02:00 committed by Wolfram Sang
parent 783414ba9a
commit b9f1b45bac
1 changed files with 6 additions and 9 deletions
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15
drivers/i2c/busses/i2c-puv3.c
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@ -254,7 +254,7 @@ static int __devexit puv3_i2c_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
static int puv3_i2c_suspend(struct platform_device *dev, pm_message_t state)
static int puv3_i2c_suspend(struct device *dev)
{
int poll_count;
/* Disable the IIC */
@ -267,23 +267,20 @@ static int puv3_i2c_suspend(struct platform_device *dev, pm_message_t state)
return 0;
}
static int puv3_i2c_resume(struct platform_device *dev)
{
return 0 ;
}
static SIMPLE_DEV_PM_OPS(puv3_i2c_pm, puv3_i2c_suspend, NULL);
#define PUV3_I2C_PM (&puv3_i2c_pm)
#else
#define puv3_i2c_suspend NULL
#define puv3_i2c_resume NULL
#define PUV3_I2C_PM NULL
#endif
static struct platform_driver puv3_i2c_driver = {
.probe = puv3_i2c_probe,
.remove = __devexit_p(puv3_i2c_remove),
.suspend = puv3_i2c_suspend,
.resume = puv3_i2c_resume,
.driver = {
.name = "PKUnity-v3-I2C",
.owner = THIS_MODULE,
.pm = PUV3_I2C_PM,
}
};