lkml.org 
[lkml]   [2012]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4/5] i2c: tegra: Use struct dev_pm_ops for power management
Date
Make the tegra i2c driver define its PM callbacks through
struct dev_pm_ops objects rather than by using legacy PM hooks
in struct platform_driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
---
drivers/i2c/busses/i2c-tegra.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 0792674..5f0572d 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -713,8 +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 platform_device *pdev = to_platform_device(dev);
struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);

i2c_lock_adapter(&i2c_dev->adapter);
@@ -724,8 +725,9 @@ 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 platform_device *pdev = to_platform_device(dev);
struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
int ret;

@@ -744,6 +746,14 @@ static int tegra_i2c_resume(struct platform_device *pdev)

return 0;
}
+
+static const struct dev_pm_ops tegra_i2c_dev_pm_ops = {
+ .suspend = tegra_i2c_suspend,
+ .resume = tegra_i2c_resume,
+};
+#define TEGRA_I2C_DEV_PM_OPS (&tegra_i2c_dev_pm_ops)
+#else
+#define TEGRA_I2C_DEV_PM_OPS NULL
#endif

#if defined(CONFIG_OF)
@@ -759,14 +769,11 @@ 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_DEV_PM_OPS,
},
};

--
1.7.1.1


\
 
 \ /
  Last update: 2012-07-10 18:01    [from the cache]
©2003-2011 Jasper Spaans