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Sun, 19 Nov 2023 21:58:45 -0800 (PST) Add a new 'xhci-sg-trb-cache-size-quirk' DT quirk to dwc3 core for preventing xhci hang issue while using SG buffers. Cc: # 5.11 Fixes: bac1ec551434 ("usb: xhci: Set quirk for XHCI_SG_TRB_CACHE_SIZE_QUIRK") Signed-off-by: Prashanth K --- 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 ee5af4b381b1..768fdb5b1f05 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -459,6 +459,13 @@ properties: description: Enable USB remote wakeup. + xhci-sg-trb-cache-size-quirk: + description: + When set, fixes the SNPS xHC hang issue when the data is scattered across + small buffers which does not make at least MPS size for given controller + TRB cache size. + type: boolean + unevaluatedProperties: false required: -- 2.25.1