Character Device Driver Registration and I/O Memory Mapping in Linux
Early Registration Method
The register_chrdev family of functions, combined with APIs for creating device classes and device files, was commonly used in the 2.4 kernel series. Its main advantage is simplicity, but it does not allow specifying a minor device number.
int register_chrdev(unsigned int major, const char *name,
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Posted on Fri, 23 Oct 2026 16:26:10 +0000 by bubbasheeko