diff options
Diffstat (limited to 'drivers/of/irq.c')
| -rw-r--r-- | drivers/of/irq.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 791270b8bd1..0f0cfa3bca3 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -26,11 +26,6 @@ #include <linux/string.h> #include <linux/slab.h> -/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */ -#ifndef NO_IRQ -#define NO_IRQ 0 -#endif - /** * irq_of_parse_and_map - Parse and map an interrupt into linux virq space * @device: Device node of the device whose interrupt is to be mapped @@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index) struct of_irq oirq; if (of_irq_map_one(dev, index, &oirq)) - return NO_IRQ; + return 0; return irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size); @@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) /* Only dereference the resource if both the * resource and the irq are valid. */ - if (r && irq != NO_IRQ) { + if (r && irq) { r->start = r->end = irq; r->flags = IORESOURCE_IRQ; r->name = dev->full_name; @@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev) { int nr = 0; - while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ) + while (of_irq_to_resource(dev, nr, NULL)) nr++; return nr; @@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int i; for (i = 0; i < nr_irqs; i++, res++) - if (of_irq_to_resource(dev, i, res) == NO_IRQ) + if (!of_irq_to_resource(dev, i, res)) break; return i; @@ -424,6 +419,8 @@ void __init of_irq_init(const struct of_device_id *matches) desc->dev = np; desc->interrupt_parent = of_irq_find_parent(np); + if (desc->interrupt_parent == np) + desc->interrupt_parent = NULL; list_add_tail(&desc->list, &intc_desc_list); } |