On Fri, Nov 3, 2017 at 8:17 PM, Sudeep Holla [off-list ref] wrote:

.....

+int scmi_do_xfer(const struct scmi_handle *handle, struct scmi_xfer *xfer)
+{
+       int ret;
+       int timeout;
+       struct scmi_info *info = handle_to_scmi_info(handle);
+       struct device *dev = info->dev;
+
+       ret = mbox_send_message(info->tx_chan, xfer);
                                                                          ^^^^^^^^

The call still remains unchanged and broken.
https://lkml.org/lkml/2017/7/24/502