[PATCH] MIPS: fix build with CONFIG_OF=y for non OF-enabled targets

[Jonas Gorski <jogo-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>]

Commit 01306aeadd75 ("MIPS: prepare for user enabling of CONFIG_OF")
changed the guards in asm/prom.h from CONFIG_OF to CONFIG_USE_OF, but
missed the actual function declarations in kernel/prom.c, which have
additional dependencies.

Fixes the following build error:

  CC      arch/mips/kernel/prom.o
arch/mips/kernel/prom.c: In function '__dt_setup_arch':
arch/mips/kernel/prom.c:54:2: error: implicit declaration of function 'early_init_dt_scan' [-Werror=implicit-function-declaration]
  if (!early_init_dt_scan(bph))
  ^

Fixes: 01306aeadd75 ("MIPS: prepare for user enabling of CONFIG_OF")
Signed-off-by: Jonas Gorski <jogo-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
---
 arch/mips/kernel/prom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index b130033..5fcec30 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -38,7 +38,7 @@ char *mips_get_machine_name(void)
 	return mips_machine_name;
 }
 
-#ifdef CONFIG_OF
+#ifdef CONFIG_USE_OF
 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
 {
 	return add_memory_region(base, size, BOOT_MEM_RAM);
-- 
2.1.4
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