Ejemplos de sh_cmt_clock_event_program_verify en C++ (Cpp)

Ejemplo n.º 1

Archivo: sh_cmt.c Proyecto: 303750856/linux-3.1

static void __sh_cmt_set_next(struct sh_cmt_priv *p, unsigned long delta)
{
	if (delta > p->max_match_value)
		dev_warn(&p->pdev->dev, "delta out of range\n");

	p->next_match_value = delta;
	sh_cmt_clock_event_program_verify(p, 0);
}

Ejemplo n.º 2

Archivo: sh_cmt.c Proyecto: AppEngine/linux-2.6

static void sh_cmt_set_next(struct sh_cmt_priv *p, unsigned long delta)
{
	unsigned long flags;

	if (delta > p->max_match_value)
		pr_warning("sh_cmt: delta out of range\n");

	spin_lock_irqsave(&p->lock, flags);
	p->next_match_value = delta;
	sh_cmt_clock_event_program_verify(p, 0);
	spin_unlock_irqrestore(&p->lock, flags);
}

Ejemplo n.º 3

Archivo: sh_cmt.c Proyecto: AppEngine/linux-2.6

static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id)
{
	struct sh_cmt_priv *p = dev_id;

	/* clear flags */
	sh_cmt_write(p, CMCSR, sh_cmt_read(p, CMCSR) & p->clear_bits);

	/* update clock source counter to begin with if enabled
	 * the wrap flag should be cleared by the timer specific
	 * isr before we end up here.
	 */
	if (p->flags & FLAG_CLOCKSOURCE)
		p->total_cycles += p->match_value;

	if (!(p->flags & FLAG_REPROGRAM))
		p->next_match_value = p->max_match_value;

	p->flags |= FLAG_IRQCONTEXT;

	if (p->flags & FLAG_CLOCKEVENT) {
		if (!(p->flags & FLAG_SKIPEVENT)) {
			if (p->ced.mode == CLOCK_EVT_MODE_ONESHOT) {
				p->next_match_value = p->max_match_value;
				p->flags |= FLAG_REPROGRAM;
			}

			p->ced.event_handler(&p->ced);
		}
	}

	p->flags &= ~FLAG_SKIPEVENT;

	if (p->flags & FLAG_REPROGRAM) {
		p->flags &= ~FLAG_REPROGRAM;
		sh_cmt_clock_event_program_verify(p, 1);

		if (p->flags & FLAG_CLOCKEVENT)
			if ((p->ced.mode == CLOCK_EVT_MODE_SHUTDOWN)
			    || (p->match_value == p->next_match_value))
				p->flags &= ~FLAG_REPROGRAM;
	}

	p->flags &= ~FLAG_IRQCONTEXT;

	return IRQ_HANDLED;
}

Ejemplo n.º 4

static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id)
{
	struct sh_cmt_priv *p = dev_id;

	
	sh_cmt_write(p, CMCSR, sh_cmt_read(p, CMCSR) & p->clear_bits);

	
	if (p->flags & FLAG_CLOCKSOURCE)
		p->total_cycles += p->match_value;

	if (!(p->flags & FLAG_REPROGRAM))
		p->next_match_value = p->max_match_value;

	p->flags |= FLAG_IRQCONTEXT;

	if (p->flags & FLAG_CLOCKEVENT) {
		if (!(p->flags & FLAG_SKIPEVENT)) {
			if (p->ced.mode == CLOCK_EVT_MODE_ONESHOT) {
				p->next_match_value = p->max_match_value;
				p->flags |= FLAG_REPROGRAM;
			}

			p->ced.event_handler(&p->ced);
		}
	}

	p->flags &= ~FLAG_SKIPEVENT;

	if (p->flags & FLAG_REPROGRAM) {
		p->flags &= ~FLAG_REPROGRAM;
		sh_cmt_clock_event_program_verify(p, 1);

		if (p->flags & FLAG_CLOCKEVENT)
			if ((p->ced.mode == CLOCK_EVT_MODE_SHUTDOWN)
			    || (p->match_value == p->next_match_value))
				p->flags &= ~FLAG_REPROGRAM;
	}

	p->flags &= ~FLAG_IRQCONTEXT;

	return IRQ_HANDLED;
}