On 19.1.2021 12.10, Howard Yen wrote: > To let the xhci driver support USB offload, add hooks for vendor to have > customized behavior for the initialization, memory allocation, irq work, and > device context synchronization. Detail is in each patch commit message. Is this related to the usb audio sideband capability that was added to the xHCI specification? If yes, then we should probably implement the generic parts first, and then add the vendor specific hooks. -Mathias