[PATCH] ppc64: fix some compiler warnings

Fix some compiler warnings:

- The first two are spurious gcc warnings, but quieten them up regardless
- Add a missing include
- Use register_sysrq_key instead of __sysrq_put_key_op
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/kernel/pSeries_lpar.c

@@ -504,7 +504,7 @@ void pSeries_lpar_flush_hash_range(unsigned long context, unsigned long number,
 				   int local)
 {
 	int i;
-	unsigned long flags;
+	unsigned long flags = 0;
 	struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
 	int lock_tlbie = !(cur_cpu_spec->cpu_features & CPU_FTR_LOCKLESS_TLBIE);
 

arch/ppc64/kernel/pSeries_setup.c

@@ -59,6 +59,7 @@
 #include <asm/naca.h>
 #include <asm/time.h>
 #include <asm/nvram.h>
+#include <asm/plpar_wrappers.h>
 
 #include "i8259.h"
 #include <asm/xics.h>

arch/ppc64/mm/hash_native.c

@@ -242,7 +242,7 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
  */
 static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea)
 {
-	unsigned long vsid, va, vpn, flags;
+	unsigned long vsid, va, vpn, flags = 0;
 	long slot;
 	HPTE *hptep;
 	int lock_tlbie = !(cur_cpu_spec->cpu_features & CPU_FTR_LOCKLESS_TLBIE);

arch/ppc64/xmon/start.c

@@ -40,7 +40,7 @@ static struct sysrq_key_op sysrq_xmon_op =
 
 static int __init setup_xmon_sysrq(void)
 {
-	__sysrq_put_key_op('x', &sysrq_xmon_op);
+	register_sysrq_key('x', &sysrq_xmon_op);
 	return 0;
 }
 __initcall(setup_xmon_sysrq);