On Thu, Sep 18, 2008 at 18:05, Fundu wrote: >> you really should just read a book on the topic. LDD3 >> covers these >> intricacies (and a lot more), as does Essential Linux >> Device Drivers. > > i'm actually reading essential linux device drivers. And to get some clarification i made the post. that book explicitly covers your question. read chapter 2 where it covers these irq functions. -mike -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html