On Fri, 2006-06-02 at 17:29 +0530, Aashima Raturi wrote: > Is it advisable to call ioremap/iounmap in ISR or bottom halves ? no those are sleeping operations and need process context -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/