--- linux-2.6.21.3/drivers/rtc/rtc-pl031.c.orig	2007-05-24 23:22:47.000000000 +0200
+++ linux-2.6.21.3/drivers/rtc/rtc-pl031.c	2007-06-06 22:07:53.000000000 +0200
@@ -49,9 +49,14 @@
 
 static irqreturn_t pl031_interrupt(int irq, void *dev_id)
 {
-	struct rtc_device *rtc = dev_id;
+	struct pl031_local *ldata = dev_id;
 
-	rtc_update_irq(&rtc->class_dev, 1, RTC_AF);
+	rtc_update_irq(&ldata->rtc->class_dev, 1, RTC_AF);
+
+	/* www.arm.com/pdfs/DDI0287B_arm926ejs_dev_chip_trm.pdf at page
+	   222 tells that "The interrupt is cleared by writing any data
+           value to the interrupt clear register RTCICR." */
+	__raw_writel(1, ldata->base + RTC_ICR);
 
 	return IRQ_HANDLED;
 }
@@ -173,8 +178,11 @@
 		goto out_no_remap;
 	}
 
-	if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED,
-			"rtc-pl031", ldata->rtc)) {
+	/* Pass ldata to the interrupt handler, so we're able to write
+	   the register that clears the interrupt: we need ldata->base
+	   for that. */
+ 	if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED,
+			"rtc-pl031", ldata)) {
 		ret = -EIO;
 		goto out_no_irq;
 	}