Commit a8069b80 authored by Frederic Barrat's avatar Frederic Barrat Committed by Greg Kroah-Hartman
Browse files

cxl: Rework error message for incompatible slots

commit 40ac790d99c6dd16b367d5c2339e446a5f1b0593 upstream.

Improve the error message shown if a capi adapter is plugged on a
capi-incompatible slot directly under the PHB (no intermediate switch).

Fixes: 56328743

 ("cxl: Add support for POWER9 DD2")
Cc: stable@vger.kernel.org # 4.14+
Signed-off-by: default avatarFrederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: default avatarAndrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200407115601.25453-1-fbarrat@linux.ibm.com

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9f9dc704
......@@ -393,8 +393,8 @@ int cxl_calc_capp_routing(struct pci_dev *dev, u64 *chipid,
*capp_unit_id = get_capp_unit_id(np, *phb_index);
of_node_put(np);
if (!*capp_unit_id) {
pr_err("cxl: invalid capp unit id (phb_index: %d)\n",
*phb_index);
pr_err("cxl: No capp unit found for PHB[%lld,%d]. Make sure the adapter is on a capi-compatible slot\n",
*chipid, *phb_index);
return -ENODEV;
}
......
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