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Outline:About device file About serial character device files Major and minor numbers of a device Internal representation of device number About fs.h file About alloc_chrdev_region() function Major and Minor macros About Unregister_chrdev_region()function Working of the above functions Compile the driver Display the output of major and minor number of my_device
About device file About serial character device files Major and minor numbers of a device Internal representation of device number About fs.h file About alloc_chrdev_region() function Major and Minor macros About Unregister_chrdev_region()function Working of the above functions Compile the driver Display the output of major and minor number of my_device
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