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drivers/rtc/rtc-tegra.c: use struct dev_pm_ops for power management

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Make the Tegra RTC 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: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Laxman Dewangan 2013-04-29 16:19:23 -07:00 committed by Linus Torvalds
parent 38a6276e2b
commit 3443ad095f
1 changed files with 8 additions and 10 deletions
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18
drivers/rtc/rtc-tegra.c
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@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/rtc.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
/* set to 1 = busy every eight 32kHz clocks during copy of sec+msec to AHB */
#define TEGRA_RTC_REG_BUSY 0x004
@ -391,10 +392,9 @@ static int __exit tegra_rtc_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
static int tegra_rtc_suspend(struct platform_device *pdev, pm_message_t state)
static int tegra_rtc_suspend(struct device *dev)
{
struct device *dev = &pdev->dev;
struct tegra_rtc_info *info = platform_get_drvdata(pdev);
struct tegra_rtc_info *info = dev_get_drvdata(dev);
tegra_rtc_wait_while_busy(dev);
@ -416,10 +416,9 @@ static int tegra_rtc_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
static int tegra_rtc_resume(struct platform_device *pdev)
static int tegra_rtc_resume(struct device *dev)
{
struct device *dev = &pdev->dev;
struct tegra_rtc_info *info = platform_get_drvdata(pdev);
struct tegra_rtc_info *info = dev_get_drvdata(dev);
dev_vdbg(dev, "Resume (device_may_wakeup=%d)\n",
device_may_wakeup(dev));
@ -431,6 +430,8 @@ static int tegra_rtc_resume(struct platform_device *pdev)
}
#endif
static SIMPLE_DEV_PM_OPS(tegra_rtc_pm_ops, tegra_rtc_suspend, tegra_rtc_resume);
static void tegra_rtc_shutdown(struct platform_device *pdev)
{
dev_vdbg(&pdev->dev, "disabling interrupts.\n");
@ -445,11 +446,8 @@ static struct platform_driver tegra_rtc_driver = {
.name = "tegra_rtc",
.owner = THIS_MODULE,
.of_match_table = tegra_rtc_dt_match,
.pm = &tegra_rtc_pm_ops,
},
#ifdef CONFIG_PM_SLEEP
.suspend = tegra_rtc_suspend,
.resume = tegra_rtc_resume,
#endif
};
module_platform_driver_probe(tegra_rtc_driver, tegra_rtc_probe);