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Commit f277d27c authored by Rafael J. Wysocki's avatar Rafael J. Wysocki Committed by Wolfram Sang
Browse files

i2c-at91: Use struct dev_pm_ops for power management 



Make the AT91 Two-Wire Interface driver define its PM callbacks
through a struct dev_pm_ops object rather than by using legacy PM
hooks in struct platform_driver.

Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent 02d8bf8d

drivers/i2c/busses/i2c-at91.c

+7 −6
Original line number Diff line number Diff line
@@ -279,30 +279,31 @@ static int __devexit at91_i2c_remove(struct platform_device *pdev) 


/* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */



static int at91_i2c_suspend(struct platform_device *pdev, pm_message_t mesg)

static int at91_i2c_suspend(struct device *dev)

{

	clk_disable(twi_clk);

	return 0;

}



static int at91_i2c_resume(struct platform_device *pdev)

static int at91_i2c_resume(struct device *dev)

{

	return clk_enable(twi_clk);

}



static SIMPLE_DEV_PM_OPS(at91_i2c_pm, at91_i2c_suspend, at91_i2c_resume);

#define AT91_I2C_PM	(&at91_i2c_pm)



#else

#define at91_i2c_suspend	NULL

#define at91_i2c_resume		NULL

#define AT91_I2C_PM	NULL

#endif



static struct platform_driver at91_i2c_driver = {

	.probe		= at91_i2c_probe,

	.remove		= __devexit_p(at91_i2c_remove),

	.suspend	= at91_i2c_suspend,

	.resume		= at91_i2c_resume,

	.driver		= {

		.name	= "at91_i2c",

		.owner	= THIS_MODULE,

		.pm	= AT91_I2C_PM,

	},

};