centos man page for irq_reserve_irqs

IRQ_RESERVE_IRQS(9)					    Internal Functions Provided 				       IRQ_RESERVE_IRQS(9)

NAME
       irq_reserve_irqs - mark irqs allocated

SYNOPSIS
       int irq_reserve_irqs(unsigned int from, unsigned int cnt);

ARGUMENTS
       from
	   mark from irq number

       cnt
	   number of irqs to mark

DESCRIPTION
       Returns 0 on success or an appropriate error code

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

       Ingo Molnar <mingo@elte.hu>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       IRQ_RESERVE_IRQS(9)