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libnvdimm: Move nvdimm_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
nvdimm_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>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Link: https://lore.kernel.org/r/157309903201.1582359.10966209746585062329.stgit@dwillia2-desk3.amr.corp.intel.com
This commit is contained in:
Dan Williams 2019-11-12 17:08:04 -08:00
parent 4ce79fa97e
commit 360eba7ebd
4 changed files with 20 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/powerpc/platforms/pseries/papr_scm.c
View File

@ -289,11 +289,6 @@ static const struct attribute_group *bus_attr_groups[] = {
NULL,
};
static const struct attribute_group *papr_scm_dimm_groups[] = {
&nvdimm_attribute_group,
NULL,
};
static inline int papr_scm_node(int node)
{
int min_dist = INT_MAX, dist;
@ -339,8 +334,8 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
dimm_flags = 0;
set_bit(NDD_ALIASING, &dimm_flags);
p->nvdimm = nvdimm_create(p->bus, p, papr_scm_dimm_groups,
dimm_flags, PAPR_SCM_DIMM_CMD_MASK, 0, NULL);
p->nvdimm = nvdimm_create(p->bus, p, NULL, dimm_flags,
PAPR_SCM_DIMM_CMD_MASK, 0, NULL);
if (!p->nvdimm) {
dev_err(dev, "Error creating DIMM object for %pOF\n", p->dn);
goto err;

1
drivers/acpi/nfit/core.c
View File

@ -1698,7 +1698,6 @@ static const struct attribute_group acpi_nfit_dimm_attribute_group = {
};
static const struct attribute_group *acpi_nfit_dimm_attribute_groups[] = {
&nvdimm_attribute_group,
&acpi_nfit_dimm_attribute_group,
NULL,
};

36
drivers/nvdimm/dimm_devs.c
View File

@ -202,22 +202,6 @@ static void nvdimm_release(struct device *dev)
kfree(nvdimm);
}
static const struct attribute_group *nvdimm_attribute_groups[] = {
&nd_device_attribute_group,
NULL,
};
static const struct device_type nvdimm_device_type = {
.name = "nvdimm",
.release = nvdimm_release,
.groups = nvdimm_attribute_groups,
};
bool is_nvdimm(struct device *dev)
{
return dev->type == &nvdimm_device_type;
}
struct nvdimm *to_nvdimm(struct device *dev)
{
struct nvdimm *nvdimm = container_of(dev, struct nvdimm, dev);
@ -456,11 +440,27 @@ static umode_t nvdimm_visible(struct kobject *kobj, struct attribute *a, int n)
return 0;
}
struct attribute_group nvdimm_attribute_group = {
static const struct attribute_group nvdimm_attribute_group = {
.attrs = nvdimm_attributes,
.is_visible = nvdimm_visible,
};
EXPORT_SYMBOL_GPL(nvdimm_attribute_group);
static const struct attribute_group *nvdimm_attribute_groups[] = {
&nd_device_attribute_group,
&nvdimm_attribute_group,
NULL,
};
static const struct device_type nvdimm_device_type = {
.name = "nvdimm",
.release = nvdimm_release,
.groups = nvdimm_attribute_groups,
};
bool is_nvdimm(struct device *dev)
{
return dev->type == &nvdimm_device_type;
}
struct nvdimm *__nvdimm_create(struct nvdimm_bus *nvdimm_bus,
void *provider_data, const struct attribute_group **groups,

1
include/linux/libnvdimm.h
View File

@ -66,7 +66,6 @@ enum {
};
extern struct attribute_group nvdimm_bus_attribute_group;
extern struct attribute_group nvdimm_attribute_group;
struct nvdimm;
struct nvdimm_bus_descriptor;