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cxl: Rework error message for incompatible slots

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

Fixes: 5632874311 ("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
This commit is contained in:
Frederic Barrat 2020-04-07 13:56:01 +02:00 committed by Michael Ellerman
parent 374f6178f3
commit 40ac790d99
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/cxl/pci.c
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@ -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;
}