Commit 023f117c authored Dec 18, 2011 by Russell King

ARM: amba: make irq 0 invalid



Fix core bus and MMCI such that irq 0 means that there is no IRQ
attached.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 039e7ad8

drivers/amba/bus.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -564,9 +564,9 @@ int amba_device_add(struct amba_device dev, struct resource parent)
		if (ret)
		goto err_release;

		if (dev->irq[0] != NO_IRQ)
		if (dev->irq[0] && dev->irq[0] != NO_IRQ)
		ret = device_create_file(&dev->dev, &dev_attr_irq0);
		if (ret == 0 && dev->irq[1] != NO_IRQ)
		if (ret == 0 && dev->irq[1] && dev->irq[1] != NO_IRQ)
		ret = device_create_file(&dev->dev, &dev_attr_irq1);
		if (ret == 0)
		return ret;

drivers/mmc/host/mmci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1325,7 +1325,7 @@ static int __devinit mmci_probe(struct amba_device *dev,
		if (ret)
		goto unmap;

		if (dev->irq[1] == NO_IRQ)
		if (dev->irq[1] == NO_IRQ \|\| !dev->irq[1])
		host->singleirq = true;
		else {
		ret = request_irq(dev->irq[1], mmci_pio_irq, IRQF_SHARED,