What: /sys/bus/hsi Date: April 2012 KernelVersion: 3.4 Contact: Carlos Chinea Description: High Speed Synchronous Serial Interface (HSI) is a serial interface mainly used for connecting application engines (APE) with cellular modem engines (CMT) in cellular handsets. The bus will be populated with devices (hsi_clients) representing the protocols available in the system. Bus drivers implement those protocols. What: /sys/bus/hsi/devices/.../modalias Date: April 2012 KernelVersion: 3.4 Contact: Carlos Chinea Description: Stores the same MODALIAS value emitted by uevent Format: hsi: