From: Yanteng Si <siyanteng@loongson.cn>
Date: Thu, 21 Jan 2021 01:34:34 +0000 (+0800)
Subject: MIPS: mm: Add prototype for function __update_cache
X-Git-Tag: v5.12-rc1~142^2~54
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a2fa4cede9e3662e9e33fcf929b320fb1c73b0e9;p=thirdparty%2Fkernel%2Flinux.git

MIPS: mm: Add prototype for function __update_cache

This commit adds a prototype to fix error at W=1:

arch/mips/mm/cache.c:129:6: error: no previous prototype
for '__update_cache' [-Werror=missing-prototypes]

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---

diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 4d3ab682d0938..804889b709658 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -64,6 +64,7 @@ struct vm_area_struct;
 #define __S111 __pgprot(0)
 
 extern unsigned long _page_cachable_default;
+extern void __update_cache(unsigned long address, pte_t pte);
 
 /*
  * ZERO_PAGE is a global shared page that is always zero; used
@@ -224,7 +225,6 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 			      pte_t *ptep, pte_t pteval)
 {
-	extern void __update_cache(unsigned long address, pte_t pte);
 
 	if (!pte_present(pteval))
 		goto cache_sync_done;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 23b16bfd97b23..27f4228dd24ec 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -21,6 +21,7 @@
 #include <asm/cpu.h>
 #include <asm/cpu-features.h>
 #include <asm/setup.h>
+#include <asm/pgtable.h>
 
 /* Cache operations. */
 void (*flush_cache_all)(void);