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RE: Device driver Major number

> However I want the system to dynamically allocate the 
major number

This can be done by passing 0 as the major number to register_chrdev,
It would return the major number assigned.

From 2.4 onwards the device filesystem or devfs was introduced

If you want to forget using mknod then use devfs_register_chrdev or
devfs_register_blkdev read 
http://www.linux-mag.com/2000-05/gear_01.html

Regards,
Gopu Bhaskar


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