MIPS: Remove redundant definitions of device_tree_init()

There exists many same definitions of device_tree_init() for various
platforms, add a weak function in arch/mips/kernel/prom.c to clean
up the related code.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

1 files changed, 0 insertions, 5 deletions

diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 45d4d717e47c..4e18cdcf65a0 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -269,8 +269,3 @@ void __init arch_init_irq(void)
 {
 	irqchip_init();
 }
-
-void __init device_tree_init(void)
-{
-	unflatten_and_copy_device_tree();
-}