centos man page for init_timer_key

INIT_TIMER_KEY(9)						   Driver Basics						 INIT_TIMER_KEY(9)

NAME
       init_timer_key - initialize a timer

SYNOPSIS
       void init_timer_key(struct timer_list * timer, unsigned int flags, const char * name, struct lock_class_key * key);

ARGUMENTS
       timer
	   the timer to be initialized

       flags
	   timer flags

       name
	   name of the timer

       key
	   lockdep class key of the fake lock used for tracking timer sync lock dependencies

DESCRIPTION
       init_timer_key must be done to a timer prior calling *any* of the other timer functions.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							 INIT_TIMER_KEY(9)