Learning to register a driver using usb_register and implementing file operations is the best entry point.
What (e.g., 5.15, 6.1) are you targeting? Linux Device Drivers 4th Edition Pdf Github
However, the computing world has changed drastically since 2005. The 3rd edition, while legendary, covers Kernel 2.6. As of 2025, the Linux kernel has evolved through versions 5.x, 6.x, and beyond. This has led developers on a constant hunt for — a search query that has become something of a modern myth in open-source circles. Learning to register a driver using usb_register and
Do you have a physical development board (like a ), or are you using a virtual machine/simulator? The 3rd edition, while legendary, covers Kernel 2
What are you most interested in learning to write first (e.g., character device, I2C, network, or GPIO)? Share public link
However, the (LDD3) remains a foundational resource and is officially available for free under a Creative Commons license. You can find the PDF and related materials through several repositories and official sites: Where to Find Linux Device Driver Resources