cxl/pci: Kill cxl_map_regs()

The component registers are currently unused by the cxl_pci driver.
Only the physical address base of the component registers is conveyed to
the cxl_mem driver. Just call cxl_map_device_registers() directly.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166974410443.1608150.15855499736133349600.stgit@djiang5-desk3.ch.intel.comSigned-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/cxl/pci.c

@@ -347,27 +347,6 @@ static int cxl_probe_regs(struct pci_dev *pdev, struct cxl_register_map *map)
 	return 0;
 }
 
-static int cxl_map_regs(struct cxl_dev_state *cxlds, struct cxl_register_map *map)
-{
-	struct device *dev = cxlds->dev;
-	struct pci_dev *pdev = to_pci_dev(dev);
-
-	switch (map->reg_type) {
-	case CXL_REGLOC_RBI_COMPONENT:
-		cxl_map_component_regs(pdev, &cxlds->regs.component, map);
-		dev_dbg(dev, "Mapping component registers...\n");
-		break;
-	case CXL_REGLOC_RBI_MEMDEV:
-		cxl_map_device_regs(pdev, &cxlds->regs.device_regs, map);
-		dev_dbg(dev, "Probing device registers...\n");
-		break;
-	default:
-		break;
-	}
-
-	return 0;
-}
-
 static int cxl_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type,
 			  struct cxl_register_map *map)
 {
@@ -461,7 +440,7 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (rc)
 		return rc;
 
-	rc = cxl_map_regs(cxlds, &map);
+	rc = cxl_map_device_regs(pdev, &cxlds->regs.device_regs, &map);
 	if (rc)
 		return rc;