Messages in this thread Patch in this message | | | From | Daniel Lezcano <> | Subject | [PATCH 15/15] clocksource/drivers/h8300_timer16: Remove pointless lock | Date | Mon, 9 Nov 2015 11:06:53 +0100 |
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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 | 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
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