[Bug 221740] New: ucsi_acpi PPM init failed (-ETIMEDOUT) on ThinkPad E14 Gen 7 (AMD) — blocks USB-C dock enumeration

[Bug 221740] New: ucsi_acpi PPM init failed (-ETIMEDOUT) on ThinkPad E14 Gen 7 (AMD) — blocks USB-C dock enumeration

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=221740

            Bug ID: 221740
           Summary: ucsi_acpi PPM init failed (-ETIMEDOUT) on ThinkPad E14
                    Gen 7 (AMD) — blocks USB-C dock enumeration
           Product: Drivers
           Version: 2.5
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: blocking
          Priority: P3
         Component: USB
          Assignee: drivers_usb@kernel-bugs.kernel.org
          Reporter: shofiqtest@gmail.com
        Regression: No

Description, include:

journalctl line: ucsi_acpi USBC000:00: error -ETIMEDOUT: PPM init failed
usb_power_delivery_revision: 0.0 (confirms PD negotiation never completes)
DMI: LENOVO 21T0CTO1WW, BIOS R2ZET34W (1.23), model ThinkPad E14 Gen 7
Kernels tested and both affected: 6.19.10-300.fc44 and 7.1.3-200.fc44
Note it works correctly on Windows with the same hardware/dock/cable
Attach the relevant dmesg enumeration failure log (the "device descriptor
read/64, error -71" sequence)

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