clocksource/drivers/h8300_timer16: Remove pointless lock
authorDaniel Lezcano <daniel.lezcano@linaro.org>
Mon, 9 Nov 2015 09:55:30 +0000 (10:55 +0100)
committerDaniel Lezcano <daniel.lezcano@linaro.org>
Tue, 15 Dec 2015 08:42:28 +0000 (09:42 +0100)
The lock in the timer16_clocksource_read is not needed, remove it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
drivers/clocksource/h8300_timer16.c

index 129dca02b3ee64cb48eaef6a06c0b2af2db4ef1d..f39660586b1aeb7c92772bab8b4bc46c6f5ef0ee 100644 (file)
@@ -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;
 }