nfit: Don't check _STA on NVDIMM devices
The _STA only applies to the root device, not the individual NVDIMMS,
so don't check here. NVDIMM device state flags are checked elsewhere.
Signed-off-by: Linda Knippers <linda.knippers@hp.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index ef8a664..7c2638f 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -764,9 +764,7 @@
struct acpi_device *adev, *adev_dimm;
struct device *dev = acpi_desc->dev;
const u8 *uuid = to_nfit_uuid(NFIT_DEV_DIMM);
- unsigned long long sta;
- int i, rc = -ENODEV;
- acpi_status status;
+ int i;
nfit_mem->dsm_mask = acpi_desc->dimm_dsm_force_en;
adev = to_acpi_dev(acpi_desc);
@@ -781,25 +779,11 @@
return force_enable_dimms ? 0 : -ENODEV;
}
- status = acpi_evaluate_integer(adev_dimm->handle, "_STA", NULL, &sta);
- if (status == AE_NOT_FOUND) {
- dev_dbg(dev, "%s missing _STA, assuming enabled...\n",
- dev_name(&adev_dimm->dev));
- rc = 0;
- } else if (ACPI_FAILURE(status))
- dev_err(dev, "%s failed to retrieve_STA, disabling...\n",
- dev_name(&adev_dimm->dev));
- else if ((sta & ACPI_STA_DEVICE_ENABLED) == 0)
- dev_info(dev, "%s disabled by firmware\n",
- dev_name(&adev_dimm->dev));
- else
- rc = 0;
-
for (i = ND_CMD_SMART; i <= ND_CMD_VENDOR; i++)
if (acpi_check_dsm(adev_dimm->handle, uuid, 1, 1ULL << i))
set_bit(i, &nfit_mem->dsm_mask);
- return force_enable_dimms ? 0 : rc;
+ return 0;
}
static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc)