[MIPS] prom_free_prom_memory cleanup

Current prom_free_prom_memory() implementations are almost same as
free_init_pages(), or no-op.  Make free_init_pages() extern (again)
and make prom_free_prom_memory() use it.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 4 insertions, 8 deletions

diff --git a/arch/mips/momentum/jaguar_atx/prom.c b/arch/mips/momentum/jaguar_atx/prom.c
index 3d2712929293..66371ffa2196 100644
--- a/arch/mips/momentum/jaguar_atx/prom.c
+++ b/arch/mips/momentum/jaguar_atx/prom.c
@@ -235,9 +235,8 @@ void __init prom_init(void)
 #endif
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        return 0;
 }
 
 void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
diff --git a/arch/mips/momentum/ocelot_3/prom.c b/arch/mips/momentum/ocelot_3/prom.c
index 6ce9b7fdb824..8e02df63578a 100644
--- a/arch/mips/momentum/ocelot_3/prom.c
+++ b/arch/mips/momentum/ocelot_3/prom.c
@@ -180,9 +180,8 @@ void __init prom_init(void)
 #endif
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        return 0;
 }
 
 void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c
index d0b77e101d74..b689ceea8cfb 100644
--- a/arch/mips/momentum/ocelot_c/prom.c
+++ b/arch/mips/momentum/ocelot_c/prom.c
@@ -178,7 +178,6 @@ void __init prom_init(void)
 #endif
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        return 0;
 }
diff --git a/arch/mips/momentum/ocelot_g/prom.c b/arch/mips/momentum/ocelot_g/prom.c
index 2f75c6b91ec5..836d0830720d 100644
--- a/arch/mips/momentum/ocelot_g/prom.c
+++ b/arch/mips/momentum/ocelot_g/prom.c
@@ -79,7 +79,6 @@ void __init prom_init(void)
         }
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        return 0;
 }