diff options
| -rw-r--r-- | drivers/acpi/nfit/core.c | 3 | ||||
| -rw-r--r-- | include/linux/libnvdimm.h | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index dc775823aea0..aa9d00db763a 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2675,6 +2675,9 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, if(acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH) set_bit(ND_REGION_PERSIST_CACHE, &ndr_desc->flags); + if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH) + set_bit(ND_REGION_PERSIST_MEMCTRL, &ndr_desc->flags); + list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { struct acpi_nfit_memory_map *memdev = nfit_memdev->memdev; struct nd_mapping_desc *mapping; diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index f2fc0da4da04..ff855ed965fb 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -52,6 +52,12 @@ enum { * system power loss. */ ND_REGION_PERSIST_CACHE = 1, + /* + * Platform provides mechanisms to automatically flush outstanding + * write data from memory controler to pmem on system power loss. + * (ADR) + */ + ND_REGION_PERSIST_MEMCTRL = 2, /* mark newly adjusted resources as requiring a label update */ DPA_RESOURCE_ADJUSTED = 1 << 0, |