[PATCH v2 1/2] riscv: Fix build warning for mm/init

[Zong Li]

Add static keyword for resource_init, this function is only used in this
object file.

The warning message as follow (with W=1 build):

arch/riscv/mm/init.c:520:13:
warning: no previous prototype for 'resource_init' [-Wmissing-prototypes]

Signed-off-by: Zong Li <zong.li at sifive.com>
---
 arch/riscv/mm/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 92002952c621..66f5952f39c0 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -517,7 +517,7 @@ void mark_rodata_ro(void)
 }
 #endif
 
-void __init resource_init(void)
+static void __init resource_init(void)
 {
 	struct memblock_region *region;
 
-- 
2.27.0