lkml.org 
[lkml]   [2015]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 15/15] clocksource/drivers/h8300_timer16: Remove pointless lock
Date
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


\
 
 \ /
  Last update: 2015-11-09 11:21    [W:0.169 / U:0.904 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site