On Wed, Feb 18, 2004 at 07:57:25PM +0100, Frank A. Uepping wrote: > Hi, > a miscdevice enables for easy creation of a char-device. > Further, a miscdevice is attached to the class misc; that is, we get a dev > attribute exported to the sysfs (/sys/class/misc/.../dev), making udev create > a device node for us. > Is the miscdevice dedicated to some special purposes (e.g. system devices...)? > May driver programmer freely use miscdevices for their purposes? See Documentation/devices.txt and pay attention to the major number 10 for a list of all misc devices. You can also use misc_register() to create a minor number of your own for a device that does not have a major/minor number assigned to it officially. Hope this helps, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/