powerpc/32: Make some functions static

These functions can all be static, make it so.
Signed-off-by: Mathieu Malaterre <malat@debian.org>
[mpe: Combine a patch of Mathieu's with some other static conversions]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/setup_32.c

@@ -121,7 +121,7 @@ notrace void __init machine_init(u64 dt_ptr)
 }
 
 /* Checks "l2cr=xxxx" command-line option */
-int __init ppc_setup_l2cr(char *str)
+static int __init ppc_setup_l2cr(char *str)
 {
 	if (cpu_has_feature(CPU_FTR_L2CR)) {
 		unsigned long val = simple_strtoul(str, NULL, 0);
@@ -134,7 +134,7 @@ int __init ppc_setup_l2cr(char *str)
 __setup("l2cr=", ppc_setup_l2cr);
 
 /* Checks "l3cr=xxxx" command-line option */
-int __init ppc_setup_l3cr(char *str)
+static int __init ppc_setup_l3cr(char *str)
 {
 	if (cpu_has_feature(CPU_FTR_L3CR)) {
 		unsigned long val = simple_strtoul(str, NULL, 0);
@@ -180,7 +180,7 @@ EXPORT_SYMBOL(nvram_sync);
 
 #endif /* CONFIG_NVRAM */
 
-int __init ppc_init(void)
+static int __init ppc_init(void)
 {
 	/* clear the progress line */
 	if (ppc_md.progress)
@@ -192,7 +192,6 @@ int __init ppc_init(void)
 	}
 	return 0;
 }
-
 arch_initcall(ppc_init);
 
 void __init irqstack_early_init(void)

arch/powerpc/mm/init_32.c

@@ -99,7 +99,7 @@ unsigned long __max_low_memory = MAX_LOW_MEM;
 /*
  * Check for command-line options that affect what MMU_init will do.
  */
-void __init MMU_setup(void)
+static void __init MMU_setup(void)
 {
 	/* Check for nobats option (used in mapin_ram). */
 	if (strstr(boot_command_line, "nobats")) {