X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fcommand.h;h=200c7a5e9f4ed90e05474e69f7437f703e60e8c4;hb=2a055ea53260ac8addeeb94eb671172844bc9106;hp=56499b8ad5ca17bc61a4422f82afe9e72f3b2aad;hpb=e294ba0678359bc32085c1714329af37e33e8f16;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/command.h b/include/command.h
index 56499b8..200c7a5 100644
--- 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);