Merge tag 'dm-pull-5dec18' of git://git.denx.de/u-boot-dm

[platform/kernel/u-boot.git] / include / command.h

diff --git a/include/command.h b/include/command.h
index 56499b8..200c7a5 100644 (file)
--- a/include/command.h
+++ b/include/command.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2000-2009
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -68,7 +67,9 @@ extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *
  *
  * @cmdtp: Command which caused the error
  * @err: Error code (0 if none, -ve for error, like -EIO)
- * @return 0 if there is not error, 1 (CMD_RET_FAILURE) if an error is found
+ * @return 0 (CMD_RET_SUCCESS) if there is not error,
+ *        1 (CMD_RET_FAILURE) if an error is found
+ *        -1 (CMD_RET_USAGE) if 'usage' error is found
  */
 int cmd_process_error(cmd_tbl_t *cmdtp, int err);