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MIPS: BCM63xx: Convert timer locks to raw spinlocks. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2010-02-27 12:53:35 +01:00
Родитель c45ef44f47
Коммит d8d607d59e
1 изменённых файлов: 17 добавлений и 17 удалений
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34
arch/mips/bcm63xx/timer.c
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@ -17,8 +17,8 @@
#include <bcm63xx_timer.h>
#include <bcm63xx_regs.h>
static DEFINE_SPINLOCK(timer_reg_lock);
static DEFINE_SPINLOCK(timer_data_lock);
static DEFINE_RAW_SPINLOCK(timer_reg_lock);
static DEFINE_RAW_SPINLOCK(timer_data_lock);
static struct clk *periph_clk;
static struct timer_data {
@ -31,23 +31,23 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
u32 stat;
int i;
spin_lock(&timer_reg_lock);
raw_spin_lock(&timer_reg_lock);
stat = bcm_timer_readl(TIMER_IRQSTAT_REG);
bcm_timer_writel(stat, TIMER_IRQSTAT_REG);
spin_unlock(&timer_reg_lock);
raw_spin_unlock(&timer_reg_lock);
for (i = 0; i < BCM63XX_TIMER_COUNT; i++) {
if (!(stat & TIMER_IRQSTAT_TIMER_CAUSE(i)))
continue;
spin_lock(&timer_data_lock);
raw_spin_lock(&timer_data_lock);
if (!timer_data[i].cb) {
spin_unlock(&timer_data_lock);
raw_spin_unlock(&timer_data_lock);
continue;
}
timer_data[i].cb(timer_data[i].data);
spin_unlock(&timer_data_lock);
raw_spin_unlock(&timer_data_lock);
}
return IRQ_HANDLED;
@ -61,7 +61,7 @@ int bcm63xx_timer_enable(int id)
if (id >= BCM63XX_TIMER_COUNT)
return -EINVAL;
spin_lock_irqsave(&timer_reg_lock, flags);
raw_spin_lock_irqsave(&timer_reg_lock, flags);
reg = bcm_timer_readl(TIMER_CTLx_REG(id));
reg |= TIMER_CTL_ENABLE_MASK;
@ -71,7 +71,7 @@ int bcm63xx_timer_enable(int id)
reg |= TIMER_IRQSTAT_TIMER_IR_EN(id);
bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
spin_unlock_irqrestore(&timer_reg_lock, flags);
raw_spin_unlock_irqrestore(&timer_reg_lock, flags);
return 0;
}
@ -85,7 +85,7 @@ int bcm63xx_timer_disable(int id)
if (id >= BCM63XX_TIMER_COUNT)
return -EINVAL;
spin_lock_irqsave(&timer_reg_lock, flags);
raw_spin_lock_irqsave(&timer_reg_lock, flags);
reg = bcm_timer_readl(TIMER_CTLx_REG(id));
reg &= ~TIMER_CTL_ENABLE_MASK;
@ -95,7 +95,7 @@ int bcm63xx_timer_disable(int id)
reg &= ~TIMER_IRQSTAT_TIMER_IR_EN(id);
bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
spin_unlock_irqrestore(&timer_reg_lock, flags);
raw_spin_unlock_irqrestore(&timer_reg_lock, flags);
return 0;
}
@ -110,7 +110,7 @@ int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data)
return -EINVAL;
ret = 0;
spin_lock_irqsave(&timer_data_lock, flags);
raw_spin_lock_irqsave(&timer_data_lock, flags);
if (timer_data[id].cb) {
ret = -EBUSY;
goto out;
@ -120,7 +120,7 @@ int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data)
timer_data[id].data = data;
out:
spin_unlock_irqrestore(&timer_data_lock, flags);
raw_spin_unlock_irqrestore(&timer_data_lock, flags);
return ret;
}
@ -133,9 +133,9 @@ void bcm63xx_timer_unregister(int id)
if (id >= BCM63XX_TIMER_COUNT)
return;
spin_lock_irqsave(&timer_data_lock, flags);
raw_spin_lock_irqsave(&timer_data_lock, flags);
timer_data[id].cb = NULL;
spin_unlock_irqrestore(&timer_data_lock, flags);
raw_spin_unlock_irqrestore(&timer_data_lock, flags);
}
EXPORT_SYMBOL(bcm63xx_timer_unregister);
@ -159,7 +159,7 @@ int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us)
if (countdown & ~TIMER_CTL_COUNTDOWN_MASK)
return -EINVAL;
spin_lock_irqsave(&timer_reg_lock, flags);
raw_spin_lock_irqsave(&timer_reg_lock, flags);
reg = bcm_timer_readl(TIMER_CTLx_REG(id));
if (monotonic)
@ -171,7 +171,7 @@ int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us)
reg |= countdown;
bcm_timer_writel(reg, TIMER_CTLx_REG(id));
spin_unlock_irqrestore(&timer_reg_lock, flags);
raw_spin_unlock_irqrestore(&timer_reg_lock, flags);
return 0;
}