Messages in this thread Patch in this message | | | From | Nadeem Athani <> | Subject | [PATCH v4 1/2] dt-bindings: pci: Retrain Link to work around Gen2 training defect. | Date | Fri, 11 Dec 2020 15:42:35 +0100 |
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Cadence controller will not initiate autonomous speed change if strapped as Gen2. The Retrain Link bit is set as quirk to enable this speed change. Adding a quirk flag based on a new compatible string.
Signed-off-by: Nadeem Athani <nadeem@cadence.com> --- Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml index 293b8ec318bc..204d78f9efe3 100644 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml @@ -15,7 +15,9 @@ allOf: properties: compatible: - const: cdns,cdns-pcie-host + enum: + - cdns,cdns-pcie-host + - cdns,cdns-pcie-host-quirk-retrain reg: maxItems: 2 -- 2.15.0
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