[Uclinux-h8-devel] [PATCH 15/15] clocksource/drivers/h8300_timer16: Remove pointless lock

Zurück zum Archiv-Index

Daniel Lezcano danie****@linar*****
2015年 11月 9日 (月) 19:06:53 JST


The lock in the timer16_clocksource_read is not needed, remove it.

Signed-off-by: Daniel Lezcano <danie****@linar*****>
---
 drivers/clocksource/h8300_timer16.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c
index 129dca0..f396605 100644
--- a/drivers/clocksource/h8300_timer16.c
+++ b/drivers/clocksource/h8300_timer16.c
@@ -30,7 +30,6 @@ struct timer16_priv {
 	unsigned char imfa;
 	unsigned char imiea;
 	unsigned char ovf;
-	raw_spinlock_t lock;
 	struct clk *clk;
 };
 
@@ -75,13 +74,10 @@ static inline struct timer16_priv *cs_to_priv(struct clocksource *cs)
 static cycle_t timer16_clocksource_read(struct clocksource *cs)
 {
 	struct timer16_priv *p = cs_to_priv(cs);
-	unsigned long flags, raw;
-	unsigned long value;
+	unsigned long raw, value;
 
-	raw_spin_lock_irqsave(&p->lock, flags);
 	value = p->total_cycles;
 	raw = timer16_get_counter(p);
-	raw_spin_unlock_irqrestore(&p->lock, flags);
 
 	return value + raw;
 }
-- 
1.9.1




Uclinux-h8-devel メーリングリストの案内
Zurück zum Archiv-Index