diff options
| author | Linda Knippers | 2015-07-22 22:17:22 +0200 |
|---|---|---|
| committer | Dan Williams | 2015-07-28 04:53:20 +0200 |
| commit | 60e95f43fc8573e81f54b0c1e0bc542c2260d956 (patch) | |
| tree | f567f9fe99cfb2e18e48f966a4c11359cab1a673 /drivers/acpi/nfit.c | |
| parent | libnvdimm, pmem: Change pmem physical sector size to PAGE_SIZE (diff) | |
| download | kernel-qcow2-linux-60e95f43fc8573e81f54b0c1e0bc542c2260d956.tar.gz kernel-qcow2-linux-60e95f43fc8573e81f54b0c1e0bc542c2260d956.tar.xz kernel-qcow2-linux-60e95f43fc8573e81f54b0c1e0bc542c2260d956.zip | |
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>
Diffstat (limited to 'drivers/acpi/nfit.c')
| -rw-r--r-- | drivers/acpi/nfit.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index ef8a664db254..7c2638f914a9 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -764,9 +764,7 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, 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 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, 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) |