From c64a4a4ccf9bc60385f9c3ba07886d7024503444 Mon Sep 17 00:00:00 2001
From: Ahmad Fatoum <ahmad@a3f.at>
Date: Wed, 16 Oct 2019 09:21:39 +0200
Subject: efi: silence warning about un-prototyped assembly-called functions

Both _relocate and efi_main are only called from assembly, but
-Wmissing-prototypes doesn't know that and warns about them.
Pre-declare prototypes to silence the warnings.

Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/x86/mach-efi/reloc_x86_64.c | 3 +++
 common/efi/efi.c                 | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/x86/mach-efi/reloc_x86_64.c b/arch/x86/mach-efi/reloc_x86_64.c
index 1db72f5dbc..e83bacb302 100644
--- a/arch/x86/mach-efi/reloc_x86_64.c
+++ b/arch/x86/mach-efi/reloc_x86_64.c
@@ -35,11 +35,14 @@
     SUCH DAMAGE.
 */
 
+#include <linux/linkage.h>
 #include <common.h>
 #include <efi.h>
 
 #include <elf.h>
 
+asmlinkage efi_status_t _relocate (long, Elf64_Dyn *, efi_handle_t, efi_system_table_t *);
+
 efi_status_t _relocate (long ldbase, Elf64_Dyn *dyn, efi_handle_t image, efi_system_table_t *systab)
 {
 	long relsz = 0, relent = 0;
diff --git a/common/efi/efi.c b/common/efi/efi.c
index a7b25cbbe2..73cea37036 100644
--- a/common/efi/efi.c
+++ b/common/efi/efi.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <linux/linkage.h>
 #include <common.h>
 #include <linux/sizes.h>
 #include <memory.h>
@@ -318,6 +319,8 @@ static int efi_init(void)
 }
 device_initcall(efi_init);
 
+asmlinkage efi_status_t efi_main(efi_handle_t, efi_system_table_t *);
+
 /**
  * efi-main - Entry point for EFI images
  */
-- 
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