diff --git a/arch b/arch
index 994be48b7df..6d7ee8a1e94 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 994be48b7dfe1dffd1fa9fdfa8dd1468bf5d7b7b
+Subproject commit 6d7ee8a1e9445da89e4e6f96b019b535e96ec672
diff --git a/drivers/loop/Kconfig b/drivers/loop/Kconfig
index eeeb139882d..1a1dd2a1899 100644
--- a/drivers/loop/Kconfig
+++ b/drivers/loop/Kconfig
@@ -3,7 +3,7 @@
 # see the file kconfig-language.txt in the NuttX tools repository.
 #
 
-config EEV_LOOP
+config DEV_LOOP
 	bool "Enable loop device"
 	default n
 	---help---
diff --git a/include/nuttx/fs/loop.h b/include/nuttx/fs/loop.h
index 1a2a4aec6f5..ee1efd69f49 100644
--- a/include/nuttx/fs/loop.h
+++ b/include/nuttx/fs/loop.h
@@ -103,6 +103,9 @@ extern "C"
  * Public Function Prototypes
  ****************************************************************************/
 
+#ifdef __KERNEL__
+/* These are internal OS interface and are not available to applications */
+
 /****************************************************************************
  * Name: loop_register
  *
@@ -136,6 +139,7 @@ int losetup(FAR const char *devname, FAR const char *filename,
  ****************************************************************************/
 
 int loteardown(FAR const char *devname);
+#endif /* __KERNEL __ */
 
 #undef EXTERN
 #ifdef __cplusplus