Hi, I want to write a driver that will handle multiple devices. These devices will share the IRQ line. Do I need to register my (same) interrupt handler as many times as the number of devices(by calling request_irq())? Also an unrelated query. Can I sleep after a call to preempt_kernel()?? TIA, Rick - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs