Name
disable_irq_nosync — 
     disable an irq without waiting
 
Synopsis
| void disable_irq_nosync ( | unsigned int irq ); | 
 
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.