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-rw-r--r--drivers/acpi/nfit/core.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 19182d091587..be231a549eb0 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1835,6 +1835,30 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc,
cmp_map_compat, NULL);
nd_set->altcookie = nd_fletcher64(info, sizeof_nfit_set_info(nr), 0);
+ /* record the result of the sort for the mapping position */
+ for (i = 0; i < nr; i++) {
+ struct nfit_set_info_map2 *map2 = &info2->mapping[i];
+ int j;
+
+ for (j = 0; j < nr; j++) {
+ struct nd_mapping_desc *mapping = &ndr_desc->mapping[j];
+ struct nvdimm *nvdimm = mapping->nvdimm;
+ struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+
+ if (map2->serial_number
+ == nfit_mem->dcr->serial_number &&
+ map2->vendor_id
+ == nfit_mem->dcr->vendor_id &&
+ map2->manufacturing_date
+ == nfit_mem->dcr->manufacturing_date &&
+ map2->manufacturing_location
+ == nfit_mem->dcr->manufacturing_location) {
+ mapping->position = i;
+ break;
+ }
+ }
+ }
+
ndr_desc->nd_set = nd_set;
devm_kfree(dev, info);
devm_kfree(dev, info2);