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De Francesco" , Terry Bowman , Robert Richter Subject: [PATCH v2 16/18] cxl/region: Show message on broken target list Date: Fri, 7 Feb 2025 16:37:51 +0100 Message-ID: <20250207153753.418849-17-rrichter@amd.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250207153753.418849-1-rrichter@amd.com> References: <20250207153753.418849-1-rrichter@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E8:EE_|SA1PR12MB7344:EE_ X-MS-Office365-Filtering-Correlation-Id: 5dfdbd3d-fd21-49fa-6f54-08dd478d93a4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?ywPGnOSQVlgYezMlc7ZjYOuydtIyOjvxWnFxLnULZ7/PzPgPTF0FHOUOAIDs?= =?us-ascii?Q?jPVF+XkNvwIXKnE4B4tACq+XO8vbSNVno2LDuPjD9va09N2C8Yb/qHTWTi4M?= =?us-ascii?Q?HZ1G0QWWx6woT6aCU/HJlCUklfbEcmqu/Cvf+lWusAf7gGfsKge0b1ub7V4s?= =?us-ascii?Q?Gw1f8kwjPHisBtOJGP8X/ktqVfTCHnEzkhFxiYTp+pBZweupXuP2k1BmmN9N?= =?us-ascii?Q?FyKZFXlz00OJx+0jhKZz1jo1OOTjkbAcQlVkj5oWuGkFM7lYCIcJicxHot9F?= =?us-ascii?Q?Mn0b5lOdGIBuUX5kXBrl/PK47ZZi9al9pOyku6oeI74gqNdeqgcqq2rQiPTW?= =?us-ascii?Q?9/+R+eHl2Lp5eyoEBlEBg1a/uIfDZohqtuJ4R46tdLsWPpcBgwyHFTUJ5T+Y?= =?us-ascii?Q?pgECuB/i+ZUk/Xj3nLZsuxuNUuoVDcrbDvR1cfwNEVg/6PcPfJePW1x39oxI?= =?us-ascii?Q?d8W/p63hCbtNrrh2lsEzfqKCiOV/sqBBk9H6JKP4pMuC3r/25VuCzzeek+u3?= =?us-ascii?Q?dpFjbSEod5MewsMFMAj45XG8s5DVxPm5kjzXiA/1OrMbIIjNwAHN/x26r908?= =?us-ascii?Q?x5O8YSD9lH3/W1U77N+wm35NxMT9yHhPXFgfyEYpEqEeH+nQaDCrmFlPrQMT?= =?us-ascii?Q?+Kk5BWQ4BfPw6ul+fiaXg/kzAvGXVZ8OJquK6XOoAsDnlCMgxgKY6Zl3dDnI?= =?us-ascii?Q?jjZIpa1SB3x3qjx4jcPYc4Cih6me/sckKjAUdUSc2WYphomo+ZnPRXTqBpzk?= =?us-ascii?Q?Zzv9poz51DwfkO5MdqDXW3SO92JCKdmysNhBIqdm4xO1zpMc1ZhjWJrUg7yh?= =?us-ascii?Q?/K1MUJPcnb9yXNZGMHTfEeYbCeRqXfYV8J6euUrICBrIa/Sy8xHv9xXn8rtZ?= =?us-ascii?Q?GtlELh4nTRtLod7AxenFeXdg+TkrrYr37gKYpk5Ol/eQWbZ0gLeUVV40UnE2?= =?us-ascii?Q?F6jKHbHibxXcHQII8W27oBvITT0k6Mgn64bg2Kti5o5dMTSxgOgGKD1ecg4f?= =?us-ascii?Q?eok3Y629CcD5V+14hgdkJGXze2MtTT0P61tjdmb5i33zutmlkFGvXSQ2ODNN?= =?us-ascii?Q?5jpmJ7ZNVV+3H66WeQTz9GMVNFOf+2sMBzsc54dPDLWSszN5NsdDzmpv7TsJ?= =?us-ascii?Q?HaQbLJZOWT+GFFOZucA36G1Y3ExEg98iMTiVfrB49FY8umLEsb8T4MLc3s8r?= =?us-ascii?Q?Q1QDjp49Pr+FG91AlAifvHDlONLZo4H0OXD7VOoj65QLTBZMSAmctWO9c4ba?= =?us-ascii?Q?iTi5ip9R/DjYheijlx/XsiBVtqFMSroWVlw9gjmcUtewZZQC938t+yGVz2Zh?= =?us-ascii?Q?sU8Gs6oF+8OHZhj6bCnMCZH3RMVo7PVP/AHjjJl7u69QdwJiPQ7dGu46QLNr?= =?us-ascii?Q?HVAzdUAvlM8XyGWJL5tmoNB1KzHIJiJkH8PbcmzSrj+87B65loaQe8jXoWO6?= =?us-ascii?Q?QP+pFNZihr+Ua5q8JOSmWY9LKFIEkEJTZ0giIkymWw6zIhi8XSB/O0dfKMh+?= =?us-ascii?Q?kPcDGKWiwur0DrM=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Feb 2025 15:39:14.7747 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5dfdbd3d-fd21-49fa-6f54-08dd478d93a4 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E8.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7344 Content-Type: text/plain; charset="utf-8" Broken target lists are hard to discover as the driver fails at a later initialization stage. Add an error message for this. Signed-off-by: Robert Richter Reviewed-by: Gregory Price --- drivers/cxl/core/region.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 606f5652114b..3b578ca167e5 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -1790,6 +1790,13 @@ static int find_pos_and_ways(struct cxl_port *port, = struct range *range, } put_device(dev); =20 + if (rc) + dev_err(port->uport_dev, + "failed to find %s:%s in target list of %s\n", + dev_name(&port->dev), + dev_name(port->parent_dport->dport_dev), + dev_name(&cxlsd->cxld.dev)); + return rc; } =20 --=20 2.39.5