[PATCH v2 16/18] cxl/region: Show message on broken target list

[Robert Richter <rrichter@amd.com>]

Broken target lists are hard to discover as the driver fails at a
later initialization stage. Add an error message for this.

Signed-off-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Gregory Price <gourry@gourry.net>
---
 drivers/cxl/core/region.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 606f5652114b..3b578ca167e5 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1790,6 +1790,13 @@ static int find_pos_and_ways(struct cxl_port *port, struct range *range,
 	}
 	put_device(dev);
 
+	if (rc)
+		dev_err(port->uport_dev,
+			"failed to find %s:%s in target list of %s\n",
+			dev_name(&port->dev),
+			dev_name(port->parent_dport->dport_dev),
+			dev_name(&cxlsd->cxld.dev));
+
 	return rc;
 }
 
-- 
2.39.5