* 01-Oct-2004 BJD Added getirq() to turn pin into irqno
* 04-Oct-2004 BJD Added irq filter controls for GPIO
* 05-Nov-2004 BJD EXPORT_SYMBOL() added for all code
* 01-Oct-2004 BJD Added getirq() to turn pin into irqno
* 04-Oct-2004 BJD Added irq filter controls for GPIO
* 05-Nov-2004 BJD EXPORT_SYMBOL() added for all code