Merge tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

From Kukjin Kim:
Fix to boot kernel on exynos5440 which has no specific map_io(). Current kernel
cannot support no CPU specific map_io() for Samsung SoCs.

* tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: fix to support for missing cpu specific map_io

Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/plat-samsung/init.c

@@ -55,12 +55,13 @@ void __init s3c_init_cpu(unsigned long idcode,
 
 	printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
 
-	if (cpu->map_io == NULL || cpu->init == NULL) {
+	if (cpu->init == NULL) {
 		printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
 		panic("Unsupported Samsung CPU");
 	}
 
-	cpu->map_io();
+	if (cpu->map_io)
+		cpu->map_io();
 }
 
 /* s3c24xx_init_clocks