Convert CONFIG_SYS_INTERLAKEN et al to Kconfig

[platform/kernel/u-boot.git] / include / scmi_agent.h

diff --git a/include/scmi_agent.h b/include/scmi_agent.h
index f1be9ff..ee62863 100644 (file)
--- a/include/scmi_agent.h
+++ b/include/scmi_agent.h
@@ -13,6 +13,7 @@
 #include <asm/types.h>
 
 struct udevice;
+struct scmi_channel;
 
 /*
  * struct scmi_msg - Context of a SCMI message sent and the response received
@@ -45,23 +46,34 @@ struct scmi_msg {
        }
 
 /**
- * scmi_send_and_process_msg() - send and process a SCMI message
+ * devm_scmi_of_get_channel() - Get SCMI channel handle from SCMI agent DT node
  *
- * Send a message to a SCMI server through a target SCMI agent device.
+ * @dev:       Device requesting a channel
+ * @channel:   Output reference to the SCMI channel upon success
+ * @return 0 on success and a negative errno on failure
+ */
+int devm_scmi_of_get_channel(struct udevice *dev, struct scmi_channel **channel);
+
+/**
+ * devm_scmi_process_msg() - Send and process an SCMI message
+ *
+ * Send a message to an SCMI server through a target SCMI agent device.
  * Caller sets scmi_msg::out_msg_sz to the output message buffer size.
  * On return, scmi_msg::out_msg_sz stores the response payload size.
  *
- * @dev:       SCMI agent device
+ * @dev:       SCMI device
+ * @channel:   Communication channel for the device
  * @msg:       Message structure reference
- * @return 0 on success and a negative errno on failure
+ * Return: 0 on success and a negative errno on failure
  */
-int devm_scmi_process_msg(struct udevice *dev, struct scmi_msg *msg);
+int devm_scmi_process_msg(struct udevice *dev, struct scmi_channel *channel,
+                         struct scmi_msg *msg);
 
 /**
  * scmi_to_linux_errno() - Convert an SCMI error code into a Linux errno code
  *
  * @scmi_errno:        SCMI error code value
- * @return 0 for successful status and a negative errno otherwise
+ * Return: 0 for successful status and a negative errno otherwise
  */
 int scmi_to_linux_errno(s32 scmi_errno);