diff -Naurp linux-2.6.7-rc2/drivers/char/rtc.c linux-2.6.7-rc2-rtc/drivers/char/rtc.c
--- linux-2.6.7-rc2/drivers/char/rtc.c	2004-05-30 11:56:50.000000000 +0530
+++ linux-2.6.7-rc2-rtc/drivers/char/rtc.c	2004-06-03 13:09:04.000000000 +0530
@@ -169,6 +169,9 @@ static unsigned long rtc_freq = 0;	/* Cu
 static unsigned long rtc_irq_data = 0;	/* our output to the world	*/
 static unsigned long rtc_max_user_freq = 64; /* > this, need CAP_SYS_RESOURCE */
 
+static unsigned long prev_jiffies = 0;
+static unsigned long rtcticks_in_pjiffies = 0;
+
 #ifdef RTC_IRQ
 /*
  * rtc_task_lock nests inside rtc_lock.
@@ -239,6 +242,12 @@ irqreturn_t rtc_interrupt(int irq, void 
 
 	spin_unlock (&rtc_lock);
 
+	if (jiffies != prev_jiffies) {
+		prev_jiffies = jiffies;
+		rtcticks_in_pjiffies = 0;
+	}
+	rtcticks_in_pjiffies++;
+		
 	/* Now do the rest of the actions */
 	spin_lock(&rtc_task_lock);
 	if (rtc_callback)
@@ -1094,7 +1103,7 @@ static void rtc_dropped_irq(unsigned lon
 	if (rtc_status & RTC_TIMER_ON)
 		mod_timer(&rtc_irq_timer, jiffies + HZ/rtc_freq + 2*HZ/100);
 
-	rtc_irq_data += ((rtc_freq/HZ)<<8);
+	rtc_irq_data += ((rtc_freq/HZ * 2*HZ/100 - rtcticks_in_pjiffies)<<8);
 	rtc_irq_data &= ~0xff;
 	rtc_irq_data |= (CMOS_READ(RTC_INTR_FLAGS) & 0xF0);	/* restart */
 
@@ -1102,6 +1111,9 @@ static void rtc_dropped_irq(unsigned lon
 
 	spin_unlock_irq(&rtc_lock);
 
+	prev_jiffies = jiffies;
+	rtcticks_in_pjiffies = 1;
+		
 	printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n", freq);
 
 	/* Now we have new data */