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What is CONFIG_OF on Linux?

I see that it is widely used in many places, but cannot understand in which scenarios I need to use it.

  • What is CONFIG_OF?
  • What is the full name "OF"?
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Open firmware. It was invented a long time ago when Apple released laptops based on PowerPC processors. Openfirmware provides a good description of devices connected to the platform. In the Linux kernel, the part that works with device data is called Device Tree (DT). More details in the Use Model .

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Source: https://habr.com/ru/post/1211226/

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