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Message-Id: <20201031113502.327234671@linuxfoundation.org> Date: Sat, 31 Oct 2020 12:36:31 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Frederic Barrat <fbarrat@...ux.ibm.com>, Andrew Donnellan <ajd@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au> Subject: [PATCH 5.8 59/70] cxl: Rework error message for incompatible slots From: Frederic Barrat <fbarrat@...ux.ibm.com> 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: stable@...r.kernel.org # 4.14+ Signed-off-by: Frederic Barrat <fbarrat@...ux.ibm.com> Reviewed-by: Andrew Donnellan <ajd@...ux.ibm.com> Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Link: https://lore.kernel.org/r/20200407115601.25453-1-fbarrat@linux.ibm.com Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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; }
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