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authorGilad Ben-Yossef <gilad@benyossef.com>2018-07-24 15:12:44 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2018-08-03 18:06:05 +0800
commitf5c19df90ae7fc21d3dcf50af9d6b456aa6b3351 (patch)
tree0c133d85a528eb412f67af2912e38ee89c9ee343 /drivers/crypto/ccree/cc_cipher.c
parentcrypto: ccree - drop useless type flag during reg (diff)
downloadlinux-dev-f5c19df90ae7fc21d3dcf50af9d6b456aa6b3351.tar.xz
linux-dev-f5c19df90ae7fc21d3dcf50af9d6b456aa6b3351.zip
crypto: ccree - remove cipher ivgen left overs
IV generation is not available via the skcipher interface. Remove the left over support of it from the ablkcipher days. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_cipher.c')
-rw-r--r--drivers/crypto/ccree/cc_cipher.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
index eb99633570b5..64740dd6f5f1 100644
--- a/drivers/crypto/ccree/cc_cipher.c
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -743,14 +743,6 @@ static int cc_cipher_process(struct skcipher_request *req,
cc_setup_cipher_data(tfm, req_ctx, dst, src, nbytes, req, desc,
&seq_len);
- /* do we need to generate IV? */
- if (req_ctx->is_giv) {
- cc_req.ivgen_dma_addr[0] = req_ctx->gen_ctx.iv_dma_addr;
- cc_req.ivgen_dma_addr_len = 1;
- /* set the IV size (8/16 B long)*/
- cc_req.ivgen_size = ivsize;
- }
-
/* STAT_PHASE_3: Lock HW and push sequence */
rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len,
@@ -775,7 +767,6 @@ static int cc_cipher_encrypt(struct skcipher_request *req)
{
struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req);
- req_ctx->is_giv = false;
req_ctx->backup_info = NULL;
return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
@@ -807,8 +798,6 @@ static int cc_cipher_decrypt(struct skcipher_request *req)
req_ctx->backup_info = NULL;
}
- req_ctx->is_giv = false;
-
return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT);
}