[PATCH 06/31] ARM: amba: make irq 0 invalid
From: Russell King - ARM Linux <hidden>
Date: 2012-01-20 09:24:25
Also in:
linux-arm-kernel, linux-mmc, linux-omap, linux-samsung-soc
Subsystem:
arm primecell bus support, arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
Fix core bus and MMCI such that irq 0 means that there is no IRQ attached. Signed-off-by: Russell King <redacted> --- 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,
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1.7.4.4