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Message-ID: <157401270052.43284.15637974636712508503.stgit@dwillia2-desk3.amr.corp.intel.com>
Date: Sun, 17 Nov 2019 09:45:00 -0800
From: Dan Williams <dan.j.williams@...el.com>
To: linux-nvdimm@...ts.01.org
Cc: Ira Weiny <ira.weiny@...el.com>,
Michael Ellerman <mpe@...erman.id.au>,
Oliver O'Halloran <oohall@...il.com>,
Vishal Verma <vishal.l.verma@...el.com>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
peterz@...radead.org, dave.hansen@...ux.intel.com, hch@....de,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-acpi@...r.kernel.org
Subject: [PATCH v2 05/18] libnvdimm: Move nd_region_attribute_group to
device_type
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@...el.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: "Oliver O'Halloran" <oohall@...il.com>
Cc: Vishal Verma <vishal.l.verma@...el.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
Link: https://lore.kernel.org/r/157309902169.1582359.16828508538444551337.stgit@dwillia2-desk3.amr.corp.intel.com
---
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;
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