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taehyun.cho authored
Enable Super speed plus in configfs to support USB3.1 Gen2. This ensures that when a USB gadget is plugged in, it is enumerated as Gen 2 and connected at 10 Gbps if the host and cable are capable of it. Many in-tree gadget functions (fs, midi, acm, ncm, mass_storage, etc.) already have SuperSpeed Plus support. Tested: plugged gadget into Linux host and saw: [284907.385986] usb 8-2: new SuperSpeedPlus Gen 2 USB device number 3 using xhci_hcd Tested-by: Lorenzo Colitti <lorenzo@google.com> Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: taehyun.cho <taehyun.cho@samsung.com> Signed-off-by: Lorenzo Colitti <lorenzo@google.com> Link: https://lore.kernel.org/r/20210106154625.2801030-1-lorenzo@google.com Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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