1 files changed, 16 insertions, 28 deletions

diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index e5fef141a0e2..8bd8115329b5 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -22,13 +22,13 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/tps65910.h>
 
 struct tps65910_rtc {
 	struct rtc_device	*rtc;
-	/* To store the list of enabled interrupts */
-	u32 irqstat;
+	int irq;
 };
 
 /* Total number of RTC registers needed to set time*/
@@ -267,13 +267,14 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
 	}
 
 	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
-		tps65910_rtc_interrupt, IRQF_TRIGGER_LOW,
+		tps65910_rtc_interrupt, IRQF_TRIGGER_LOW | IRQF_EARLY_RESUME,
 		dev_name(&pdev->dev), &pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "IRQ is not free.\n");
 		return ret;
 	}
-	device_init_wakeup(&pdev->dev, 1);
+	tps_rtc->irq = irq;
+	device_set_wakeup_capable(&pdev->dev, 1);
 
 	tps_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
 		&tps65910_rtc_ops, THIS_MODULE);
@@ -304,49 +305,36 @@ static int tps65910_rtc_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM_SLEEP
-
 static int tps65910_rtc_suspend(struct device *dev)
 {
-	struct tps65910 *tps = dev_get_drvdata(dev->parent);
-	u8 alarm = TPS65910_RTC_INTERRUPTS_IT_ALARM;
-	int ret;
-
-	/* Store current list of enabled interrupts*/
-	ret = regmap_read(tps->regmap, TPS65910_RTC_INTERRUPTS,
-		&tps->rtc->irqstat);
-	if (ret < 0)
-		return ret;
+	struct tps65910_rtc *tps_rtc = dev_get_drvdata(dev);
 
-	/* Enable RTC ALARM interrupt only */
-	return regmap_write(tps->regmap, TPS65910_RTC_INTERRUPTS, alarm);
+	if (device_may_wakeup(dev))
+		enable_irq_wake(tps_rtc->irq);
+	return 0;
 }
 
 static int tps65910_rtc_resume(struct device *dev)
 {
-	struct tps65910 *tps = dev_get_drvdata(dev->parent);
+	struct tps65910_rtc *tps_rtc = dev_get_drvdata(dev);
 
-	/* Restore list of enabled interrupts before suspend */
-	return regmap_write(tps->regmap, TPS65910_RTC_INTERRUPTS,
-		tps->rtc->irqstat);
+	if (device_may_wakeup(dev))
+		disable_irq_wake(tps_rtc->irq);
+	return 0;
 }
+#endif
 
 static const struct dev_pm_ops tps65910_rtc_pm_ops = {
-	.suspend	= tps65910_rtc_suspend,
-	.resume		= tps65910_rtc_resume,
+	SET_SYSTEM_SLEEP_PM_OPS(tps65910_rtc_suspend, tps65910_rtc_resume)
 };
 
-#define DEV_PM_OPS     (&tps65910_rtc_pm_ops)
-#else
-#define DEV_PM_OPS     NULL
-#endif
-
 static struct platform_driver tps65910_rtc_driver = {
 	.probe		= tps65910_rtc_probe,
 	.remove		= tps65910_rtc_remove,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "tps65910-rtc",
-		.pm	= DEV_PM_OPS,
+		.pm	= &tps65910_rtc_pm_ops,
 	},
 };