Merge tag 'mac80211-for-davem-2015-09-22' of git://git.kernel.org/pub/scm/linux/kerne...

[firefly-linux-kernel-4.4.55.git] / drivers / nvdimm / region_devs.c

diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index 7384455792bfb629ed6a2b9a5dbe40d1f58f2627..529f3f02e7b2d90ee989e88d400aa1bb4f5f0500 100644 (file)
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -345,6 +345,23 @@ static ssize_t btt_seed_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(btt_seed);
 
+static ssize_t pfn_seed_show(struct device *dev,
+               struct device_attribute *attr, char *buf)
+{
+       struct nd_region *nd_region = to_nd_region(dev);
+       ssize_t rc;
+
+       nvdimm_bus_lock(dev);
+       if (nd_region->pfn_seed)
+               rc = sprintf(buf, "%s\n", dev_name(nd_region->pfn_seed));
+       else
+               rc = sprintf(buf, "\n");
+       nvdimm_bus_unlock(dev);
+
+       return rc;
+}
+static DEVICE_ATTR_RO(pfn_seed);
+
 static ssize_t read_only_show(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
@@ -373,6 +390,7 @@ static struct attribute *nd_region_attributes[] = {
        &dev_attr_nstype.attr,
        &dev_attr_mappings.attr,
        &dev_attr_btt_seed.attr,
+       &dev_attr_pfn_seed.attr,
        &dev_attr_read_only.attr,
        &dev_attr_set_cookie.attr,
        &dev_attr_available_size.attr,
@@ -740,10 +758,12 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus,
        nd_region->provider_data = ndr_desc->provider_data;
        nd_region->nd_set = ndr_desc->nd_set;
        nd_region->num_lanes = ndr_desc->num_lanes;
+       nd_region->flags = ndr_desc->flags;
        nd_region->ro = ro;
        nd_region->numa_node = ndr_desc->numa_node;
        ida_init(&nd_region->ns_ida);
        ida_init(&nd_region->btt_ida);
+       ida_init(&nd_region->pfn_ida);
        dev = &nd_region->dev;
        dev_set_name(dev, "region%d", nd_region->id);
        dev->parent = &nvdimm_bus->dev;