Linux 设备模型

• Linux Device Model — The Linux Kernel documentation
• Linux Device Model — Linux Kernel Labs
• 统一设备模型 - 蜗窝科技
• 【Linux 内核|驱动模型】bus/class/device/driver - 知乎

device

driver

class

bus

subsystem

subsys_system_register()
  subsys_register(subsys, groups, &system_kset->kobj)
    bus_register(subsys)
    struct device *dev = kzalloc(sizeof(struct device), GFP_KERNEL);