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@xxxxxxxxxx>
---
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
