To receive upstream traffic from a connected device, the Root Ports PCIe BAR_0 must be configured. If BAR_0 is not configured, the Root Port responds to requests with a Completion returned with Unsupported Request status.
To receive upstream traffic from a connected device, the Root Ports PCIe BAR_0 must be configured. If BAR_0 is not configured, the Root Port responds to requests with a Completion returned with Unsupported Request status.