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Message-ID: <20250207153753.418849-17-rrichter@amd.com>
Date: Fri, 7 Feb 2025 16:37:51 +0100
From: Robert Richter <rrichter@....com>
To: Alison Schofield <alison.schofield@...el.com>, Vishal Verma
<vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>, Dan Williams
<dan.j.williams@...el.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Dave Jiang <dave.jiang@...el.com>, Davidlohr Bueso <dave@...olabs.net>
CC: <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Gregory Price
<gourry@...rry.net>, "Fabio M. De Francesco"
<fabio.m.de.francesco@...ux.intel.com>, Terry Bowman <terry.bowman@....com>,
Robert Richter <rrichter@....com>
Subject: [PATCH v2 16/18] cxl/region: Show message on broken target list
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@....com>
Reviewed-by: Gregory Price <gourry@...rry.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
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