Merge branch '2022-03-02-scmi-updates' into next

- A small set of scmi updates

1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/firmware/scmi/scmi_agent-uclass.c b/drivers/firmware/scmi/scmi_agent-uclass.c
index 4f5870b4838..3819f2fa993 100644
--- a/drivers/firmware/scmi/scmi_agent-uclass.c
+++ b/drivers/firmware/scmi/scmi_agent-uclass.c
@@ -116,10 +116,23 @@ static const struct scmi_agent_ops *transport_dev_ops(struct udevice *dev)
 
 int devm_scmi_process_msg(struct udevice *dev, struct scmi_msg *msg)
 {
-	const struct scmi_agent_ops *ops = transport_dev_ops(dev);
+	const struct scmi_agent_ops *ops;
+	struct udevice *parent = dev;
+
+	/* Find related SCMI agent device */
+	do {
+		parent = dev_get_parent(parent);
+	} while (parent && device_get_uclass_id(parent) != UCLASS_SCMI_AGENT);
+
+	if (!parent) {
+		dev_err(dev, "Invalid SCMI device, agent not found\n");
+		return -ENODEV;
+	}
+
+	ops = transport_dev_ops(parent);
 
 	if (ops->process_msg)
-		return ops->process_msg(dev, msg);
+		return ops->process_msg(parent, msg);
 
 	return -EPROTONOSUPPORT;
 }