From: Frederic Barrat <[email protected]>
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: 5632874311db ("cxl: Add support for POWER9 DD2")
Cc: [email protected] # 4.14+
Signed-off-by: Frederic Barrat <[email protected]>
Reviewed-by: Andrew Donnellan <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/misc/cxl/pci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -393,8 +393,8 @@ int cxl_calc_capp_routing(struct pci_dev
*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;
}
