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Linux Device Driver Development

You're reading from   Linux Device Driver Development Everything you need to start with device driver development for Linux kernel and embedded Linux

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Product type Paperback
Published in Apr 2022
Publisher Packt
ISBN-13 9781803240060
Length 708 pages
Edition 2nd Edition
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Concepts
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Author (1):
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John Madieu John Madieu
Author Profile Icon John Madieu
John Madieu
John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activities consist of developing device drivers and Board Support Packages (BSPs) for companies in domains such as IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant at LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.
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Table of Contents (23) Chapters Close

Preface 1. Section 1 -Linux Kernel Development Basics
2. Chapter 1: Introduction to Kernel Development FREE CHAPTER 3. Chapter 2: Understanding Linux Kernel Module Basic Concepts 4. Chapter 3: Dealing with Kernel Core Helpers 5. Chapter 4: Writing Character Device Drivers 6. Section 2 - Linux Kernel Platform Abstraction and Device Drivers
7. Chapter 5: Understanding and Leveraging the Device Tree 8. Chapter 6: Introduction to Devices, Drivers, and Platform Abstraction 9. Chapter 7: Understanding the Concept of Platform Devices and Drivers 10. Chapter 8: Writing I2C Device Drivers 11. Chapter 9: Writing SPI Device Drivers 12. Section 3 - Making the Most out of Your Hardware
13. Chapter 10: Understanding the Linux Kernel Memory Allocation 14. Chapter 11: Implementing Direct Memory Access (DMA) Support 15. Chapter 12: Abstracting Memory Access – Introduction to the Regmap API: a Register Map Abstraction 16. Chapter 13: Demystifying the Kernel IRQ Framework 17. Chapter 14: Introduction to the Linux Device Model 18. Section 4 - Misc Kernel Subsystems for the Embedded World
19. Chapter 15: Digging into the IIO Framework 20. Chapter 16: Getting the Most Out of the Pin Controller and GPIO Subsystems 21. Chapter 17: Leveraging the Linux Kernel Input Subsystem 22. Other Books You May Enjoy

Summary

This chapter is one of the most important chapters. It demystifies memory management and allocation (how and where) in the Linux kernel. It teaches in detail how mapping and address translation work. Some other aspects, such as talking with hardware devices and remapping memory for user space (on behalf of the mmap() system call), were discussed in detail.

This provides a strong base to introduce and understand the next chapter, which deals with Direct Memory Access (DMA).

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Authors (1)

Profile icon John Madieu
John Madieu
John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activities consist of developing device drivers and Board Support Packages (BSPs) for companies in domains such as IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant at LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.
Read more
See other products by John Madieu

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