From 9701e66e5c48130c327b4aa54d3a4cdd27ad53e3 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 29 Nov 2015 09:47:36 -0600
Subject: [PATCH] SAMV71-XULT and STM32F4Discovery:  Automatically mount procfs
 on startup

---
 configs/samv71-xult/src/sam_bringup.c           | 11 +++++++++++
 configs/samv71-xult/src/samv71-xult.h           | 10 ++++++++++
 configs/stm32f4discovery/src/stm32_bringup.c    | 12 ++++++++++++
 configs/stm32f4discovery/src/stm32f4discovery.h | 12 +++++++++++-
 4 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/configs/samv71-xult/src/sam_bringup.c b/configs/samv71-xult/src/sam_bringup.c
index f525e700fc..1074d76fa5 100644
--- a/configs/samv71-xult/src/sam_bringup.c
+++ b/configs/samv71-xult/src/sam_bringup.c
@@ -193,6 +193,17 @@ int sam_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_FS_PROCFS
+  /* Mount the procfs file system */
+
+  ret = mount(NULL, SAMV71_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      SYSLOG("ERROR: Failed to mount procfs at %s: %d\n",
+             SAMV71_PROCFS_MOUNTPOINT, ret);
+    }
+#endif
+
 #ifdef HAVE_MTDCONFIG
   /* Create an AT24xx-based MTD configuration device for storage device
    * configuration information.
diff --git a/configs/samv71-xult/src/samv71-xult.h b/configs/samv71-xult/src/samv71-xult.h
index 060bc458ee..4b74c62559 100644
--- a/configs/samv71-xult/src/samv71-xult.h
+++ b/configs/samv71-xult/src/samv71-xult.h
@@ -188,6 +188,16 @@
 #  undef HAVE_MTDCONFIG
 #endif
 
+/* procfs File System */
+
+#ifdef CONFIG_FS_PROCFS
+#  ifdef CONFIG_NSH_PROC_MOUNTPOINT
+#    define SAMV71_PROCFS_MOUNTPOINT CONFIG_NSH_PROC_MOUNTPOINT
+#  else
+#    define SAMV71_PROCFS_MOUNTPOINT "/proc"
+#  endif
+#endif
+
 /* S25FL1 QuadSPI FLASH */
 
 #ifndef CONFIG_MTD_S25FL1
diff --git a/configs/stm32f4discovery/src/stm32_bringup.c b/configs/stm32f4discovery/src/stm32_bringup.c
index c296d1ea77..dc2e7c9f18 100644
--- a/configs/stm32f4discovery/src/stm32_bringup.c
+++ b/configs/stm32f4discovery/src/stm32_bringup.c
@@ -177,5 +177,17 @@ int stm32_bringup(void)
 #ifdef CONFIG_MAX6675
   ret = stm32_max6675initialize("/dev/temp0");
 #endif
+
+#ifdef CONFIG_FS_PROCFS
+  /* Mount the procfs file system */
+
+  ret = mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      sdbg("ERROR: Failed to mount procfs at %s: %d\n",
+           STM32_PROCFS_MOUNTPOINT, ret);
+    }
+#endif
+
   return ret;
 }
diff --git a/configs/stm32f4discovery/src/stm32f4discovery.h b/configs/stm32f4discovery/src/stm32f4discovery.h
index 49d629e356..73024bc40b 100644
--- a/configs/stm32f4discovery/src/stm32f4discovery.h
+++ b/configs/stm32f4discovery/src/stm32f4discovery.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * configs/stm32f4discovery/src/stm32f4discovery.h
  *
- *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011-2012, 2015 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -171,6 +171,16 @@
 #  undef HAVE_NETMONITOR
 #endif
 
+/* procfs File System */
+
+#ifdef CONFIG_FS_PROCFS
+#  ifdef CONFIG_NSH_PROC_MOUNTPOINT
+#    define STM32_PROCFS_MOUNTPOINT CONFIG_NSH_PROC_MOUNTPOINT
+#  else
+#    define STM32_PROCFS_MOUNTPOINT "/proc"
+#  endif
+#endif
+
 /* STM32F4 Discovery GPIOs **************************************************/
 /* LEDs */