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libnvdimm: move ->module to struct nvdimm_bus_descriptor

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Let the provider module be explicitly passed in rather than implicitly
assumed by the module that calls nvdimm_bus_register().  This is in
preparation for unifying the nfit and nfit_test driver teardown paths.

Reviewed-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-07-21 20:03:19 -07:00
parent e7a11b449e
commit bc9775d869
7 changed files with 10 additions and 10 deletions
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1
drivers/acpi/nfit.c
View File

@ -2417,6 +2417,7 @@ void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev)
acpi_desc->blk_do_io = acpi_nfit_blk_region_do_io;
nd_desc = &acpi_desc->nd_desc;
nd_desc->provider_name = "ACPI.NFIT";
nd_desc->module = THIS_MODULE;
nd_desc->ndctl = acpi_nfit_ctl;
nd_desc->flush_probe = acpi_nfit_flush_probe;
nd_desc->clear_to_send = acpi_nfit_clear_to_send;

2
drivers/nvdimm/bus.c
View File

@ -73,7 +73,7 @@ static struct module *to_bus_provider(struct device *dev)
if (is_nd_pmem(dev) || is_nd_blk(dev)) {
struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);
return nvdimm_bus->module;
return nvdimm_bus->nd_desc->module;
}
return NULL;
}

7
drivers/nvdimm/core.c
View File

@ -447,8 +447,8 @@ struct attribute_group nvdimm_bus_attribute_group = {
};
EXPORT_SYMBOL_GPL(nvdimm_bus_attribute_group);
struct nvdimm_bus *__nvdimm_bus_register(struct device *parent,
struct nvdimm_bus_descriptor *nd_desc, struct module *module)
struct nvdimm_bus *nvdimm_bus_register(struct device *parent,
struct nvdimm_bus_descriptor *nd_desc)
{
struct nvdimm_bus *nvdimm_bus;
int rc;
@ -467,7 +467,6 @@ struct nvdimm_bus *__nvdimm_bus_register(struct device *parent,
return NULL;
}
nvdimm_bus->nd_desc = nd_desc;
nvdimm_bus->module = module;
nvdimm_bus->dev.parent = parent;
nvdimm_bus->dev.release = nvdimm_bus_release;
nvdimm_bus->dev.groups = nd_desc->attr_groups;
@ -491,7 +490,7 @@ struct nvdimm_bus *__nvdimm_bus_register(struct device *parent,
put_device(&nvdimm_bus->dev);
return NULL;
}
EXPORT_SYMBOL_GPL(__nvdimm_bus_register);
EXPORT_SYMBOL_GPL(nvdimm_bus_register);
static void set_badblock(struct badblocks *bb, sector_t s, int num)
{

1
drivers/nvdimm/e820.c
View File

@ -47,6 +47,7 @@ static int e820_pmem_probe(struct platform_device *pdev)
nd_desc.attr_groups = e820_pmem_attribute_groups;
nd_desc.provider_name = "e820";
nd_desc.module = THIS_MODULE;
nvdimm_bus = nvdimm_bus_register(dev, &nd_desc);
if (!nvdimm_bus)
goto err;

1
drivers/nvdimm/nd-core.h
View File

@ -26,7 +26,6 @@ extern int nvdimm_major;
struct nvdimm_bus {
struct nvdimm_bus_descriptor *nd_desc;
wait_queue_head_t probe_wait;
struct module *module;
struct list_head list;
struct device dev;
int id, probe_active;

7
include/linux/libnvdimm.h
View File

@ -70,6 +70,7 @@ struct nd_mapping {
struct nvdimm_bus_descriptor {
const struct attribute_group **attr_groups;
unsigned long cmd_mask;
struct module *module;
char *provider_name;
ndctl_fn ndctl;
int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc);
@ -128,10 +129,8 @@ static inline struct nd_blk_region_desc *to_blk_region_desc(
}
int nvdimm_bus_add_poison(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length);
struct nvdimm_bus *__nvdimm_bus_register(struct device *parent,
struct nvdimm_bus_descriptor *nfit_desc, struct module *module);
#define nvdimm_bus_register(parent, desc) \
__nvdimm_bus_register(parent, desc, THIS_MODULE)
struct nvdimm_bus *nvdimm_bus_register(struct device *parent,
struct nvdimm_bus_descriptor *nfit_desc);
void nvdimm_bus_unregister(struct nvdimm_bus *nvdimm_bus);
struct nvdimm_bus *to_nvdimm_bus(struct device *dev);
struct nvdimm *to_nvdimm(struct device *dev);

1
tools/testing/nvdimm/test/nfit.c
View File

@ -1463,6 +1463,7 @@ static int nfit_test_probe(struct platform_device *pdev)
acpi_desc->blk_do_io = nfit_test_blk_do_io;
nd_desc = &acpi_desc->nd_desc;
nd_desc->provider_name = NULL;
nd_desc->module = THIS_MODULE;
nd_desc->ndctl = nfit_test_ctl;
acpi_desc->nvdimm_bus = nvdimm_bus_register(&pdev->dev, nd_desc);
if (!acpi_desc->nvdimm_bus)