[PATCH -next 4/4] powerpc: Remove obsoleted declarations for use_cop and drop_cop

[Gaosheng Cui]

The use_cop() and drop_cop() have been removed since
commit 6ff4d3e96652 ("powerpc: Remove old unused icswx based
coprocessor support"), now they are useless, so remove them.

Signed-off-by: Gaosheng Cui <cuigaosheng1 at huawei.com>
---
 arch/powerpc/include/asm/mmu_context.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index a334a1368848..a157ab513347 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -116,9 +116,6 @@ static inline bool need_extra_context(struct mm_struct *mm, unsigned long ea)
 }
 #endif
 
-extern int use_cop(unsigned long acop, struct mm_struct *mm);
-extern void drop_cop(unsigned long acop, struct mm_struct *mm);
-
 #ifdef CONFIG_PPC_BOOK3S_64
 static inline void inc_mm_active_cpus(struct mm_struct *mm)
 {
-- 
2.25.1