From f0fbab7ca790f4f316bc2a9a44dc3a83f442664d Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Wed, 25 Nov 2015 00:43:11 +0200
Subject: [PATCH] extmod/fsusermount: Make configurable with
 MICROPY_FSUSERMOUNT.

---
 extmod/fsusermount.c  | 5 +++++
 py/mpconfig.h         | 5 +++++
 stmhal/mpconfigport.h | 1 +
 3 files changed, 11 insertions(+)

diff --git a/extmod/fsusermount.c b/extmod/fsusermount.c
index 2fc24be1b2..8153a551cb 100644
--- a/extmod/fsusermount.c
+++ b/extmod/fsusermount.c
@@ -24,6 +24,9 @@
  * THE SOFTWARE.
  */
 
+#include "py/mpconfig.h"
+#if MICROPY_FSUSERMOUNT
+
 #include "py/nlr.h"
 #include "py/runtime.h"
 #include "lib/fatfs/ff.h"
@@ -110,3 +113,5 @@ STATIC mp_obj_t pyb_mount(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *
     return mp_const_none;
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(pyb_mount_obj, 2, pyb_mount);
+
+#endif // MICROPY_FSUSERMOUNT
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 1453560e08..686f90c25d 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -469,6 +469,11 @@ typedef double mp_float_t;
 #define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (1)
 #endif
 
+// Support for user-space VFS mount (selected ports)
+#ifndef MICROPY_FSUSERMOUNT
+#define MICROPY_FSUSERMOUNT (0)
+#endif
+
 /*****************************************************************************/
 /* Fine control over Python builtins, classes, modules, etc                  */
 
diff --git a/stmhal/mpconfigport.h b/stmhal/mpconfigport.h
index fec2c1236d..8a22ee4610 100644
--- a/stmhal/mpconfigport.h
+++ b/stmhal/mpconfigport.h
@@ -54,6 +54,7 @@
 #define MICROPY_FATFS_RPATH            (2)
 #define MICROPY_FATFS_VOLUMES          (3)
 #define MICROPY_FATFS_MULTI_PARTITION  (1)
+#define MICROPY_FSUSERMOUNT            (1)
 
 #define MICROPY_STREAMS_NON_BLOCK   (1)
 #define MICROPY_MODULE_WEAK_LINKS   (1)