ARM驱动笔记

*发表于 2022-7-31 12:55:53* · 发表于 2022-7-31 12:55:53

linux系统上电后，会遍历PCI，选用的数据结构是深度优先，就是说一但遇到PCI的桥，会找完这个桥的下的总线再说，才再找同一级别的桥

(After the linux system is powered on, it will traverse the PCI, and the selected data structure is depth-first, that is, once it encounters a PCI bridge, it will search for the bus under the bridge, and then find another bridge of the same level.)

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[邮电通讯系统] ARM驱动笔记

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