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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Dec 2025 11:53:18.3222 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37b97710-88a5-4d1e-f4b3-08de33f4e1ae 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001D0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPF50009C446 From: Alejandro Lucero Add unregister_region() and cxl_decoder_detach() to the accelerator driver API for a clean exit. Signed-off-by: Alejandro Lucero --- drivers/cxl/core/core.h | 5 ----- drivers/cxl/core/region.c | 4 +++- include/cxl/cxl.h | 9 +++++++++ 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index 1c1726856139..9a6775845afe 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -15,11 +15,6 @@ extern const struct device_type cxl_pmu_type; extern struct attribute_group cxl_base_attribute_group; -enum cxl_detach_mode { - DETACH_ONLY, - DETACH_INVALIDATE, -}; - #ifdef CONFIG_CXL_REGION extern struct device_attribute dev_attr_create_pmem_region; extern struct device_attribute dev_attr_create_ram_region; diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 8166a402373e..104caa33b7bb 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2199,6 +2199,7 @@ int cxl_decoder_detach(struct cxl_region *cxlr, } return 0; } +EXPORT_SYMBOL_NS_GPL(cxl_decoder_detach, "CXL"); static int __attach_target(struct cxl_region *cxlr, struct cxl_endpoint_decoder *cxled, int pos, @@ -2393,7 +2394,7 @@ static struct cxl_region *to_cxl_region(struct device *dev) return container_of(dev, struct cxl_region, dev); } -static void unregister_region(void *_cxlr) +void unregister_region(void *_cxlr) { struct cxl_region *cxlr = _cxlr; struct cxl_region_params *p = &cxlr->params; @@ -2412,6 +2413,7 @@ static void unregister_region(void *_cxlr) cxl_region_iomem_release(cxlr); put_device(&cxlr->dev); } +EXPORT_SYMBOL_NS_GPL(unregister_region, "CXL"); static struct lock_class_key cxl_region_key; diff --git a/include/cxl/cxl.h b/include/cxl/cxl.h index f02dd817b40f..b8683c75dfde 100644 --- a/include/cxl/cxl.h +++ b/include/cxl/cxl.h @@ -255,4 +255,13 @@ struct cxl_endpoint_decoder *cxl_get_committed_decoder(struct cxl_memdev *cxlmd, struct cxl_region **cxlr); struct range; int cxl_get_region_range(struct cxl_region *region, struct range *range); +enum cxl_detach_mode { + DETACH_ONLY, + DETACH_INVALIDATE, +}; + +int cxl_decoder_detach(struct cxl_region *cxlr, + struct cxl_endpoint_decoder *cxled, int pos, + enum cxl_detach_mode mode); +void unregister_region(void *_cxlr); #endif /* __CXL_CXL_H__ */ -- 2.34.1