[U-Boot] [PATCH v2 05/10] kconfig: move CONFIG_CMD_EXPORTENV to Kconfig

[Masahiro Yamada]

Since CONFIG_CMD_EXPORTENV is defined in config_cmd_defaults.h,
it should be enabled for all the boards except bf506f-ezkit
that undefs it explicitely.

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
Acked-by: Simon Glass <sjg at chromium.org>
Tested-by: Simon Glass <sjg at chromium.org>
---

Changes in v2:
  - Add a help doc

 common/Kconfig                 | 6 ++++++
 configs/bf506f-ezkit_defconfig | 1 +
 include/config_cmd_defaults.h  | 1 -
 include/configs/bf506f-ezkit.h | 1 -
 4 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/common/Kconfig b/common/Kconfig
index 5dfac25..f628315 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -13,4 +13,10 @@ config CMD_CRC32
 	help
 	  Compute CRC32.
 
+config CMD_EXPORTENV
+	bool "Enable env export command"
+	default y
+	help
+	  Export environments.
+
 endmenu
diff --git a/configs/bf506f-ezkit_defconfig b/configs/bf506f-ezkit_defconfig
index da25718..09c9899 100644
--- a/configs/bf506f-ezkit_defconfig
+++ b/configs/bf506f-ezkit_defconfig
@@ -1,3 +1,4 @@
 CONFIG_BLACKFIN=y
 CONFIG_TARGET_BF506F_EZKIT=y
 # CONFIG_CMD_BOOTM is not set
+# CONFIG_CMD_EXPORTENV is not set
diff --git a/include/config_cmd_defaults.h b/include/config_cmd_defaults.h
index 896d4e5..5761d7c 100644
--- a/include/config_cmd_defaults.h
+++ b/include/config_cmd_defaults.h
@@ -9,7 +9,6 @@
 #ifndef _CONFIG_CMD_DEFAULTS_H_
 #define _CONFIG_CMD_DEFAULTS_H_
 
-#define CONFIG_CMD_EXPORTENV 1
 #define CONFIG_CMD_GO 1
 #define CONFIG_CMD_IMPORTENV 1
 
diff --git a/include/configs/bf506f-ezkit.h b/include/configs/bf506f-ezkit.h
index fdd10c3..f9936a7 100644
--- a/include/configs/bf506f-ezkit.h
+++ b/include/configs/bf506f-ezkit.h
@@ -85,7 +85,6 @@
  */
 #define CONFIG_ENV_IS_NOWHERE
 #define CONFIG_ENV_SIZE 0x400
-#undef CONFIG_CMD_EXPORTENV
 #undef CONFIG_CMD_IMPORTENV
 
 
-- 
1.9.1