MIPS: Remove useless zero initializations.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index c16bb6d..1a466ba 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -95,14 +95,14 @@
 
 /* Global SMTC Status */
 
-unsigned int smtc_status = 0;
+unsigned int smtc_status;
 
 /* Boot command line configuration overrides */
 
 static int vpe0limit;
-static int ipibuffers = 0;
-static int nostlb = 0;
-static int asidmask = 0;
+static int ipibuffers;
+static int nostlb;
+static int asidmask;
 unsigned long smtc_asid_mask = 0xff;
 
 static int __init vpe0tcs(char *str)
@@ -151,7 +151,7 @@
 
 #ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
 
-static int hang_trig = 0;
+static int hang_trig;
 
 static int __init hangtrig_enable(char *s)
 {