AcoSail/kernel_optimize_test
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MIPS: GT641xx: Convert IRQ controller lock to raw spinlock.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2010-02-27 12:53:31 +01:00
parent 4a41abe596
commit f2c194a005
1 changed files with 9 additions and 9 deletions
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18
arch/mips/kernel/irq-gt641xx.c
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@ -27,18 +27,18 @@
#define GT641XX_IRQ_TO_BIT(irq) (1U << (irq - GT641XX_IRQ_BASE))
static DEFINE_SPINLOCK(gt641xx_irq_lock);
static DEFINE_RAW_SPINLOCK(gt641xx_irq_lock);
static void ack_gt641xx_irq(unsigned int irq)
{
unsigned long flags;
u32 cause;
spin_lock_irqsave(&gt641xx_irq_lock, flags);
raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
cause = GT_READ(GT_INTRCAUSE_OFS);
cause &= ~GT641XX_IRQ_TO_BIT(irq);
GT_WRITE(GT_INTRCAUSE_OFS, cause);
spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
}
static void mask_gt641xx_irq(unsigned int irq)
@ -46,11 +46,11 @@ static void mask_gt641xx_irq(unsigned int irq)
unsigned long flags;
u32 mask;
spin_lock_irqsave(&gt641xx_irq_lock, flags);
raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
mask = GT_READ(GT_INTRMASK_OFS);
mask &= ~GT641XX_IRQ_TO_BIT(irq);
GT_WRITE(GT_INTRMASK_OFS, mask);
spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
}
static void mask_ack_gt641xx_irq(unsigned int irq)
@ -58,7 +58,7 @@ static void mask_ack_gt641xx_irq(unsigned int irq)
unsigned long flags;
u32 cause, mask;
spin_lock_irqsave(&gt641xx_irq_lock, flags);
raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
mask = GT_READ(GT_INTRMASK_OFS);
mask &= ~GT641XX_IRQ_TO_BIT(irq);
GT_WRITE(GT_INTRMASK_OFS, mask);
@ -66,7 +66,7 @@ static void mask_ack_gt641xx_irq(unsigned int irq)
cause = GT_READ(GT_INTRCAUSE_OFS);
cause &= ~GT641XX_IRQ_TO_BIT(irq);
GT_WRITE(GT_INTRCAUSE_OFS, cause);
spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
}
static void unmask_gt641xx_irq(unsigned int irq)
@ -74,11 +74,11 @@ static void unmask_gt641xx_irq(unsigned int irq)
unsigned long flags;
u32 mask;
spin_lock_irqsave(&gt641xx_irq_lock, flags);
raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
mask = GT_READ(GT_INTRMASK_OFS);
mask |= GT641XX_IRQ_TO_BIT(irq);
GT_WRITE(GT_INTRMASK_OFS, mask);
spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
}
static struct irq_chip gt641xx_irq_chip = {