On Wed, 27 Jan 2016, Cao jin wrote: > How about using IRQ_BITMAP_BITS as that "irq_valid" flag? because it is the > ceiling of struct irq_desc irq_desc[], and request_irq() will return -EINVAL > in case of the ceiling. > > #ifdef CONFIG_SPARSE_IRQ > # define IRQ_BITMAP_BITS (NR_IRQS + 8196) > #else > # define IRQ_BITMAP_BITS NR_IRQS > #endif No. This is a core internal implementation detail. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
