[PATCH 1/2] MIPS: mm: Add prototype for function __update_cache

Yanteng Si
2021-01-21T05:56:07Z

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>
---
arch/mips/include/asm/pgtable.h | 2 +-
arch/mips/mm/cache.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 4d3ab682d093..804889b70965 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 23b16bfd97b2..27f4228dd24e 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);
--
2.27.0