[PATCH] powerpc: Remove stale iseries global

Not even the iSeries maintainer seems to have access to this legendary
piranha simulator. It adds a bit of ugliness in the common time init
code, and if it's no longer used we might as well be done with it and
remove the bloat.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/time.c

@@ -76,7 +76,6 @@
 
 /* keep track of when we need to update the rtc */
 time_t last_rtc_update;
-extern int piranha_simulator;
 #ifdef CONFIG_PPC_ISERIES
 unsigned long iSeries_recal_titan = 0;
 unsigned long iSeries_recal_tb = 0; 
@@ -1010,10 +1009,7 @@ void __init time_init(void)
 	tb_to_ns_scale = scale;
 	tb_to_ns_shift = shift;
 
-#ifdef CONFIG_PPC_ISERIES
-	if (!piranha_simulator)
-#endif
-		tm = get_boot_time();
+	tm = get_boot_time();
 
 	write_seqlock_irqsave(&xtime_lock, flags);
 

arch/powerpc/platforms/iseries/mf.c

@@ -45,7 +45,6 @@
 
 #include "setup.h"
 
-extern int piranha_simulator;
 static int mf_initialized;
 
 /*
@@ -658,7 +657,7 @@ static void mf_clear_src(void)
 
 void __init mf_display_progress(u16 value)
 {
-	if (piranha_simulator || !mf_initialized)
+	if (!mf_initialized)
 		return;
 
 	if (0xFFFF == value)
@@ -1295,9 +1294,6 @@ __initcall(mf_proc_init);
  */
 void iSeries_get_rtc_time(struct rtc_time *rtc_tm)
 {
-	if (piranha_simulator)
-		return;
-
 	mf_get_rtc(rtc_tm);
 	rtc_tm->tm_mon--;
 }
@@ -1316,9 +1312,6 @@ unsigned long iSeries_get_boot_time(void)
 {
 	struct rtc_time tm;
 
-	if (piranha_simulator)
-		return 0;
-
 	mf_get_boot_rtc(&tm);
 	return mktime(tm.tm_year + 1900, tm.tm_mon, tm.tm_mday,
 		      tm.tm_hour, tm.tm_min, tm.tm_sec);

arch/powerpc/platforms/iseries/setup.c

@@ -81,9 +81,6 @@ extern void iSeries_pci_final_fixup(void);
 static void iSeries_pci_final_fixup(void) { }
 #endif
 
-/* Global Variables */
-int piranha_simulator;
-
 extern int rd_size;		/* Defined in drivers/block/rd.c */
 extern unsigned long embedded_sysmap_start;
 extern unsigned long embedded_sysmap_end;
@@ -340,8 +337,6 @@ static void __init iSeries_init_early(void)
 #ifdef CONFIG_SMP
 	smp_init_iSeries();
 #endif
-	if (itLpNaca.xPirEnvironMode == 0)
-		piranha_simulator = 1;
 
 	/* Associate Lp Event Queue 0 with processor 0 */
 	HvCallEvent_setLpEventQueueInterruptProc(0, 0);