diff --git a/drivers/crypto/amcc/crypto4xx_alg.c b/drivers/crypto/amcc/crypto4xx_alg.c
index 0c85a5123f85d976d6b808d24e78b12b5508b852..1d87deca32ed55be2290e186073b6ed183804566 100644
--- a/drivers/crypto/amcc/crypto4xx_alg.c
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
@@ -76,12 +76,16 @@ static void set_dynamic_sa_command_1(struct dynamic_sa_ctl *sa, u32 cm,
 }
 
 static inline int crypto4xx_crypt(struct skcipher_request *req,
-				  const unsigned int ivlen, bool decrypt)
+				  const unsigned int ivlen, bool decrypt,
+				  bool check_blocksize)
 {
 	struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(req);
 	struct crypto4xx_ctx *ctx = crypto_skcipher_ctx(cipher);
 	__le32 iv[AES_IV_SIZE];
 
+	if (check_blocksize && !IS_ALIGNED(req->cryptlen, AES_BLOCK_SIZE))
+		return -EINVAL;
+
 	if (ivlen)
 		crypto4xx_memcpy_to_le32(iv, req->iv, ivlen);
 
@@ -90,24 +94,34 @@ static inline int crypto4xx_crypt(struct skcipher_request *req,
 		ctx->sa_len, 0, NULL);
 }
 
-int crypto4xx_encrypt_noiv(struct skcipher_request *req)
+int crypto4xx_encrypt_noiv_block(struct skcipher_request *req)
+{
+	return crypto4xx_crypt(req, 0, false, true);
+}
+
+int crypto4xx_encrypt_iv_stream(struct skcipher_request *req)
+{
+	return crypto4xx_crypt(req, AES_IV_SIZE, false, false);
+}
+
+int crypto4xx_decrypt_noiv_block(struct skcipher_request *req)
 {
-	return crypto4xx_crypt(req, 0, false);
+	return crypto4xx_crypt(req, 0, true, true);
 }
 
-int crypto4xx_encrypt_iv(struct skcipher_request *req)
+int crypto4xx_decrypt_iv_stream(struct skcipher_request *req)
 {
-	return crypto4xx_crypt(req, AES_IV_SIZE, false);
+	return crypto4xx_crypt(req, AES_IV_SIZE, true, false);
 }
 
-int crypto4xx_decrypt_noiv(struct skcipher_request *req)
+int crypto4xx_encrypt_iv_block(struct skcipher_request *req)
 {
-	return crypto4xx_crypt(req, 0, true);
+	return crypto4xx_crypt(req, AES_IV_SIZE, false, true);
 }
 
-int crypto4xx_decrypt_iv(struct skcipher_request *req)
+int crypto4xx_decrypt_iv_block(struct skcipher_request *req)
 {
-	return crypto4xx_crypt(req, AES_IV_SIZE, true);
+	return crypto4xx_crypt(req, AES_IV_SIZE, true, true);
 }
 
 /**
@@ -278,8 +292,8 @@ crypto4xx_ctr_crypt(struct skcipher_request *req, bool encrypt)
 		return ret;
 	}
 
-	return encrypt ? crypto4xx_encrypt_iv(req)
-		       : crypto4xx_decrypt_iv(req);
+	return encrypt ? crypto4xx_encrypt_iv_stream(req)
+		       : crypto4xx_decrypt_iv_stream(req);
 }
 
 static int crypto4xx_sk_setup_fallback(struct crypto4xx_ctx *ctx,
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index febe719e2d67c4ccba540903f33f4ba693ea4f5f..6386e1784fe4198b385c063a93e4f5c3e2ca0ad4 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1153,8 +1153,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
 		.max_keysize = AES_MAX_KEY_SIZE,
 		.ivsize	= AES_IV_SIZE,
 		.setkey = crypto4xx_setkey_aes_cbc,
-		.encrypt = crypto4xx_encrypt_iv,
-		.decrypt = crypto4xx_decrypt_iv,
+		.encrypt = crypto4xx_encrypt_iv_block,
+		.decrypt = crypto4xx_decrypt_iv_block,
 		.init = crypto4xx_sk_init,
 		.exit = crypto4xx_sk_exit,
 	} },
@@ -1173,8 +1173,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
 		.max_keysize = AES_MAX_KEY_SIZE,
 		.ivsize	= AES_IV_SIZE,
 		.setkey	= crypto4xx_setkey_aes_cfb,
-		.encrypt = crypto4xx_encrypt_iv,
-		.decrypt = crypto4xx_decrypt_iv,
+		.encrypt = crypto4xx_encrypt_iv_stream,
+		.decrypt = crypto4xx_decrypt_iv_stream,
 		.init = crypto4xx_sk_init,
 		.exit = crypto4xx_sk_exit,
 	} },
@@ -1233,8 +1233,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
 		.min_keysize = AES_MIN_KEY_SIZE,
 		.max_keysize = AES_MAX_KEY_SIZE,
 		.setkey	= crypto4xx_setkey_aes_ecb,
-		.encrypt = crypto4xx_encrypt_noiv,
-		.decrypt = crypto4xx_decrypt_noiv,
+		.encrypt = crypto4xx_encrypt_noiv_block,
+		.decrypt = crypto4xx_decrypt_noiv_block,
 		.init = crypto4xx_sk_init,
 		.exit = crypto4xx_sk_exit,
 	} },
@@ -1253,8 +1253,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
 		.max_keysize = AES_MAX_KEY_SIZE,
 		.ivsize	= AES_IV_SIZE,
 		.setkey	= crypto4xx_setkey_aes_ofb,
-		.encrypt = crypto4xx_encrypt_iv,
-		.decrypt = crypto4xx_decrypt_iv,
+		.encrypt = crypto4xx_encrypt_iv_stream,
+		.decrypt = crypto4xx_decrypt_iv_stream,
 		.init = crypto4xx_sk_init,
 		.exit = crypto4xx_sk_exit,
 	} },
diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h
index e2ca56722f077242a0a356d14e15638db48ab49c..21a6bbcedc55db7741b770b91ab33e3a4750d86b 100644
--- a/drivers/crypto/amcc/crypto4xx_core.h
+++ b/drivers/crypto/amcc/crypto4xx_core.h
@@ -179,10 +179,12 @@ int crypto4xx_setkey_rfc3686(struct crypto_skcipher *cipher,
 			     const u8 *key, unsigned int keylen);
 int crypto4xx_encrypt_ctr(struct skcipher_request *req);
 int crypto4xx_decrypt_ctr(struct skcipher_request *req);
-int crypto4xx_encrypt_iv(struct skcipher_request *req);
-int crypto4xx_decrypt_iv(struct skcipher_request *req);
-int crypto4xx_encrypt_noiv(struct skcipher_request *req);
-int crypto4xx_decrypt_noiv(struct skcipher_request *req);
+int crypto4xx_encrypt_iv_stream(struct skcipher_request *req);
+int crypto4xx_decrypt_iv_stream(struct skcipher_request *req);
+int crypto4xx_encrypt_iv_block(struct skcipher_request *req);
+int crypto4xx_decrypt_iv_block(struct skcipher_request *req);
+int crypto4xx_encrypt_noiv_block(struct skcipher_request *req);
+int crypto4xx_decrypt_noiv_block(struct skcipher_request *req);
 int crypto4xx_rfc3686_encrypt(struct skcipher_request *req);
 int crypto4xx_rfc3686_decrypt(struct skcipher_request *req);
 int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm);