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mkimage: Improve documentation of algo-name parameter

Addresses the feedback provided on 5902a397d029 ("mkimage: Allow to
specify the signature algorithm on the command line") which raced with
the merge.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Jan Kiszka 2 years ago
parent
commit
32a711dbdb
2 changed files with 4 additions and 2 deletions
  1. 1 1
      doc/mkimage.1
  2. 3 1
      tools/imagetool.h

+ 1 - 1
doc/mkimage.1

@@ -158,7 +158,7 @@ CONFIG_OF_CONTROL in U-Boot.
 .TP
 .BI "\-o [" "signing algorithm" "]"
 Specifies the algorithm to be used for signing a FIT image. The default is
-taken from the target signature nodes 'algo' properties.
+taken from the signature node's 'algo' property.
 
 .TP
 .BI "\-p [" "external position" "]"

+ 3 - 1
tools/imagetool.h

@@ -71,7 +71,9 @@ struct image_tool_params {
 	const char *keydest;	/* Destination .dtb for public key */
 	const char *keyfile;	/* Filename of private or public key */
 	const char *comment;	/* Comment to add to signature node */
-	const char *algo_name;	/* Algorithm name to use hashing/signing */
+	/* Algorithm name to use for hashing/signing or NULL to use the one
+	 * specified in the its */
+	const char *algo_name;
 	int require_keys;	/* 1 to mark signing keys as 'required' */
 	int file_size;		/* Total size of output file */
 	int orig_file_size;	/* Original size for file before padding */