A 'struct device_type' instance can carry default attributes for the
device. Use this facility to remove the export of
nd_numa_attribute_group and put the responsibility on the core rather
than leaf implementations to define this attribute.
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Oliver O'Halloran" <oohall@gmail.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Link: https://lore.kernel.org/r/157401269537.43284.14411189404186877352.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
 static const struct attribute_group *region_attr_groups[] = {
        &nd_region_attribute_group,
        &nd_mapping_attribute_group,
-       &nd_numa_attribute_group,
        NULL,
 };
 
 
 static const struct attribute_group *acpi_nfit_region_attribute_groups[] = {
        &nd_region_attribute_group,
        &nd_mapping_attribute_group,
-       &nd_numa_attribute_group,
        &acpi_nfit_region_attribute_group,
        NULL,
 };
 
 /*
  * nd_numa_attribute_group - NUMA attributes for all devices on an nd bus
  */
-struct attribute_group nd_numa_attribute_group = {
+const struct attribute_group nd_numa_attribute_group = {
        .attrs = nd_numa_attributes,
        .is_visible = nd_numa_attr_visible,
 };
-EXPORT_SYMBOL_GPL(nd_numa_attribute_group);
 
 int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus)
 {
 
 void nd_region_exit(void);
 struct nvdimm;
 extern const struct attribute_group nd_device_attribute_group;
+extern const struct attribute_group nd_numa_attribute_group;
 struct nvdimm_drvdata *to_ndd(struct nd_mapping *nd_mapping);
 int nvdimm_check_config_data(struct device *dev);
 int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd);
 
 
 static const struct attribute_group *nd_region_attribute_groups[] = {
        &nd_device_attribute_group,
+       &nd_numa_attribute_group,
        NULL,
 };
 
 
 
 extern struct attribute_group nvdimm_bus_attribute_group;
 extern struct attribute_group nvdimm_attribute_group;
-extern struct attribute_group nd_numa_attribute_group;
 extern struct attribute_group nd_region_attribute_group;
 extern struct attribute_group nd_mapping_attribute_group;