unsigned int irq;
irq = irq_create_mapping(NULL, line);
- if (irq != NO_IRQ) {
+ if (!irq) {
dev->interrupt[index].start = irq;
dev->interrupt[index].flags = IORESOURCE_IRQ;
dev->interrupt[index].name = dev_name(&dev->ofdev.dev);
break;
res = &dev->interrupt[j];
irq = irq_of_parse_and_map(np, i++);
- if (irq == NO_IRQ)
+ if (!irq)
break;
res->start = irq;
res->flags = IORESOURCE_IRQ;