disable_irq man page on OpenSuSE

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DISABLE_IRQ(9)		      Hardware Interfaces		DISABLE_IRQ(9)

NAME
       disable_irq - disable an irq and wait for completion

SYNOPSIS
       void disable_irq(unsigned int irq);

ARGUMENTS
       irq
	   Interrupt to disable

DESCRIPTION
       Disable the selected interrupt line. Enables and Disables are nested.
       This function waits for any pending IRQ handlers for this interrupt to
       complete before returning. If you use this function while holding a
       resource the IRQ handler may need you will deadlock.

       This function may be called - with care - from IRQ context.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013			DISABLE_IRQ(9)
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