static void
clipper_set_affinity(unsigned int irq, cpumask_t affinity)
{
spin_lock(&dp264_irq_lock);
cpu_set_irq_affinity(irq - 16, affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
dp264_enable_irq(unsigned int irq)
{
spin_lock(&dp264_irq_lock);
cached_irq_mask |= 1UL << irq;
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
clipper_disable_irq(unsigned int irq)
{
spin_lock(&dp264_irq_lock);
cached_irq_mask &= ~(1UL << (irq - 16));
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
dp264_enable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
cached_irq_mask |= 1UL << d->irq;
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
clipper_disable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
cached_irq_mask &= ~(1UL << (d->irq - 16));
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
dp264_set_affinity(unsigned int irq, unsigned long affinity)
{
spin_lock(&dp264_irq_lock);
cpu_set_irq_affinity(irq, affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static int
clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
{
spin_lock(&dp264_irq_lock);
cpu_set_irq_affinity(irq - 16, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
return 0;
}
static int
clipper_set_affinity(struct irq_data *d, const struct cpumask *affinity,
bool force)
{
spin_lock(&dp264_irq_lock);
cpu_set_irq_affinity(d->irq - 16, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
return 0;
}
static void __init
clipper_init_irq(void)
{
outb(0, DMA1_RESET_REG);
outb(0, DMA2_RESET_REG);
outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
outb(0, DMA2_MASK_REG);
if (alpha_using_srm)
alpha_mv.device_interrupt = clipper_srm_device_interrupt;
tsunami_update_irq_hw(0);
init_i8259a_irqs();
init_tsunami_irqs(&clipper_irq_type, 24, 63);
}