diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index aa40a530729..78ee8d5b07c 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -1042,3 +1042,17 @@ const void *of_get_mac_address(struct device_node *np) } EXPORT_SYMBOL(of_get_mac_address); +int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) +{ + 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; +} +EXPORT_SYMBOL_GPL(of_irq_to_resource); |