diff options
Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
| -rw-r--r-- | drivers/nvdimm/namespace_devs.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index b18ffea9d85b..9303ca29be9b 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -82,8 +82,16 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, struct nd_region *nd_region = to_nd_region(ndns->dev.parent); const char *suffix = ""; - if (ndns->claim && is_nd_btt(ndns->claim)) - suffix = "s"; + if (ndns->claim) { + if (is_nd_btt(ndns->claim)) + suffix = "s"; + else if (is_nd_pfn(ndns->claim)) + suffix = "m"; + else + dev_WARN_ONCE(&ndns->dev, 1, + "unknown claim type by %s\n", + dev_name(ndns->claim)); + } if (is_namespace_pmem(&ndns->dev) || is_namespace_io(&ndns->dev)) sprintf(name, "pmem%d%s", nd_region->id, suffix); @@ -1255,12 +1263,22 @@ static const struct attribute_group *nd_namespace_attribute_groups[] = { struct nd_namespace_common *nvdimm_namespace_common_probe(struct device *dev) { struct nd_btt *nd_btt = is_nd_btt(dev) ? to_nd_btt(dev) : NULL; + struct nd_pfn *nd_pfn = is_nd_pfn(dev) ? to_nd_pfn(dev) : NULL; struct nd_namespace_common *ndns; resource_size_t size; - if (nd_btt) { - ndns = nd_btt->ndns; - if (!ndns) + if (nd_btt || nd_pfn) { + struct device *host = NULL; + + if (nd_btt) { + host = &nd_btt->dev; + ndns = nd_btt->ndns; + } else if (nd_pfn) { + host = &nd_pfn->dev; + ndns = nd_pfn->ndns; + } + + if (!ndns || !host) return ERR_PTR(-ENODEV); /* @@ -1271,12 +1289,12 @@ struct nd_namespace_common *nvdimm_namespace_common_probe(struct device *dev) device_unlock(&ndns->dev); if (ndns->dev.driver) { dev_dbg(&ndns->dev, "is active, can't bind %s\n", - dev_name(&nd_btt->dev)); + dev_name(host)); return ERR_PTR(-EBUSY); } - if (dev_WARN_ONCE(&ndns->dev, ndns->claim != &nd_btt->dev, + if (dev_WARN_ONCE(&ndns->dev, ndns->claim != host, "host (%s) vs claim (%s) mismatch\n", - dev_name(&nd_btt->dev), + dev_name(host), dev_name(ndns->claim))) return ERR_PTR(-ENXIO); } else { |
