s/procfs: The procfs file system can now be configured so that it supports a runtime registration of procfs entries with CONFIG_FS_PROCFS_REGISTER=y

ChangeLog

@@ -11189,3 +11189,9 @@
 	* net/: Remove CONFIG_NET_PINGADDRCONF.  This was a uIP way of assigning
 	  IP addresses, but is not standard and not a appropriate feature in
 	  general (2015-12-01).
+	* fs/procfs:  The procfs file system can now be configured so that it
+	  supports a runtime registration of procfs entries with
+	  CONFIG_FS_PROCFS_REGISTER=y (2015-12-01).
+	* arch/arm/src/stm32/stm32_ccm_procfs.c: Is no longer a part of the
+	  'base' procfs entries and can now only be supported via run time
+	  registration with CONFIG_FS_PROCFS_REGISTER=y (2015-12-01).

fs/procfs/Kconfig

@@ -15,6 +15,13 @@ config FS_PROCFS
 
 if FS_PROCFS
 
+config FS_PROCFS_REGISTER
+	bool "Run-time registration"
+	default n
+	---help---
+		Support run-time registration of the new entries in the procfs file
+		system.
+
 menu "Exclude individual procfs entries"
 
 config FS_PROCFS_EXCLUDE_PROCESS
@@ -59,10 +66,5 @@ config FS_PROCFS_EXCLUDE_SMARTFS
 	depends on FS_SMARTFS
 	default n
 
-config FS_PROCFS_EXCLUDE_CCM
-	bool "Exclude CCM memory usage"
-	depends on STM32_CCM_PROCFS
-	default n
-
 endmenu #
 endif # FS_PROCFS

include/nuttx/fs/procfs.h

@@ -180,6 +180,24 @@ size_t procfs_memcpy(FAR const char *src, size_t srclen,
                      FAR char *dest, size_t destlen,
                      off_t *offset);
 
+/****************************************************************************
+ * Name: procfs_register
+ *
+ * Description:
+ *   Add a new entry to the procfs file system.
+ *
+ * Input Parameters:
+ *   entry - Describes the entry to be registered.
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_FS_PROCFS_REGISTER
+int procfs_register(FAR const struct procfs_file_s *entry);
+#endif
+
 #undef EXTERN
 #ifdef __cplusplus
 }