Messages in this thread Patch in this message | | | Date | Fri, 24 Feb 2023 13:57:46 -0600 | Subject | [PATCH v1 1/2] dt-bindings: PCI: dwc: Add snps,skip-wait-link-up | From | Sajid Dalvi <> |
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When the Root Complex is probed, the default behavior is to spin in a loop waiting for the link to come up. In some systems the link is not brought up during probe, but later in the context of an end-point turning on. This property will allow the loop to be skipped.
Signed-off-by: Sajid Dalvi <sdalvi@google.com> --- Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml index 1a83f0f65f19..0b8950a73b7e 100644 --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml @@ -197,6 +197,14 @@ properties: - contains: const: msi + snps,skip-wait-link-up: + $ref: /schemas/types.yaml#/definitions/flag + description: + When the Root Complex is probed, the default behavior is to spin in a + loop waiting for the link to come up. In some systems the link is not + brought up during probe, but later in the context of an end-point turning + on. This property will allow the loop to be skipped. + additionalProperties: true required: -- 2.39.2.637.g21b0678d19-goog
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