C++ (Cpp) mc13xxx_irq_request_nounmask Examples

Example #1

File: rtc-mc13xxx.c Project: 020gzh/linux

static int __init mc13xxx_rtc_probe(struct platform_device *pdev)
{
	int ret;
	struct mc13xxx_rtc *priv;
	struct mc13xxx *mc13xxx;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	mc13xxx = dev_get_drvdata(pdev->dev.parent);
	priv->mc13xxx = mc13xxx;
	priv->valid = 1;

	platform_set_drvdata(pdev, priv);

	mc13xxx_lock(mc13xxx);

	mc13xxx_irq_ack(mc13xxx, MC13XXX_IRQ_RTCRST);

	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_RTCRST,
			mc13xxx_rtc_reset_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_irq_request;

	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_1HZ,
			mc13xxx_rtc_update_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_irq_request;

	ret = mc13xxx_irq_request_nounmask(mc13xxx, MC13XXX_IRQ_TODA,
			mc13xxx_rtc_alarm_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_irq_request;

	mc13xxx_unlock(mc13xxx);

	priv->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
					     &mc13xxx_rtc_ops, THIS_MODULE);

	return 0;

err_irq_request:
	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_TODA, priv);
	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_1HZ, priv);
	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_RTCRST, priv);

	mc13xxx_unlock(mc13xxx);

	return ret;
}

Example #2

File: mc13xxx-core.c Project: 03199618/linux

int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
		irq_handler_t handler, const char *name, void *dev)
{
	int ret;

	ret = mc13xxx_irq_request_nounmask(mc13xxx, irq, handler, name, dev);
	if (ret)
		return ret;

	ret = mc13xxx_irq_unmask(mc13xxx, irq);
	if (ret) {
		mc13xxx->irqhandler[irq] = NULL;
		mc13xxx->irqdata[irq] = NULL;
		return ret;
	}

	return 0;
}

Example #3

File: rtc-mc13xxx.c Project: romanbb/android_kernel_lge_d851

static int __init mc13xxx_rtc_probe(struct platform_device *pdev)
{
	int ret;
	struct mc13xxx_rtc *priv;
	struct mc13xxx *mc13xxx;
	int rtcrst_pending;

	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	mc13xxx = dev_get_drvdata(pdev->dev.parent);
	priv->mc13xxx = mc13xxx;

	platform_set_drvdata(pdev, priv);

	mc13xxx_lock(mc13xxx);

	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_RTCRST,
			mc13xxx_rtc_reset_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_reset_irq_request;

	ret = mc13xxx_irq_status(mc13xxx, MC13XXX_IRQ_RTCRST,
			NULL, &rtcrst_pending);
	if (ret)
		goto err_reset_irq_status;

	priv->valid = !rtcrst_pending;

	ret = mc13xxx_irq_request_nounmask(mc13xxx, MC13XXX_IRQ_1HZ,
			mc13xxx_rtc_update_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_update_irq_request;

	ret = mc13xxx_irq_request_nounmask(mc13xxx, MC13XXX_IRQ_TODA,
			mc13xxx_rtc_alarm_handler, DRIVER_NAME, priv);
	if (ret)
		goto err_alarm_irq_request;

	mc13xxx_unlock(mc13xxx);

	priv->rtc = rtc_device_register(pdev->name,
			&pdev->dev, &mc13xxx_rtc_ops, THIS_MODULE);
	if (IS_ERR(priv->rtc)) {
		ret = PTR_ERR(priv->rtc);

		mc13xxx_lock(mc13xxx);

		mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_TODA, priv);
err_alarm_irq_request:

		mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_1HZ, priv);
err_update_irq_request:

err_reset_irq_status:

		mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_RTCRST, priv);
err_reset_irq_request:

		mc13xxx_unlock(mc13xxx);

		platform_set_drvdata(pdev, NULL);
		kfree(priv);
	}

	return ret;
}