Blackfin: merge sram init functions

Now that the sram_init() function exists only to call the bfin_sram_init()
after the punting of the reserve_pda() function, simply merge the two to
avoid pointless overhead.
Signed-off-by: NGraf Yang <graf.yang@analog.com>
Signed-off-by: NMike Frysinger <vapier@gentoo.org>

arch/blackfin/mm/blackfin_sram.h

@@ -30,7 +30,6 @@
 #ifndef __BLACKFIN_SRAM_H__
 #define __BLACKFIN_SRAM_H__
 
-extern void bfin_sram_init(void);
 extern void *l1sram_alloc(size_t);
 
 #endif

arch/blackfin/mm/init.c

@@ -175,15 +175,6 @@ void __init mem_init(void)
 		initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
 }
 
-static int __init sram_init(void)
-{
-	/* Initialize the blackfin L1 Memory. */
-	bfin_sram_init();
-
-	return 0;
-}
-pure_initcall(sram_init);
-
 static void __init free_init_pages(const char *what, unsigned long begin, unsigned long end)
 {
 	unsigned long addr;

arch/blackfin/mm/sram-alloc.c

@@ -223,7 +223,7 @@ static void __init l2_sram_init(void)
 	spin_lock_init(&l2_sram_lock);
 }
 
-void __init bfin_sram_init(void)
+static int __init bfin_sram_init(void)
 {
 	sram_piece_cache = kmem_cache_create("sram_piece_cache",
 				sizeof(struct sram_piece),
@@ -233,7 +233,10 @@ void __init bfin_sram_init(void)
 	l1_data_sram_init();
 	l1_inst_sram_init();
 	l2_sram_init();
+
+	return 0;
 }
+pure_initcall(bfin_sram_init);
 
 /* SRAM allocate function */
 static void *_sram_alloc(size_t size, struct sram_piece *pfree_head,