What: /sys/bus/mhi/devices/.../serialnumber Date: Sept 2020 KernelVersion: 5.10 Contact: Bhaumik Bhatt Description: The file holds the serial number of the client device obtained using a BHI (Boot Host Interface) register read after at least one attempt to power up the device has been done. If read without having the device power on at least once, the file will read all 0's. Users: Any userspace application or clients interested in device info. What: /sys/bus/mhi/devices/.../oem_pk_hash Date: Sept 2020 KernelVersion: 5.10 Contact: Bhaumik Bhatt Description: The file holds the OEM PK Hash value of the endpoint device obtained using a BHI (Boot Host Interface) register read after at least one attempt to power up the device has been done. If read without having the device power on at least once, the file will read all 0's. Users: Any userspace application or clients interested in device info.