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clocksource: sh_mtu2: Convert timer lock to raw spinlock.
authorPaul Mundt <lethal@linux-sh.org>
Fri, 25 May 2012 04:38:54 +0000 (13:38 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 11 Jun 2012 07:01:42 +0000 (16:01 +0900)
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
drivers/clocksource/sh_mtu2.c

index a2172f6..d9b76ca 100644 (file)
@@ -43,7 +43,7 @@ struct sh_mtu2_priv {
        struct clock_event_device ced;
 };
 
-static DEFINE_SPINLOCK(sh_mtu2_lock);
+static DEFINE_RAW_SPINLOCK(sh_mtu2_lock);
 
 #define TSTR -1 /* shared 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;
 
        /* 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);
 
        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);
 
        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)