diff options
| -rw-r--r-- | drivers/acpi/nfit/core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 5912d30020c7..59dd07c94f12 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3474,7 +3474,13 @@ static int acpi_nfit_add(struct acpi_device *adev) status = acpi_get_table(ACPI_SIG_NFIT, 0, &tbl); if (ACPI_FAILURE(status)) { - /* This is ok, we could have an nvdimm hotplugged later */ + /* The NVDIMM root device allows OS to trigger enumeration of + * NVDIMMs through NFIT at boot time and re-enumeration at + * root level via the _FIT method during runtime. + * This is ok to return 0 here, we could have an nvdimm + * hotplugged later and evaluate _FIT method which returns + * data in the format of a series of NFIT Structures. + */ dev_dbg(dev, "failed to find NFIT at startup\n"); return 0; } |