Blackfin: drop unused reserve_pda() function

The Per-processor Data Area isn't actually reserved by this function, and
all it ended up doing was issuing a printk(), so punt it.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/include/asm/pda.h

@@ -64,8 +64,6 @@ struct blackfin_pda {			/* Per-processor Data Area */
 
 extern struct blackfin_pda cpu_pda[];
 
-void reserve_pda(void);
-
 #endif	/* __ASSEMBLY__ */
 
 #endif /* _ASM_BLACKFIN_PDA_H */

arch/blackfin/mach-common/smp.c

@@ -369,9 +369,6 @@ static void __cpuinit setup_secondary(unsigned int cpu)
 	bfin_write_ILAT(ilat);
 	CSYNC();
 
-	/* Reserve the PDA space for the secondary CPU. */
-	reserve_pda();
-
 	/* Enable interrupt levels IVG7-15. IARs have been already
 	 * programmed by the boot CPU.  */
 	bfin_irq_flags |= IMASK_IVG15 |

arch/blackfin/mm/init.c

@@ -134,12 +134,6 @@ asmlinkage void __init init_pda(void)
 #endif
 }
 
-void __cpuinit reserve_pda(void)
-{
-	printk(KERN_INFO "PDA for CPU%u reserved at %p\n", smp_processor_id(),
-					&cpu_pda[smp_processor_id()]);
-}
-
 void __init mem_init(void)
 {
 	unsigned int codek = 0, datak = 0, initk = 0;
@@ -186,10 +180,6 @@ static int __init sram_init(void)
 	/* Initialize the blackfin L1 Memory. */
 	bfin_sram_init();
 
-	/* Reserve the PDA space for the boot CPU right after we
-	 * initialized the scratch memory allocator.
-	 */
-	reserve_pda();
 	return 0;
 }
 pure_initcall(sram_init);