centos man page for irq_get_next_irq

IRQ_GET_NEXT_IRQ(9)					    Internal Functions Provided 				       IRQ_GET_NEXT_IRQ(9)

NAME
       irq_get_next_irq - get next allocated irq number

SYNOPSIS
       unsigned int irq_get_next_irq(unsigned int offset);

ARGUMENTS
       offset
	   where to start the search

DESCRIPTION
       Returns next irq number after offset or nr_irqs if none is found.

AUTHORS
       Thomas Gleixner <tglx@linutronix.de>
	   Author.

       Ingo Molnar <mingo@elte.hu>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       IRQ_GET_NEXT_IRQ(9)