[PATCH v4 01/16] keytoc: remove ECDSA dts support

[Sascha Hauer <s.hauer@pengutronix.de>]

Generating dts snippets for ECDSA keys does not work properly,
there are various endianess problems. As we do not need this currently
for barebox drop the support for now.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 scripts/keytoc.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/scripts/keytoc.c b/scripts/keytoc.c
index 60e177aeee..3ac42bc6d0 100644
--- a/scripts/keytoc.c
+++ b/scripts/keytoc.c
@@ -470,15 +470,8 @@ static int gen_key_ecdsa(EVP_PKEY *key, const char *key_name, const char *key_na
 		return -EINVAL;
 
 	if (dts) {
-		fprintf(outfilep, "\t\tkey-%s {\n", key_name_c);
-		fprintf(outfilep, "\t\t\tecdsa,x-point = <");
-		print_bignum(key_x, bits);
-		fprintf(outfilep, ">;\n");
-		fprintf(outfilep, "\t\t\tecdsa,y-point = <");
-		print_bignum(key_y, bits);
-		fprintf(outfilep, ">;\n");
-		fprintf(outfilep, "\t\t\tecdsa,curve = \"%s\";\n", group);
-		fprintf(outfilep, "\t\t};\n");
+		fprintf(stderr, "ERROR: generating a dts snippet for ECDSA keys is not yet supported\n");
+		return -EOPNOTSUPP;
 	} else {
 		fprintf(outfilep, "\nstatic uint32_t %s_x[] = {", key_name_c);
 		print_bignum(key_x, bits);
@@ -598,6 +591,9 @@ static int gen_key(const char *keyname, const char *path)
 	}
 
 	ret = gen_key_ecdsa(key, keyname, key_name_c);
+	if (ret == -EOPNOTSUPP)
+		return ret;
+
 	if (ret)
 		ret = gen_key_rsa(key, keyname, key_name_c);
 
-- 
2.39.2