diff -uNr linux-2.6.16.1-imac/arch/i386/kernel/time.c linux-2.6.16.1-imac-sky2-rtc/arch/i386/kernel/time.c
--- linux-2.6.16.1-imac/arch/i386/kernel/time.c	2006-03-28 07:49:02.000000000 +0100
+++ linux-2.6.16.1-imac-sky2-rtc/arch/i386/kernel/time.c	2006-04-26 08:47:26.000000000 +0100
@@ -206,9 +206,11 @@
 
 	/* gets recalled with irq locally disabled */
 	spin_lock_irq(&rtc_lock);
+#if 0
 	if (efi_enabled)
 		retval = efi_set_rtc_mmss(nowtime);
 	else
+#endif
 		retval = mach_set_rtc_mmss(nowtime);
 	spin_unlock_irq(&rtc_lock);
 
@@ -318,9 +320,11 @@
 
 	spin_lock(&rtc_lock);
 
+#if 0
 	if (efi_enabled)
 		retval = efi_get_time();
 	else
+#endif
 		retval = mach_get_cmos_time();
 
 	spin_unlock(&rtc_lock);