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>
diff --git a/doc/mkimage.1 b/doc/mkimage.1
index 0734bd3..fc84cca 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -158,7 +158,7 @@
.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" "]"
diff --git a/tools/imagetool.h b/tools/imagetool.h
index a410551..c3f80fc 100644
--- a/tools/imagetool.h
+++ b/tools/imagetool.h
@@ -71,7 +71,9 @@
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 */