commit 023f117c547719fbc087ad72276aec5a026370df
author Russell King <rmk+kernel@arm.linux.org.uk> Sun Dec 18 11:31:51 2011 +0000
committer Russell King <rmk+kernel@arm.linux.org.uk> Wed Jan 25 11:02:02 2012 +0000
tree 068c4cec712bbf881153505aaf7c194859cfc79d
parent 039e7ad89211a63d98341e4add4fc6720f383c2a

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>

drivers/mmc/host/mmci.c

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 @@
 	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,