[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>

1 files changed, 4 insertions, 14 deletions

diff --git a/arch/mips/arc/memory.c b/arch/mips/arc/memory.c
index 8a9ef58cc399..456cb81a32d9 100644
--- a/arch/mips/arc/memory.c
+++ b/arch/mips/arc/memory.c
@@ -141,30 +141,20 @@ void __init prom_meminit(void)
         }
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        unsigned long freed = 0;
         unsigned long addr;
         int i;
 
         if (prom_flags & PROM_FLAG_DONT_FREE_TEMP)
-                return 0;
+                return;
 
         for (i = 0; i < boot_mem_map.nr_map; i++) {
                 if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA)
                         continue;
 
                 addr = boot_mem_map.map[i].addr;
-                while (addr < boot_mem_map.map[i].addr
-                              + boot_mem_map.map[i].size) {
-                        ClearPageReserved(virt_to_page(__va(addr)));
-                        init_page_count(virt_to_page(__va(addr)));
-                        free_page((unsigned long)__va(addr));
-                        addr += PAGE_SIZE;
-                        freed += PAGE_SIZE;
-                }
+                free_init_pages("prom memory",
+                                addr, addr + boot_mem_map.map[i].size);
         }
-        printk(KERN_INFO "Freeing prom memory: %ldkb freed\n", freed >> 10);
-
-        return freed;
 }