linux卡服务核心与主机控制器设备驱动程序、卡设备驱动程序及用户模式cardmgr后台进程交互。

The Linux card services core interacts with the host controller device driver, the card device drivers, and the user mode cardmgr daemon.

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主机控制器设备驱动程序读取的设备描述符包含关于设备的信息，例如 class、 subclass 和 protocol。

The device descriptor read by the host controller driver contains information about the device, such as class, subclass, and protocol.

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由于具有PCMCIA，单个usb设备的Linux设备驱动程序不依赖于主机控制器。

As with PCMCIA, the Linux device drivers for the individual USB devices do not depend on the host controller.

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