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nfit, tools/testing/nvdimm: unify common init for acpi_nfit_desc

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The nvdimm unit test infrastructure performs its own initialization of
an acpi_nfit_desc to specify test overrides over the native
implementation.  Make it clear which attributes and operations it is
overriding by re-using acpi_nfit_init_desc() as a common starting point.

Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2016-02-19 12:29:32 -08:00
commit a61fe6f790
3 changed files with 20 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

44
drivers/acpi/nfit.c
View file

@ -748,12 +748,11 @@ static struct attribute_group acpi_nfit_attribute_group = {
.attrs = acpi_nfit_attributes,
};
const struct attribute_group *acpi_nfit_attribute_groups[] = {
static const struct attribute_group *acpi_nfit_attribute_groups[] = {
&nvdimm_bus_attribute_group,
&acpi_nfit_attribute_group,
NULL,
};
EXPORT_SYMBOL_GPL(acpi_nfit_attribute_groups);
static struct acpi_nfit_memory_map *to_nfit_memdev(struct device *dev)
{
@ -1962,15 +1961,9 @@ int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, acpi_size sz)
}
EXPORT_SYMBOL_GPL(acpi_nfit_init);
static struct acpi_nfit_desc *acpi_nfit_desc_init(struct acpi_device *adev)
void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev)
{
struct nvdimm_bus_descriptor *nd_desc;
struct acpi_nfit_desc *acpi_desc;
struct device *dev = &adev->dev;
acpi_desc = devm_kzalloc(dev, sizeof(*acpi_desc), GFP_KERNEL);
if (!acpi_desc)
return ERR_PTR(-ENOMEM);
dev_set_drvdata(dev, acpi_desc);
acpi_desc->dev = dev;
@ -1980,12 +1973,6 @@ static struct acpi_nfit_desc *acpi_nfit_desc_init(struct acpi_device *adev)
nd_desc->ndctl = acpi_nfit_ctl;
nd_desc->attr_groups = acpi_nfit_attribute_groups;
acpi_desc->nvdimm_bus = nvdimm_bus_register(dev, nd_desc);
if (!acpi_desc->nvdimm_bus) {
devm_kfree(dev, acpi_desc);
return ERR_PTR(-ENXIO);
}
INIT_LIST_HEAD(&acpi_desc->spa_maps);
INIT_LIST_HEAD(&acpi_desc->spas);
INIT_LIST_HEAD(&acpi_desc->dcrs);
@ -1996,9 +1983,8 @@ static struct acpi_nfit_desc *acpi_nfit_desc_init(struct acpi_device *adev)
INIT_LIST_HEAD(&acpi_desc->dimms);
mutex_init(&acpi_desc->spa_map_mutex);
mutex_init(&acpi_desc->init_mutex);
return acpi_desc;
}
EXPORT_SYMBOL_GPL(acpi_nfit_desc_init);
static int acpi_nfit_add(struct acpi_device *adev)
{
@ -2017,12 +2003,13 @@ static int acpi_nfit_add(struct acpi_device *adev)
return 0;
}
acpi_desc = acpi_nfit_desc_init(adev);
if (IS_ERR(acpi_desc)) {
dev_err(dev, "%s: error initializing acpi_desc: %ld\n",
__func__, PTR_ERR(acpi_desc));
return PTR_ERR(acpi_desc);
}
acpi_desc = devm_kzalloc(dev, sizeof(*acpi_desc), GFP_KERNEL);
if (!acpi_desc)
return -ENOMEM;
acpi_nfit_desc_init(acpi_desc, &adev->dev);
acpi_desc->nvdimm_bus = nvdimm_bus_register(dev, &acpi_desc->nd_desc);
if (!acpi_desc->nvdimm_bus)
return -ENOMEM;
/*
* Save the acpi header for later and then skip it,
@ -2085,12 +2072,13 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event)
}
if (!acpi_desc) {
acpi_desc = acpi_nfit_desc_init(adev);
if (IS_ERR(acpi_desc)) {
dev_err(dev, "%s: error initializing acpi_desc: %ld\n",
__func__, PTR_ERR(acpi_desc));
acpi_desc = devm_kzalloc(dev, sizeof(*acpi_desc), GFP_KERNEL);
if (!acpi_desc)
goto out_unlock;
acpi_nfit_desc_init(acpi_desc, &adev->dev);
acpi_desc->nvdimm_bus = nvdimm_bus_register(dev, &acpi_desc->nd_desc);
if (!acpi_desc->nvdimm_bus)
goto out_unlock;
}
}
/* Evaluate _FIT */

2
drivers/acpi/nfit.h
View file

@ -195,5 +195,5 @@ static inline struct acpi_nfit_desc *to_acpi_desc(
const u8 *to_nfit_uuid(enum nfit_uuids id);
int acpi_nfit_init(struct acpi_nfit_desc *nfit, acpi_size sz);
extern const struct attribute_group *acpi_nfit_attribute_groups[];
void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev);
#endif /* __NFIT_H__ */