Device Drivers

Tracing the Root of Linux Kernel Problems with Error Messages

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Reading Time: 3 minutes Introduction When setting up Linux on a new board, you are bound to encounter issues. These issues can range from preventing the kernel from booting to emitting warnings or causing drivers to fail registration or probing. Regardless of the specific issue, the result is a system that does not function as intended. Debugging is the […]

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Kernel Drivers vs. Userspace Drivers: A Guide for Embedded Linux Developers

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Reading Time: 4 minutes Introduction In Embedded Linux projects, developers dedicate a substantial amount of time to managing external hardware interfaces. A common dilemma they face is deciding between developing a custom kernel driver (kernel module) or a userspace driver/application for a specific device. This decision can be intricate, as the optimal approach hinges on multiple factors. Making the

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