SW1-31 ECS1737-3 | GE | Provide standard interfaces for upper layers

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SW1-31 ECS1737-3 | GE | Provide standard interfaces for upper layers

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The upgrade of SW1-31 ECS1737-3 kernel has a relatively small impact on developers of Linux applications, as system calls remain largely compatible. And what has a significant impact is driving developers. Every kernel update can cause many changes in the usage of kernel functions. Among them are functions provided by the kernel itself, as well as functions provided by hardware platform code, the latter of which changes more frequently. This makes beginners of kernel drivers confused, because when they write drivers based on classic works such as SW1-31 ECS1737-3’s Linux Device Driver Program, they find that they cannot successfully compile or execute on your Linux platform. Your friend will tell you that the kernel you are using does not match the one in the book. What should we do then?

I want to explain this issue from two aspects: one is how to write good Linux device drivers, and the other is how to deal with constantly upgrading kernels.
How to Write Linux Device Drivers Well
The SW1-31 ECS1737-3 device driver is a part of the Linux kernel that is used to encapsulate hardware details and provide a standard interface for the upper layer.

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