[PATCH 04/16] libnvdimm: Move nd_numa_attribute_group to device_type

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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@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: "Oliver O'Halloran" <oohall@xxxxxxxxx>
Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
 arch/powerpc/platforms/pseries/papr_scm.c |    1 -
 drivers/acpi/nfit/core.c                  |    1 -
 drivers/nvdimm/bus.c                      |    3 +--
 drivers/nvdimm/nd.h                       |    1 +
 drivers/nvdimm/region_devs.c              |    1 +
 include/linux/libnvdimm.h                 |    1 -
 6 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 04726f8fd189..6ffda03a6349 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -287,7 +287,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 static const struct attribute_group *region_attr_groups[] = {
 	&nd_region_attribute_group,
 	&nd_mapping_attribute_group,
-	&nd_numa_attribute_group,
 	NULL,
 };
 
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index dec7c2b08672..b3213faf37b5 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -2198,7 +2198,6 @@ static const struct attribute_group acpi_nfit_region_attribute_group = {
 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,
 };
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index eb422527dd57..28e1b265aa63 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -697,11 +697,10 @@ static umode_t nd_numa_attr_visible(struct kobject *kobj, struct attribute *a,
 /*
  * 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)
 {
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 3f509bb6b5c0..e7f3a2fee2ab 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -299,6 +299,7 @@ struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn,
 int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig);
 extern const struct attribute_group *nd_pfn_attribute_groups[];
 extern const struct attribute_group nd_device_attribute_group;
+extern const struct attribute_group nd_numa_attribute_group;
 #else
 static inline int nd_pfn_probe(struct device *dev,
 		struct nd_namespace_common *ndns)
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index 710b5111eaa8..e4281f806adc 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -765,6 +765,7 @@ EXPORT_SYMBOL_GPL(nd_region_attribute_group);
 
 static const struct attribute_group *nd_region_attribute_groups[] = {
 	&nd_device_attribute_group,
+	&nd_numa_attribute_group,
 	NULL,
 };
 
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index d7dbf42498af..e9a4e25fc708 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -67,7 +67,6 @@ enum {
 
 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;
 





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