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i2c-tegra: Use struct dev_pm_ops for power management 

Make the Tegra I2C controller 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>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>

[wsa] adapt to of_match_ptr change

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Rafael J. Wysocki 2012-07-11 21:27:30 +02:00 committed by Wolfram Sang
parent 4aacc4b1b1
commit 6a7b3c3c46
1 changed files with 10 additions and 8 deletions
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18
drivers/i2c/busses/i2c-tegra.c
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@ -713,9 +713,9 @@ static int __devexit tegra_i2c_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state)
static int tegra_i2c_suspend(struct device *dev)
{
struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
i2c_lock_adapter(&i2c_dev->adapter);
i2c_dev->is_suspended = true;
@ -724,9 +724,9 @@ static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
static int tegra_i2c_resume(struct platform_device *pdev)
static int tegra_i2c_resume(struct device *dev)
{
struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
int ret;
i2c_lock_adapter(&i2c_dev->adapter);
@ -744,6 +744,11 @@ static int tegra_i2c_resume(struct platform_device *pdev)
return 0;
}
static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume);
#define TEGRA_I2C_PM (&tegra_i2c_pm)
#else
#define TEGRA_I2C_PM NULL
#endif
#if defined(CONFIG_OF)
@ -759,14 +764,11 @@ MODULE_DEVICE_TABLE(of, tegra_i2c_of_match);
static struct platform_driver tegra_i2c_driver = {
.probe = tegra_i2c_probe,
.remove = __devexit_p(tegra_i2c_remove),
#ifdef CONFIG_PM
.suspend = tegra_i2c_suspend,
.resume = tegra_i2c_resume,
#endif
.driver = {
.name = "tegra-i2c",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(tegra_i2c_of_match),
.pm = TEGRA_I2C_PM,
},
};