C++ (Cpp) irq_settings_can_move_pcntxt示例

示例#1

void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
    unsigned long flags;
    struct irq_desc *desc = irq_get_desc_lock(irq, &flags);

    if (!desc)
        return;
    irq_settings_clr_and_set(desc, clr, set);

    irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
               IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
    if (irq_settings_has_no_balance_set(desc))
        irqd_set(&desc->irq_data, IRQD_NO_BALANCING);
    if (irq_settings_is_per_cpu(desc))
        irqd_set(&desc->irq_data, IRQD_PER_CPU);
    if (irq_settings_can_move_pcntxt(desc))
        irqd_set(&desc->irq_data, IRQD_MOVE_PCNTXT);

    irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));

    irq_put_desc_unlock(desc, flags);
}

示例#2

文件： chip.c 项目： SantoshShilimkar/linux

void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
	unsigned long flags, trigger, tmp;
	struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);

	if (!desc)
		return;

	/*
	 * Warn when a driver sets the no autoenable flag on an already
	 * active interrupt.
	 */
	WARN_ON_ONCE(!desc->depth && (set & _IRQ_NOAUTOEN));

	irq_settings_clr_and_set(desc, clr, set);

	trigger = irqd_get_trigger_type(&desc->irq_data);

	irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
		   IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
	if (irq_settings_has_no_balance_set(desc))
		irqd_set(&desc->irq_data, IRQD_NO_BALANCING);
	if (irq_settings_is_per_cpu(desc))
		irqd_set(&desc->irq_data, IRQD_PER_CPU);
	if (irq_settings_can_move_pcntxt(desc))
		irqd_set(&desc->irq_data, IRQD_MOVE_PCNTXT);
	if (irq_settings_is_level(desc))
		irqd_set(&desc->irq_data, IRQD_LEVEL);

	tmp = irq_settings_get_trigger_mask(desc);
	if (tmp != IRQ_TYPE_NONE)
		trigger = tmp;

	irqd_set(&desc->irq_data, trigger);

	irq_put_desc_unlock(desc, flags);
}