diff options
Diffstat (limited to 'drivers/cxl/acpi.c')
| -rw-r--r-- | drivers/cxl/acpi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index 31e104f0210f..fb9f72813067 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -221,6 +221,8 @@ static int add_host_bridge_uport(struct device *match, void *arg) if (IS_ERR(port)) return PTR_ERR(port); + dev_info(pci_root->bus->bridge, "host supports CXL\n"); + return 0; } @@ -264,11 +266,12 @@ static int add_host_bridge_dport(struct device *match, void *arg) status = acpi_evaluate_integer(bridge->handle, METHOD_NAME__UID, NULL, &uid); if (status != AE_OK) { - dev_err(host, "unable to retrieve _UID of %s\n", - dev_name(match)); + dev_err(match, "unable to retrieve _UID\n"); return -ENODEV; } + dev_dbg(match, "UID found: %lld\n", uid); + ctx = (struct cxl_chbs_context) { .dev = host, .uid = uid, @@ -276,11 +279,12 @@ static int add_host_bridge_dport(struct device *match, void *arg) acpi_table_parse_cedt(ACPI_CEDT_TYPE_CHBS, cxl_get_chbcr, &ctx); if (ctx.chbcr == 0) { - dev_warn(host, "No CHBS found for Host Bridge: %s\n", - dev_name(match)); + dev_warn(match, "No CHBS found for Host Bridge (UID %lld)\n", uid); return 0; } + dev_dbg(match, "CHBCR found: 0x%08llx\n", (u64)ctx.chbcr); + dport = devm_cxl_add_dport(root_port, match, uid, ctx.chbcr); if (IS_ERR(dport)) return PTR_ERR(dport); |