diff options
Diffstat (limited to 'drivers/cxl/core/core.h')
| -rw-r--r-- | drivers/cxl/core/core.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index 6edd8174c2b5..fcf14b8a3c87 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -42,9 +42,13 @@ resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled); extern struct rw_semaphore cxl_dpa_rwsem; bool is_switch_decoder(struct device *dev); +struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev); static inline struct cxl_ep *cxl_ep_load(struct cxl_port *port, struct cxl_memdev *cxlmd) { + if (!port) + return NULL; + return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev); } |