suse man page for disable_irq_nosync

DISABLE_IRQ_NOSYNC(9)						Hardware Interfaces					     DISABLE_IRQ_NOSYNC(9)

NAME
       disable_irq_nosync - disable an irq without waiting

SYNOPSIS
       void disable_irq_nosync(unsigned int irq);

ARGUMENTS
       irq
	   Interrupt to disable

DESCRIPTION
       Disable the selected interrupt line. Disables and Enables are nested. Unlike disable_irq, this function does not ensure existing instances
       of the IRQ handler have completed before returning.

       This function may be called from IRQ context.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						     DISABLE_IRQ_NOSYNC(9)