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Platform: RK3399
OS: Android 7.1
Kernel: v4.4.83

记录下各个速率及控制器的枚举/断开Log，方便以后对比调试。

USB3.0 OTG设备

控制器： DWC3

USB3.0 Type-C 插上PC: 

[ 4488.489076] fusb302 4-0022: CC connected in0as UFP
[ 4488.658670] phy phy-ff770000.syscon:usb2-phy@e450.5: charger = USB_SDP_CHARGER
[ 4488.660671] rockchip-dwc3 usb@fe800000: USB peripheral connected
[ 4489.004260] android_work: sent uevent USB_STATE=CONNECTED
[ 4489.008072] android_work: sent uevent USB_STATE=DISCONNECTED
[ 4489.133419] configfs-gadget gadget: high-speed config #1: b
[ 4489.133654] android_work: sent uevent USB_STATE=CONNECTED
[ 4489.134544] android_work: sent uevent USB_STATE=CONFIGURED
[ 4491.386969] fusb302 4-0022: PD disabled

USB3.0 Type-C 断开: 

[ 4572.516623] fusb302 4-0022: connection has disconnected
[ 4572.517584] fusb302 4-0022: fusb302 send extcon to disable vbus 5v
[ 4572.610115] android_work: sent uevent USB_STATE=DISCONNECTED
[ 4572.612987] configfs-gadget gadget: unbind function 'FunctionFSGadget'/ffffffc0bea04238
[ 4572.615638] rockchip-dwc3

本文标签： 面对 设备 断开

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