1 files changed, 5 insertions, 3 deletions

diff --git a/include/linux/nd.h b/include/linux/nd.h
index f1ea426d6a5e..fa66aeed441a 100644
--- a/include/linux/nd.h
+++ b/include/linux/nd.h
@@ -77,11 +77,13 @@ struct nd_namespace_io {
  * @nsio: device and system physical address range to drive
  * @alt_name: namespace name supplied in the dimm label
  * @uuid: namespace name supplied in the dimm label
+ * @id: ida allocated id
  */
 struct nd_namespace_pmem {
         struct nd_namespace_io nsio;
         char *alt_name;
         u8 *uuid;
+        int id;
 };
 
 /**
@@ -105,19 +107,19 @@ struct nd_namespace_blk {
         struct resource **res;
 };
 
-static inline struct nd_namespace_io *to_nd_namespace_io(struct device *dev)
+static inline struct nd_namespace_io *to_nd_namespace_io(const struct device *dev)
 {
         return container_of(dev, struct nd_namespace_io, common.dev);
 }
 
-static inline struct nd_namespace_pmem *to_nd_namespace_pmem(struct device *dev)
+static inline struct nd_namespace_pmem *to_nd_namespace_pmem(const struct device *dev)
 {
         struct nd_namespace_io *nsio = to_nd_namespace_io(dev);
 
         return container_of(nsio, struct nd_namespace_pmem, nsio);
 }
 
-static inline struct nd_namespace_blk *to_nd_namespace_blk(struct device *dev)
+static inline struct nd_namespace_blk *to_nd_namespace_blk(const struct device *dev)
 {
         return container_of(dev, struct nd_namespace_blk, common.dev);
 }