diff options
author | Linda Knippers <linda.knippers@hp.com> | 2015-07-22 16:17:22 -0400 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2015-07-27 22:53:20 -0400 |
commit | 60e95f43fc8573e81f54b0c1e0bc542c2260d956 (patch) | |
tree | f567f9fe99cfb2e18e48f966a4c11359cab1a673 /drivers/acpi | |
parent | 6b47496a6fc81816e7edaf8224dfb88e402a05f5 (diff) | |
download | op-kernel-dev-60e95f43fc8573e81f54b0c1e0bc542c2260d956.zip op-kernel-dev-60e95f43fc8573e81f54b0c1e0bc542c2260d956.tar.gz |
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')
-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 ef8a664..7c2638f 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) |