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Subject[PATCH 4/4] hwmon / exynos4_tmu: Use struct dev_pm_ops for power management
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

Make the Exynos4 TMU 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>
---
drivers/hwmon/exynos4_tmu.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)

Index: linux/drivers/hwmon/exynos4_tmu.c
===================================================================
--- linux.orig/drivers/hwmon/exynos4_tmu.c
+++ linux/drivers/hwmon/exynos4_tmu.c
@@ -476,34 +476,37 @@ static int __devexit exynos4_tmu_remove(
}

#ifdef CONFIG_PM
-static int exynos4_tmu_suspend(struct platform_device *pdev, pm_message_t state)
+static int exynos4_tmu_suspend(struct device *dev)
{
- exynos4_tmu_control(pdev, false);
+ exynos4_tmu_control(to_platform_device(dev), false);

return 0;
}

-static int exynos4_tmu_resume(struct platform_device *pdev)
+static int exynos4_tmu_resume(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
+
exynos4_tmu_initialize(pdev);
exynos4_tmu_control(pdev, true);

return 0;
}
+
+static SIMPLE_DEV_PM_OPS(exynos4_tmu_pm, exynos4_tmu_suspend, exynos4_tmu_resume);
+#define EXYNOS4_TMU_PM (&exynos4_tmu_pm)
#else
-#define exynos4_tmu_suspend NULL
-#define exynos4_tmu_resume NULL
+#define EXYNOS4_TMU_PM NULL
#endif

static struct platform_driver exynos4_tmu_driver = {
.driver = {
.name = "exynos4-tmu",
.owner = THIS_MODULE,
+ .pm = EXYNOS4_TMU_PM,
},
.probe = exynos4_tmu_probe,
.remove = __devexit_p(exynos4_tmu_remove),
- .suspend = exynos4_tmu_suspend,
- .resume = exynos4_tmu_resume,
};

module_platform_driver(exynos4_tmu_driver);


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