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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?PaaR+qDaYrM1k4vegmR07NxTooqvKKP8BDFAaiSc1ZunzsvT5mXfPDGqvS/Q?= =?us-ascii?Q?WkpllkNb5E0WW25e/G34BY47dJ+XFYRNa0WMl5Zv+arazybyhpXatEU5Pl4G?= =?us-ascii?Q?wqNdWF+SwiC6U8s2Mog2eUVzTuIP/HDWh0Ir24eKc9mXr6meUq0vEm3eeNNt?= =?us-ascii?Q?d5URSjhfc+8swUEBJm6eifZUS7pIb3h3Lx16FTuuB7tvxaMPmKxX0ApgW9rl?= =?us-ascii?Q?UQOwdb9AxBmZyapEmI7MyatUGkNjIAi93aGL/0hAICsCselo0507kUGDXUmP?= =?us-ascii?Q?tJ/UO+zL47hTiAtPLdFsQZZ6kkwPKOxn2EO5B30Xxy3WM1+BH7CS2IDMHQdV?= =?us-ascii?Q?BjXI8jsGHn/yPWAajdgJCoHer47/qRtePvp1n1X14VqgCBnXfSGNLPC5tknK?= =?us-ascii?Q?HxB/vYa0+TloonaZi1SA8WKufbluw7nIC5FSgqdohejTs4EN7qJ8/WfLj5g6?= =?us-ascii?Q?RRlYXKPAmbAXTcV3MtGBibze0FG3Ca7eLbfyigMkwCyl8dZri2cfBWOWybO9?= =?us-ascii?Q?rx19z5gTYldbtq+gCIx2ThXCTNJAlYTsEQFcX5ZUgDw9Xv1HIYqZBwbUCC08?= =?us-ascii?Q?DkEwvLlryjJTV5I1OBxf0tP7elkTO2bSsiHShJdH4Hf7/8z8BnY72Msf12E+?= =?us-ascii?Q?THQPdUBqNtHWMnKBQOtOIm8PJzU273pRV6m3BId+pAB+QY277fCq+dZ/ciH5?= =?us-ascii?Q?cfCZCNBWY1ao/VQOHX+/iv7rIYV8MHB0vOQz+ZVCoPbipG1LtFyLdIWq5QPH?= =?us-ascii?Q?vo/7BazNlRwm7qnvDwdYfYkJkB5hyv5sfeBzyjmb0jc+b54/NxvoCgqq8DBc?= =?us-ascii?Q?9jtyz5V3eMKkbtHobu26+FouCo94BrUWFaezBkgffyNlN4/bmHQ1CNYZrNRZ?= =?us-ascii?Q?fLh2n5VE3F8S8ilSMffFQgxro99J1MDbF92Vl4GGmT7eRuchD4Zhcs2HUQMj?= =?us-ascii?Q?7WGtrIuZnuvN5fiLvMlpoOP+1yOeqRp/ghaPlRQJzbkfYuAoVV2yi0PU1K4J?= =?us-ascii?Q?9xCg1niY3c9QKTXxZrxApnkBGVa04nxacEeqU+tpgHUeIhknrxfSss1FzV0z?= =?us-ascii?Q?3aBr3g0JeAJgiUaCCqsri/hi7//d9jFeMoJnEQpGJKrHYcPWqGP0SaA21Ya9?= =?us-ascii?Q?yC3QMlUWJQMAVBm5mMy7vm3YWaVivqKjxb3eVs9iVeDS1hQmZoGvMawcgucU?= =?us-ascii?Q?nuNgnwfnOZNz3B+6O3AVI/UwSea2lu421ElEerrG90YWPG/bwBhBApkHUWYD?= =?us-ascii?Q?JjW4wAr015OTKoJt5Pjwls22PooRS8ntTx6EhpHhgoyxFOhmBHBT8ngWMdKV?= =?us-ascii?Q?h23FIedW2cdPO6zAJSYVv0dB0GqhiWIBUE1UHAc0vJweAMw1FQjnoQ4bChIU?= =?us-ascii?Q?uTNuTkC2Ejm/NCBmukmyfmxQwdcfqtbbZzXluX+vjyDL7muVqAxkYfHi3m/0?= =?us-ascii?Q?KE6iwxaZwxw1jEYZdLYmAxSh8XVXEMBbYRzAo5OwI+NxUFKK8Ni8P/UBuSRu?= =?us-ascii?Q?wmluyzeNFABpqQGLo9v8pN9/hcxUelteKVPpbkeyvNPU+rfa2rPk4I8t25pg?= =?us-ascii?Q?hEHwEKSdpbv7P8E6/CDSpkb26sd9lyNhiO2UdIfPGP60cDUskJUBY0bG+Lrx?= =?us-ascii?Q?3g=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 224abe4b-37bf-409a-59be-08db4522a55d X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB8107.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Apr 2023 00:18:51.0981 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: yWDJWl7p6MbK46D/i496iWph7XnK9MeMe3lDwxF1E35kczj2m+lpAzj2CEp7DN+PZDxqjGxsP5FGGnBRrVi65KWlKduP+RjV//9v1y7o9a8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR11MB5939 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org Dave Jiang wrote: > Provide a helper to find the ACPI0017 device in order to issue the _DSM. > The helper will take the 'struct device' from a cxl_port and iterate until > the root device is reached. The ACPI handle will be returned from the root > device. Following on from the last patch this should all be self contained to drivers/cxl/acpi.c with something like: struct cxl_root { struct cxl_port port; cxl_qos_class_fn qos_class; }; ...and then the caller does: port = find_cxl_root(...); root = container_of(port, typeof(*root), port); class = root->qos_class(port, ...); Yes, it means finally creating a formal 'struct cxl_root' type, but I expect it will not be the last root method that gets added.