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31 lines
1.4 KiB
31 lines
1.4 KiB
What: /sys/bus/mhi/devices/.../serialnumber |
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Date: Sept 2020 |
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KernelVersion: 5.10 |
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Contact: Bhaumik Bhatt <[email protected]> |
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Description: The file holds the serial number of the client device obtained |
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using a BHI (Boot Host Interface) register read after at least |
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one attempt to power up the device has been done. If read |
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without having the device power on at least once, the file will |
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read all 0's. |
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Users: Any userspace application or clients interested in device info. |
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What: /sys/bus/mhi/devices/.../oem_pk_hash |
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Date: Sept 2020 |
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KernelVersion: 5.10 |
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Contact: Bhaumik Bhatt <[email protected]> |
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Description: The file holds the OEM PK Hash value of the endpoint device |
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obtained using a BHI (Boot Host Interface) register read after |
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at least one attempt to power up the device has been done. If |
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read without having the device power on at least once, the file |
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will read all 0's. |
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Users: Any userspace application or clients interested in device info. |
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What: /sys/bus/mhi/devices/.../soc_reset |
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Date: April 2022 |
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KernelVersion: 5.19 |
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Contact: [email protected] |
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Description: Initiates a SoC reset on the MHI controller. A SoC reset is |
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a reset of last resort, and will require a complete re-init. |
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This can be useful as a method of recovery if the device is |
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non-responsive, or as a means of loading new firmware as a |
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system administration task.
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