[PATCH -next] powerpc/powermac: Fix symbol not declared warnings

[Chen Lifu]

1. ppc_override_l2cr and ppc_override_l2cr_value are only used in
   l2cr_init() function, so move them inside the function.
2. has_l2cache is not used outside of the file, so mark it static, and
   do not initialise statics to 0.

Fixes the following warning:

arch/powerpc/platforms/powermac/setup.c:74:5: warning: symbol 'ppc_override_l2cr' was not declared. Should it be static?
arch/powerpc/platforms/powermac/setup.c:75:5: warning: symbol 'ppc_override_l2cr_value' was not declared. Should it be static?
arch/powerpc/platforms/powermac/setup.c:76:5: warning: symbol 'has_l2cache' was not declared. Should it be static?

Signed-off-by: Chen Lifu <chenlifu at huawei.com>
---
 arch/powerpc/platforms/powermac/setup.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 04daa7f0a03c..f8b847a2f5b5 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -68,13 +68,11 @@
 
 #include "pmac.h"
 
 #undef SHOW_GATWICK_IRQS
 
-int ppc_override_l2cr = 0;
-int ppc_override_l2cr_value;
-int has_l2cache = 0;
+static int has_l2cache;
 
 int pmac_newworld;
 
 static int current_root_goodness = -1;
 
@@ -226,10 +224,13 @@ static void __init ohare_init(void)
 	}
 }
 
 static void __init l2cr_init(void)
 {
+	int ppc_override_l2cr = 0;
+	int ppc_override_l2cr_value;
+
 	/* Checks "l2cr-value" property in the registry */
 	if (cpu_has_feature(CPU_FTR_L2CR)) {
 		struct device_node *np;
 
 		for_each_of_cpu_node(np) {
-- 
2.37.1