diff mbox series

[RFC,v2,17/28] cxl: Disable switch hierarchies for now

Message ID 20211022183709.1199701-18-ben.widawsky@intel.com
State New, archived
Headers show
Series CXL Region Creation / HDM decoder programming | expand

Commit Message

Ben Widawsky Oct. 22, 2021, 6:36 p.m. UTC 
Switches aren't supported by the region driver yet. If a device finds
itself under a switch it will not bind a driver so that it cannot be
used later for region creation/configuration.

Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
---
 drivers/cxl/mem.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 97092b9b748d..0b0272576e55 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -121,6 +121,11 @@  static int cxl_mem_probe(struct device *dev)
 		goto out;
 	}
 
+	/* FIXME: Add true switch support */
+	dev_err(dev, "Devices behind switches are currently unsupported\n");
+	rc = -ENODEV;
+	goto err_out;
+
 	/* Walk down from the root port and add all switches */
 	cxl_scan_ports(ctx.root_port);