powerpc: Merge machdep.h

A few things change for consistency between ppc32 and ppc64:
idle functions return void; *_get_boot_time functions return
unsigned long (i.e. time_t) rather than filling in a struct rtc_time
(since that's useful to the callers and easier for pmac to
generate); *_get_rtc_time and *_set_rtc_time functions take
a struct rtc_time; irq_canonicalize is gone; nvram_sync returns
void.

Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 93852c2..41cd5b6 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -73,8 +73,8 @@
 extern void ppcdbg_initialize(void);
 
 static void build_iSeries_Memory_Map(void);
-static int iseries_shared_idle(void);
-static int iseries_dedicated_idle(void);
+static void iseries_shared_idle(void);
+static void iseries_dedicated_idle(void);
 #ifdef CONFIG_PCI
 extern void iSeries_pci_final_fixup(void);
 #else
@@ -693,7 +693,7 @@
 	process_iSeries_events();
 }
 
-static int iseries_shared_idle(void)
+static void iseries_shared_idle(void)
 {
 	while (1) {
 		while (!need_resched() && !hvlpevent_is_pending()) {
@@ -715,11 +715,9 @@
 
 		schedule();
 	}
-
-	return 0;
 }
 
-static int iseries_dedicated_idle(void)
+static void iseries_dedicated_idle(void)
 {
 	long oldval;
 
@@ -749,8 +747,6 @@
 		ppc64_runlatch_on();
 		schedule();
 	}
-
-	return 0;
 }
 
 #ifndef CONFIG_PCI