@@ -546,18 +546,30 @@ static unsigned char cdat_checksum(void *buf, size_t size)
*/
void read_cdat_data(struct cxl_port *port)
{
- struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport);
- struct device *host = cxlmd->dev.parent;
+ struct device *uport = port->uport;
struct device *dev = &port->dev;
struct pci_doe_mb *cdat_doe;
+ struct pci_dev *pdev = NULL;
+ struct cxl_memdev *cxlmd;
size_t cdat_length;
void *cdat_table;
int rc;
- if (!dev_is_pci(host))
+ if (is_cxl_memdev(uport)) {
+ struct device *host;
+
+ cxlmd = to_cxl_memdev(uport);
+ host = cxlmd->dev.parent;
+ if (dev_is_pci(host))
+ pdev = to_pci_dev(host);
+ } else if (dev_is_pci(uport)) {
+ pdev = to_pci_dev(uport);
+ }
+
+ if (!pdev)
return;
- cdat_doe = pci_find_doe_mailbox(to_pci_dev(host),
- PCI_DVSEC_VENDOR_ID_CXL,
+
+ cdat_doe = pci_find_doe_mailbox(pdev, PCI_DVSEC_VENDOR_ID_CXL,
CXL_DOE_PROTOCOL_TABLE_ACCESS);
if (!cdat_doe) {
dev_dbg(dev, "No CDAT mailbox\n");
@@ -62,6 +62,9 @@ static int cxl_switch_port_probe(struct cxl_port *port)
struct cxl_hdm *cxlhdm;
int rc;
+ /* Cache the data early to ensure is_visible() works */
+ read_cdat_data(port);
+
rc = devm_cxl_port_enumerate_dports(port);
if (rc < 0)
return rc;