On 03/06/2024 15:00, joswang wrote: > From: joswang <joswang@xxxxxxxxxx> Is this your full name or known identity you want to use for all kernel contributions? Looks like login... > > There is an issue with the DWC31 2.00a and earlier versions > where the controller link power state transition from > P3/P3CPM/P4 to P2 may take longer than expected, ultimately > resulting in the hibernation D3 entering time exceeding the > expected 10ms. > > Add a new 'snps,p2p3tranok-quirk' DT quirk to dwc3 core > for enable the controller transitions directly from phy > power state P2 to P3 or from state P3 to P2. > > Note that this can only be set if the USB3 PHY supports > direct p3 to p2 or p2 to p3 conversion. > > Signed-off-by: joswang <joswang@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > index 1cd0ca90127d..721927495887 100644 > --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > @@ -242,6 +242,13 @@ properties: > When set, all HighSpeed bus instances in park mode are disabled. > type: boolean > > + snps,p2p3tranok-quirk: Why this cannot be deduced from compatible? Which upstream SoCs are affected? Best regards, Krzysztof