diff options
| -rw-r--r-- | drivers/cxl/core/port.c | 11 | ||||
| -rw-r--r-- | drivers/cxl/cxl.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index 43ffecebf1d8..cbd3d17f6410 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -711,6 +711,13 @@ static inline int cxl_port_setup_regs(struct cxl_port *port, component_reg_phys); } +static inline int cxl_dport_setup_regs(struct cxl_dport *dport, + resource_size_t component_reg_phys) +{ + return cxl_setup_comp_regs(dport->dport_dev, &dport->comp_map, + component_reg_phys); +} + static struct cxl_port *__devm_cxl_add_port(struct device *host, struct device *uport_dev, resource_size_t component_reg_phys, @@ -989,6 +996,10 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev, dport->port_id = port_id; dport->port = port; + rc = cxl_dport_setup_regs(dport, component_reg_phys); + if (rc) + return ERR_PTR(rc); + cond_cxl_root_lock(port); rc = add_dport(port, dport); cond_cxl_root_unlock(port); diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 37fa5b565362..b1adca9b27ba 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -595,6 +595,7 @@ struct cxl_rcrb_info { /** * struct cxl_dport - CXL downstream port * @dport_dev: PCI bridge or firmware device representing the downstream link + * @comp_map: component register capability mappings * @port_id: unique hardware identifier for dport in decoder target list * @rcrb: Data about the Root Complex Register Block layout * @rch: Indicate whether this dport was enumerated in RCH or VH mode @@ -602,6 +603,7 @@ struct cxl_rcrb_info { */ struct cxl_dport { struct device *dport_dev; + struct cxl_register_map comp_map; int port_id; struct cxl_rcrb_info rcrb; bool rch; |