Hello! Only some grammar nits, could prolly be fixed when applying... On 09/18/2017 05:39 PM, Mathias Nyman wrote:
A SuperSpeedPlus roothub needs to have the Link Protocol (LP) bit set in the bmSublinkSpeedAttr[] entry of a SuperSpeedPlus descriptor. If the xhci controller has an optional Protocol Speed ID (PSI) table then that will be used as a base to create the roothub SuperSpeedPlus descriptor. The PSI table does not however necessary contain the LP bit so we need
Necessarily.
to set it manually. Check the psi speed and set LP bit if speed is 10Gbps or higher. We're not setting it for 5 to 10Gbps as USB 3.1 specification always mention SuperSpeedPlus for 10Gbps or higher, and some SSIC USB 3.0 speeds
Mentions.
can be over 5Gbps, such as SSIC-G3B-L1 at 5830 Mbps Cc: <stable@xxxxxxxxxxxxxxx> # 4.6+ Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
[...] MNR, Sergei