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 -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/