A 'struct device_type' instance can carry default attributes for the device. Use this facility to remove the export of nd_region_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> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/157309902169.1582359.16828508538444551337.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx --- arch/powerpc/platforms/pseries/papr_scm.c | 1 - drivers/acpi/nfit/core.c | 1 - drivers/nvdimm/e820.c | 6 ------ drivers/nvdimm/of_pmem.c | 6 ------ drivers/nvdimm/region_devs.c | 4 ++-- include/linux/libnvdimm.h | 1 - 6 files changed, 2 insertions(+), 17 deletions(-) diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index 6ffda03a6349..6428834d7cd5 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -285,7 +285,6 @@ 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, NULL, }; diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index b3213faf37b5..99e20b8b6ea0 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2196,7 +2196,6 @@ 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, &acpi_nfit_region_attribute_group, NULL, diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index adde2864c6a4..9a971a59dec7 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -13,11 +13,6 @@ static const struct attribute_group *e820_pmem_attribute_groups[] = { NULL, }; -static const struct attribute_group *e820_pmem_region_attribute_groups[] = { - &nd_region_attribute_group, - NULL, -}; - static int e820_pmem_remove(struct platform_device *pdev) { struct nvdimm_bus *nvdimm_bus = platform_get_drvdata(pdev); @@ -45,7 +40,6 @@ static int e820_register_one(struct resource *res, void *data) memset(&ndr_desc, 0, sizeof(ndr_desc)); ndr_desc.res = res; - ndr_desc.attr_groups = e820_pmem_region_attribute_groups; ndr_desc.numa_node = e820_range_to_nid(res->start); ndr_desc.target_node = ndr_desc.numa_node; set_bit(ND_REGION_PAGEMAP, &ndr_desc.flags); diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index 41348fa6b74c..c0b5ac36df9d 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -9,11 +9,6 @@ #include <linux/ioport.h> #include <linux/slab.h> -static const struct attribute_group *region_attr_groups[] = { - &nd_region_attribute_group, - NULL, -}; - static const struct attribute_group *bus_attr_groups[] = { &nvdimm_bus_attribute_group, NULL, @@ -65,7 +60,6 @@ static int of_pmem_region_probe(struct platform_device *pdev) * structures so passing a stack pointer is fine. */ memset(&ndr_desc, 0, sizeof(ndr_desc)); - ndr_desc.attr_groups = region_attr_groups; ndr_desc.numa_node = dev_to_node(&pdev->dev); ndr_desc.target_node = ndr_desc.numa_node; ndr_desc.res = &pdev->resource[i]; diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index e4281f806adc..f97166583294 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -757,14 +757,14 @@ struct attribute_group nd_mapping_attribute_group = { }; EXPORT_SYMBOL_GPL(nd_mapping_attribute_group); -struct attribute_group nd_region_attribute_group = { +static const struct attribute_group nd_region_attribute_group = { .attrs = nd_region_attributes, .is_visible = region_visible, }; -EXPORT_SYMBOL_GPL(nd_region_attribute_group); static const struct attribute_group *nd_region_attribute_groups[] = { &nd_device_attribute_group, + &nd_region_attribute_group, &nd_numa_attribute_group, NULL, }; diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index e9a4e25fc708..312248d334c7 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_region_attribute_group; extern struct attribute_group nd_mapping_attribute_group; struct nvdimm;