centos man page for request_any_context_irq

REQUEST_ANY_CONTEXT_(9) 				     Public Functions Provided					   REQUEST_ANY_CONTEXT_(9)

NAME
       request_any_context_irq - allocate an interrupt line

SYNOPSIS
       int request_any_context_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char * name, void * dev_id);

ARGUMENTS
       irq
	   Interrupt line to allocate

       handler
	   Function to be called when the IRQ occurs. Threaded handler for threaded interrupts.

       flags
	   Interrupt type flags

       name
	   An ascii name for the claiming device

       dev_id
	   A cookie passed back to the handler function

DESCRIPTION
       This call allocates interrupt resources and enables the interrupt line and IRQ handling. It selects either a hardirq or threaded handling
       method depending on the context.

       On failure, it returns a negative value. On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.

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

       Ingo Molnar <mingo@elte.hu>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   REQUEST_ANY_CONTEXT_(9)