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clocksource: sh_mtu2: Convert timer lock to raw spinlock.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2012-05-25 13:38:54 +09:00
parent 7d0c399fe9
commit 50393a92c8
1 changed files with 3 additions and 3 deletions
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6
drivers/clocksource/sh_mtu2.c
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@ -43,7 +43,7 @@ struct sh_mtu2_priv {
struct clock_event_device ced; struct clock_event_device ced;
}; };
static DEFINE_SPINLOCK(sh_mtu2_lock); static DEFINE_RAW_SPINLOCK(sh_mtu2_lock);
#define TSTR -1 /* shared register */ #define TSTR -1 /* shared register */
#define TCR 0 /* channel register */ #define TCR 0 /* channel register */
@ -107,7 +107,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
unsigned long flags, value; unsigned long flags, value;
/* start stop register shared by multiple timer channels */ /* start stop register shared by multiple timer channels */
spin_lock_irqsave(&sh_mtu2_lock, flags); raw_spin_lock_irqsave(&sh_mtu2_lock, flags);
value = sh_mtu2_read(p, TSTR); value = sh_mtu2_read(p, TSTR);
if (start) if (start)
@ -116,7 +116,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
value &= ~(1 << cfg->timer_bit); value &= ~(1 << cfg->timer_bit);
sh_mtu2_write(p, TSTR, value); sh_mtu2_write(p, TSTR, value);
spin_unlock_irqrestore(&sh_mtu2_lock, flags); raw_spin_unlock_irqrestore(&sh_mtu2_lock, flags);
} }
static int sh_mtu2_enable(struct sh_mtu2_priv *p) static int sh_mtu2_enable(struct sh_mtu2_priv *p)