MIPS: GT641xx: Convert to new irq_chip functions

static DEFINE_RAW_SPINLOCK(gt641xx_irq_lock);

static void ack_gt641xx_irq(unsigned int irq)

static void ack_gt641xx_irq(struct irq_data *d)

{

	unsigned long flags;

	u32 cause;

	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);

	cause = GT_READ(GT_INTRCAUSE_OFS);

	cause &= ~GT641XX_IRQ_TO_BIT(irq);

	cause &= ~GT641XX_IRQ_TO_BIT(d->irq);

	GT_WRITE(GT_INTRCAUSE_OFS, cause);

	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);

}

static void mask_gt641xx_irq(unsigned int irq)

static void mask_gt641xx_irq(struct irq_data *d)

{

	unsigned long flags;

	u32 mask;

	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);

	mask = GT_READ(GT_INTRMASK_OFS);

	mask &= ~GT641XX_IRQ_TO_BIT(irq);

	mask &= ~GT641XX_IRQ_TO_BIT(d->irq);

	GT_WRITE(GT_INTRMASK_OFS, mask);

	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);

}

static void mask_ack_gt641xx_irq(unsigned int irq)

static void mask_ack_gt641xx_irq(struct irq_data *d)

{

	unsigned long flags;

	u32 cause, mask;

	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);

	mask = GT_READ(GT_INTRMASK_OFS);

	mask &= ~GT641XX_IRQ_TO_BIT(irq);

	mask &= ~GT641XX_IRQ_TO_BIT(d->irq);

	GT_WRITE(GT_INTRMASK_OFS, mask);

	cause = GT_READ(GT_INTRCAUSE_OFS);

	cause &= ~GT641XX_IRQ_TO_BIT(irq);

	cause &= ~GT641XX_IRQ_TO_BIT(d->irq);

	GT_WRITE(GT_INTRCAUSE_OFS, cause);

	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);

}

static void unmask_gt641xx_irq(unsigned int irq)

static void unmask_gt641xx_irq(struct irq_data *d)

{

	unsigned long flags;

	u32 mask;

	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);

	mask = GT_READ(GT_INTRMASK_OFS);

	mask |= GT641XX_IRQ_TO_BIT(irq);

	mask |= GT641XX_IRQ_TO_BIT(d->irq);

	GT_WRITE(GT_INTRMASK_OFS, mask);

	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);

}

static struct irq_chip gt641xx_irq_chip = {

	.name		= "GT641xx",

	.ack		= ack_gt641xx_irq,

	.mask		= mask_gt641xx_irq,

	.mask_ack	= mask_ack_gt641xx_irq,

	.unmask		= unmask_gt641xx_irq,

	.irq_ack	= ack_gt641xx_irq,

	.irq_mask	= mask_gt641xx_irq,

	.irq_mask_ack	= mask_ack_gt641xx_irq,

	.irq_unmask	= unmask_gt641xx_irq,

};

void gt641xx_irq_dispatch(void)