Re: [PATCH v2] dt-bindings: ufs: Add msi-parent for UFS MCQ

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On 11/23/2023 1:53 AM, Bart Van Assche wrote:
On 11/21/23 21:06, Ziqi Chen wrote:
diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
index 985ea8f..31fe7f3 100644
--- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml
+++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
@@ -87,6 +87,8 @@ properties:
      description:
        Specifies max. load that can be drawn from VCCQ2 supply.
+  msi-parent: true
+
  dependencies:
    freq-table-hz: [ clocks ]
    operating-points-v2: [ clocks, clock-names ]

Does this patch break support for UFSHCI 4.0 controllers that do not support MSI?

No, the controllers that do not support MSI would NOT be impacted by this patch.

-Ziqi


Thanks,

Bart.




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