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: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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@ -279,30 +279,31 @@ static int __devexit at91_i2c_remove(struct platform_device *pdev)
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/* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */
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static int at91_i2c_suspend(struct platform_device *pdev, pm_message_t mesg)
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static int at91_i2c_suspend(struct device *dev)
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{
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clk_disable(twi_clk);
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return 0;
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}
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static int at91_i2c_resume(struct platform_device *pdev)
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static int at91_i2c_resume(struct device *dev)
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{
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return clk_enable(twi_clk);
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}
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static SIMPLE_DEV_PM_OPS(at91_i2c_pm, at91_i2c_suspend, at91_i2c_resume);
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#define AT91_I2C_PM (&at91_i2c_pm)
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#else
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#define at91_i2c_suspend NULL
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#define at91_i2c_resume NULL
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#define AT91_I2C_PM NULL
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#endif
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static struct platform_driver at91_i2c_driver = {
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.probe = at91_i2c_probe,
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.remove = __devexit_p(at91_i2c_remove),
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.suspend = at91_i2c_suspend,
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.resume = at91_i2c_resume,
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.driver = {
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.name = "at91_i2c",
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.owner = THIS_MODULE,
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.pm = AT91_I2C_PM,
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},
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};
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