C++ (Cpp) c67x00_ll_hpi_status Beispiele

Beispiel #1

Datei: c67x00-drv.c Projekt: 3null/linux

static irqreturn_t c67x00_irq(int irq, void *__dev)
{
	struct c67x00_device *c67x00 = __dev;
	struct c67x00_sie *sie;
	u16 msg, int_status;
	int i, count = 8;

	int_status = c67x00_ll_hpi_status(c67x00);
	if (!int_status)
		return IRQ_NONE;

	while (int_status != 0 && (count-- >= 0)) {
		c67x00_ll_irq(c67x00, int_status);
		for (i = 0; i < C67X00_SIES; i++) {
			sie = &c67x00->sie[i];
			msg = 0;
			if (int_status & SIEMSG_FLG(i))
				msg = c67x00_ll_fetch_siemsg(c67x00, i);
			if (sie->irq)
				sie->irq(sie, int_status, msg);
		}
		int_status = c67x00_ll_hpi_status(c67x00);
	}

	if (int_status)
		dev_warn(&c67x00->pdev->dev, "Not all interrupts handled! "
			 "status = 0x%04x\n", int_status);

	return IRQ_HANDLED;
}

Beispiel #2

Datei: c67x00-ll-hpi.c Projekt: CSCLOG/beaglebone

void c67x00_ll_hpi_reg_init(struct c67x00_device *dev)
{
	int i;

	hpi_recv_mbox(dev);
	c67x00_ll_hpi_status(dev);
	hpi_write_word(dev, HPI_IRQ_ROUTING_REG, 0);

	for (i = 0; i < C67X00_SIES; i++) {
		hpi_write_word(dev, SIEMSG_REG(i), 0);
		hpi_read_word(dev, SIEMSG_REG(i));
	}
}