debian:/home/hackphil/Drivers_ipw2200/ipw2200-1.2.0# locate hw_irq.h
/usr/include/asm-x86_64/hw_irq.h
/usr/include/asm-i486/hw_irq.h
/usr/include/asm/hw_irq.h
debian:/home/hackphil/Drivers_ipw2200/ipw2200-1.2.0#