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authorFrederic Barrat <fbarrat@linux.ibm.com>2020-04-07 14:56:01 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-08-24 18:31:32 +0300
commit40ac790d99c6dd16b367d5c2339e446a5f1b0593 (patch)
tree9498a00b04508ef48a1e51568acb3a8c23f856c4 /drivers/misc/cxl
parent374f6178f3483dcad151fc14b2fad92ed6652f07 (diff)
downloadlinux-40ac790d99c6dd16b367d5c2339e446a5f1b0593.tar.xz
cxl: Rework error message for incompatible slots
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: stable@vger.kernel.org # 4.14+ Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com> Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200407115601.25453-1-fbarrat@linux.ibm.com
Diffstat (limited to 'drivers/misc/cxl')
-rw-r--r--drivers/misc/cxl/pci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 25a9dd9c0c1b..2ba899f5659f 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -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;
}