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[PATCH] of_irq_to_resource now returns the virq

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Mostly this is to allow for error checking (check the return for NO_IRQ)
Added a check that the resource is non-NULL, too.

Signed-off-by: Andrew Fleming <afleming@freescale.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Andy Fleming 2006-11-07 16:57:22 -06:00 committed by Paul Mackerras
parent a9b14973a8
commit 66a91e9c0a
1 changed files with 11 additions and 3 deletions
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14
include/asm-powerpc/prom.h
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@ -332,10 +332,18 @@ extern int of_irq_map_one(struct device_node *device, int index,
struct pci_dev;
extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
static inline void of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
static inline int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
{
r->start = r->end = irq_of_parse_and_map(dev, index);
r->flags = IORESOURCE_IRQ;
int irq = irq_of_parse_and_map(dev, index);
/* Only dereference the resource if both the
* resource and the irq are valid. */
if (r && irq != NO_IRQ) {
r->start = r->end = irq;
r->flags = IORESOURCE_IRQ;
}
return irq;
}