You could have a timer to do that. Have a look at the serial driver in drivers/char/serial.c for example Manoj -----Original Message----- From: Maciej Kwapulinski [mailto:pikpok@univ.gda.pl] Sent: Monday, November 19, 2001 10:01 AM To: unlisted-recipients Cc: kernelnewbies@nl.linux.org Subject: trying to write driver in polling mode I imagine that card will be polled more frequently than 10 ms, but I don't how to tell kernel to invoke my method at time interval, let's say 1ms. Can You help me? greetings Maciej -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/