[PATCH] MIPS:Loongson2F:delete mutex defined but not used

[chenxb_99091@xxxxxxx]

From: Kailong <wkailong1993@xxxxxxx>

For 4.19.X, mutex clock_list_sem defined in
 arch/mips/loongson64/lemote-2f/clock.c never be used.  So delete it

Signed-off-by: Kailong <wkailong1993@xxxxxxx>
---
 arch/mips/loongson64/lemote-2f/clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/loongson64/lemote-2f/clock.c b/arch/mips/loongson64/lemote-2f/clock.c
index 8281334..aff58b0 100644
--- a/arch/mips/loongson64/lemote-2f/clock.c
+++ b/arch/mips/loongson64/lemote-2f/clock.c
@@ -19,7 +19,7 @@
 
 static LIST_HEAD(clock_list);
 static DEFINE_SPINLOCK(clock_lock);
-static DEFINE_MUTEX(clock_list_sem);
+
 
 /* Minimum CLK support */
 enum {
-- 
2.7.4