kfree(dax_region);
}
-void dax_region_put(struct dax_region *dax_region)
+static void dax_region_put(struct dax_region *dax_region)
{
kref_put(&dax_region->kref, dax_region_free);
}
-EXPORT_SYMBOL_GPL(dax_region_put);
/* a return value >= 0 indicates this invocation invalidated the id */
static int __free_dev_dax_id(struct dev_dax *dev_dax)
return NULL;
}
- kref_get(&dax_region->kref);
if (devm_add_action_or_reset(parent, dax_region_unregister, dax_region))
return NULL;
return dax_region;
struct resource;
struct dax_device;
struct dax_region;
-void dax_region_put(struct dax_region *dax_region);
/* dax bus specific ioresource flags */
#define IORESOURCE_DAX_STATIC BIT(0)
struct cxl_region *cxlr = cxlr_dax->cxlr;
struct dax_region *dax_region;
struct dev_dax_data data;
- struct dev_dax *dev_dax;
if (nid == NUMA_NO_NODE)
nid = memory_add_physaddr_to_nid(cxlr_dax->hpa_range.start);
.id = -1,
.size = range_len(&cxlr_dax->hpa_range),
};
- dev_dax = devm_create_dev_dax(&data);
- if (IS_ERR(dev_dax))
- return PTR_ERR(dev_dax);
- /* child dev_dax instances now own the lifetime of the dax_region */
- dax_region_put(dax_region);
- return 0;
+ return PTR_ERR_OR_ZERO(devm_create_dev_dax(&data));
}
static struct cxl_driver cxl_dax_region_driver = {
struct dax_region *dax_region;
struct memregion_info *mri;
struct dev_dax_data data;
- struct dev_dax *dev_dax;
/*
* @region_idle == true indicates that an administrative agent
.id = -1,
.size = region_idle ? 0 : range_len(&mri->range),
};
- dev_dax = devm_create_dev_dax(&data);
- if (IS_ERR(dev_dax))
- return PTR_ERR(dev_dax);
- /* child dev_dax instances now own the lifetime of the dax_region */
- dax_region_put(dax_region);
- return 0;
+ return PTR_ERR_OR_ZERO(devm_create_dev_dax(&data));
}
static struct platform_driver dax_hmem_driver = {
int rc, id, region_id;
resource_size_t offset;
struct nd_pfn_sb *pfn_sb;
- struct dev_dax *dev_dax;
struct dev_dax_data data;
struct nd_namespace_io *nsio;
struct dax_region *dax_region;
.pgmap = &pgmap,
.size = range_len(&range),
};
- dev_dax = devm_create_dev_dax(&data);
- /* child dev_dax instances now own the lifetime of the dax_region */
- dax_region_put(dax_region);
-
- return dev_dax;
+ return devm_create_dev_dax(&data);
}
static int dax_pmem_probe(struct device *dev)