[PATCH V2] env: Switch the callback static list to Kconfig

[Christoph Niedermaier]

Switch the callback static list from the board configuration variable
CFG_ENV_CALLBACK_LIST_STATIC to Kconfig CONFIG_ENV_CALLBACK_LIST_STATIC.

Signed-off-by: Christoph Niedermaier <cniedermaier at dh-electronics.com>
Reviewed-by: Marek Vasut <marex at denx.de>
---
Cc: Joe Hershberger <joe.hershberger at ni.com>
Cc: Marek Vasut <marex at denx.de>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at dh-electronics.com
---
V2: - Fix typo in commit message
---
 doc/develop/environment.rst |  4 ++--
 env/Kconfig                 | 13 +++++++++++++
 include/env_callback.h      |  7 +------
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/doc/develop/environment.rst b/doc/develop/environment.rst
index e1783462bb..e46cd39d60 100644
--- a/doc/develop/environment.rst
+++ b/doc/develop/environment.rst
@@ -18,8 +18,8 @@ The callbacks are named and associated with a function using the
 U_BOOT_ENV_CALLBACK macro in your board or driver code.
 
 These callbacks are associated with variables in one of two ways.  The
-static list can be added to by defining CFG_ENV_CALLBACK_LIST_STATIC
-in the board configuration to a string that defines a list of
+static list can be added to by defining CONFIG_ENV_CALLBACK_LIST_STATIC
+in the board defconfig via menuconfig to a string that defines a list of
 associations.  The list must be in the following format::
 
     entry = variable_name[:callback_name]
diff --git a/env/Kconfig b/env/Kconfig
index 031cf58186..aaf0b1fe9a 100644
--- a/env/Kconfig
+++ b/env/Kconfig
@@ -21,6 +21,19 @@ config ENV_SOURCE_FILE
 	  environment is assumed to come from the ad-hoc
 	  CFG_EXTRA_ENV_SETTINGS #define
 
+config ENV_CALLBACK_LIST_STATIC
+	string "Static callbacks list"
+	default ""
+	help
+	  The environment callbacks are associated with variables in a
+	  static list. Define this list in the following format:
+
+	  entry = variable_name[:callback_name]
+	  list = entry[,list]
+
+	  If the callback name is not specified, then the callback is deleted.
+	  Spaces are also allowed anywhere in the list.
+
 config SAVEENV
 	def_bool y if CMD_SAVEENV
 
diff --git a/include/env_callback.h b/include/env_callback.h
index bc8ff1923e..47a31f6cf5 100644
--- a/include/env_callback.h
+++ b/include/env_callback.h
@@ -14,11 +14,6 @@
 
 #define ENV_CALLBACK_VAR ".callbacks"
 
-/* Board configs can define additional static callback bindings */
-#ifndef CFG_ENV_CALLBACK_LIST_STATIC
-#define CFG_ENV_CALLBACK_LIST_STATIC
-#endif
-
 #ifdef CONFIG_SILENT_CONSOLE
 #define SILENT_CALLBACK "silent:silent,"
 #else
@@ -90,7 +85,7 @@
 	SILENT_CALLBACK \
 	"stdin:console,stdout:console,stderr:console," \
 	"serial#:serialno," \
-	CFG_ENV_CALLBACK_LIST_STATIC
+	CONFIG_ENV_CALLBACK_LIST_STATIC
 
 #ifndef CONFIG_XPL_BUILD
 void env_callback_init(struct env_entry *var_entry);
-- 
2.30.2