[PATCH 06/31] ARM: amba: make irq 0 invalid
Russell King - ARM Linux
linux at arm.linux.org.uk
Fri Jan 20 20:24:25 EST 2012
Fix core bus and MMCI such that irq 0 means that there is no IRQ
attached.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/amba/bus.c | 4 ++--
drivers/mmc/host/mmci.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 82b65e1..d15acbb 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -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;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0d955ff..304f2f9 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -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,
--
1.7.4.4
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