--- zzzz-none-000/linux-3.10.107/drivers/rtc/rtc-pl031.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/rtc/rtc-pl031.c	2021-02-04 17:41:59.000000000 +0000
@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/bcd.h>
 #include <linux/delay.h>
+#include <linux/pm_wakeirq.h>
 #include <linux/slab.h>
 
 /*
@@ -305,7 +306,8 @@
 {
 	struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
 
-	amba_set_drvdata(adev, NULL);
+	dev_pm_clear_wake_irq(&adev->dev);
+	device_init_wakeup(&adev->dev, false);
 	free_irq(adev->irq[0], ldata);
 	rtc_device_unregister(ldata->rtc);
 	iounmap(ldata->base);
@@ -371,6 +373,7 @@
 		}
 	}
 
+	device_init_wakeup(&adev->dev, true);
 	ldata->rtc = rtc_device_register("pl031", &adev->dev, ops,
 					THIS_MODULE);
 	if (IS_ERR(ldata->rtc)) {
@@ -383,16 +386,13 @@
 		ret = -EIO;
 		goto out_no_irq;
 	}
-
-	device_init_wakeup(&adev->dev, 1);
-
+	dev_pm_set_wake_irq(&adev->dev, adev->irq[0]);
 	return 0;
 
 out_no_irq:
 	rtc_device_unregister(ldata->rtc);
 out_no_rtc:
 	iounmap(ldata->base);
-	amba_set_drvdata(adev, NULL);
 out_no_remap:
 	kfree(ldata);
 out:
@@ -411,7 +411,6 @@
 		.set_alarm = pl031_set_alarm,
 		.alarm_irq_enable = pl031_alarm_irq_enable,
 	},
-	.irqflags = IRQF_NO_SUSPEND,
 };
 
 /* The First ST derivative */
@@ -425,7 +424,6 @@
 	},
 	.clockwatch = true,
 	.st_weekday = true,
-	.irqflags = IRQF_NO_SUSPEND,
 };
 
 /* And the second ST derivative */
@@ -442,8 +440,10 @@
 	/*
 	 * This variant shares the IRQ with another block and must not
 	 * suspend that IRQ line.
+	 * TODO check if it shares with IRQF_NO_SUSPEND user, else we can
+	 * remove IRQF_COND_SUSPEND
 	 */
-	.irqflags = IRQF_SHARED | IRQF_NO_SUSPEND,
+	.irqflags = IRQF_SHARED | IRQF_COND_SUSPEND,
 };
 
 static struct amba_id pl031_ids[] = {
@@ -479,6 +479,6 @@
 
 module_amba_driver(pl031_driver);
 
-MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net");
+MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>");
 MODULE_DESCRIPTION("ARM AMBA PL031 RTC Driver");
 MODULE_LICENSE("GPL");