Message ID | 20231118055455.249088-3-quic_prashk@quicinc.com |
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State | New |
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Series |
Add support for xhci-sg-trb-cache-size-quirk
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Commit Message
Prashanth K
Nov. 18, 2023, 5:54 a.m. UTC
Add a new 'xhci-sg-trb-cache-size-quirk' DT quirk to dwc3 core
for preventing xhci hang issue while using SG buffers.
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
---
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 ee5af4b..768fdb5 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: