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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:21:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:39 -0700
commitb086e392b1d435f6abc1dab32b21ee5559cb53de (patch)
tree7dd512651cc68d576cb5209e62bcbdaa9de88a58 /drivers/rtc
parent5936fdb9b267990158601b634bcc959cef39d33f (diff)
downloadlinux-b086e392b1d435f6abc1dab32b21ee5559cb53de.tar.gz
rtc: rtc-spear: convert spear_rtc_driver to dev_pm_ops
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-spear.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index db3ef610dd7c..574359c48f65 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -434,10 +434,10 @@ static int spear_rtc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-
-static int spear_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int spear_rtc_suspend(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct spear_rtc_config *config = platform_get_drvdata(pdev);
 	int irq;
 
@@ -453,8 +453,9 @@ static int spear_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 	return 0;
 }
 
-static int spear_rtc_resume(struct platform_device *pdev)
+static int spear_rtc_resume(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct spear_rtc_config *config = platform_get_drvdata(pdev);
 	int irq;
 
@@ -472,12 +473,10 @@ static int spear_rtc_resume(struct platform_device *pdev)
 
 	return 0;
 }
-
-#else
-#define spear_rtc_suspend	NULL
-#define spear_rtc_resume	NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(spear_rtc_pm_ops, spear_rtc_suspend, spear_rtc_resume);
+
 static void spear_rtc_shutdown(struct platform_device *pdev)
 {
 	struct spear_rtc_config *config = platform_get_drvdata(pdev);
@@ -497,11 +496,10 @@ MODULE_DEVICE_TABLE(of, spear_rtc_id_table);
 static struct platform_driver spear_rtc_driver = {
 	.probe = spear_rtc_probe,
 	.remove = spear_rtc_remove,
-	.suspend = spear_rtc_suspend,
-	.resume = spear_rtc_resume,
 	.shutdown = spear_rtc_shutdown,
 	.driver = {
 		.name = "rtc-spear",
+		.pm = &spear_rtc_pm_ops,
 		.of_match_table = of_match_ptr(spear_rtc_id_table),
 	},
 };