5 files changed, 4 insertions, 58 deletions

diff --git a/drivers/crypto/bcm/Makefile b/drivers/crypto/bcm/Makefile
index 13cb80eb2665..7469e19afe85 100644
--- a/drivers/crypto/bcm/Makefile
+++ b/drivers/crypto/bcm/Makefile
@@ -11,5 +11,3 @@
 obj-$(CONFIG_CRYPTO_DEV_BCM_SPU) := bcm_crypto_spu.o
 
 bcm_crypto_spu-objs :=  util.o spu.o spu2.o cipher.o
-
-ccflags-y += -I. -DBCMDRIVER
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 5567cbda2798..28f592f7e1b7 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -717,7 +717,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
 	 */
 	unsigned int new_data_len;
 
-	unsigned int chunk_start = 0;
+	unsigned int __maybe_unused chunk_start = 0;
 	u32 db_size;	 /* Length of data field, incl gcm and hash padding */
 	int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
 	u32 data_pad_len = 0;	/* length of GCM/CCM padding */
@@ -1675,8 +1675,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
 	struct spu_hw *spu = &iproc_priv.spu;
 	struct brcm_message *mssg = msg;
 	struct iproc_reqctx_s *rctx;
-	struct iproc_ctx_s *ctx;
-	struct crypto_async_request *areq;
 	int err = 0;
 
 	rctx = mssg->ctx;
@@ -1686,8 +1684,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
 		err = -EFAULT;
 		goto cb_finish;
 	}
-	areq = rctx->parent;
-	ctx = rctx->ctx;
 
 	/* process the SPU status */
 	err = spu->spu_status_process(rctx->msg_buf.rx_stat);
@@ -1822,7 +1818,7 @@ static int des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
 	if (keylen == DES_KEY_SIZE) {
 		if (des_ekey(tmp, key) == 0) {
 			if (crypto_ablkcipher_get_flags(cipher) &
-			    CRYPTO_TFM_REQ_WEAK_KEY) {
+			    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) {
 				u32 flags = CRYPTO_TFM_RES_WEAK_KEY;
 
 				crypto_ablkcipher_set_flags(cipher, flags);
@@ -2876,7 +2872,7 @@ static int aead_authenc_setkey(struct crypto_aead *cipher,
 
 			if (des_ekey(tmp, keys.enckey) == 0) {
 				if (crypto_aead_get_flags(cipher) &
-				    CRYPTO_TFM_REQ_WEAK_KEY) {
+				    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) {
 					crypto_aead_set_flags(cipher, flags);
 					return -EINVAL;
 				}
diff --git a/drivers/crypto/bcm/cipher.h b/drivers/crypto/bcm/cipher.h
index 763c425c41ca..f6da49758954 100644
--- a/drivers/crypto/bcm/cipher.h
+++ b/drivers/crypto/bcm/cipher.h
@@ -23,6 +23,7 @@
 #include <crypto/aes.h>
 #include <crypto/internal/hash.h>
 #include <crypto/aead.h>
+#include <crypto/arc4.h>
 #include <crypto/gcm.h>
 #include <crypto/sha.h>
 #include <crypto/sha3.h>
@@ -34,9 +35,6 @@
 /* Driver supports up to MAX_SPUS SPU blocks */
 #define MAX_SPUS 16
 
-#define ARC4_MIN_KEY_SIZE   1
-#define ARC4_MAX_KEY_SIZE   256
-#define ARC4_BLOCK_SIZE     1
 #define ARC4_STATE_SIZE     4
 
 #define CCM_AES_IV_SIZE    16
diff --git a/drivers/crypto/bcm/util.c b/drivers/crypto/bcm/util.c
index a912c6ad3e85..d8cda5fb75ad 100644
--- a/drivers/crypto/bcm/util.c
+++ b/drivers/crypto/bcm/util.c
@@ -201,46 +201,6 @@ struct sdesc {
 	char ctx[];
 };
 
-/* do a synchronous decrypt operation */
-int do_decrypt(char *alg_name,
-	       void *key_ptr, unsigned int key_len,
-	       void *iv_ptr, void *src_ptr, void *dst_ptr,
-	       unsigned int block_len)
-{
-	struct scatterlist sg_in[1], sg_out[1];
-	struct crypto_blkcipher *tfm =
-	    crypto_alloc_blkcipher(alg_name, 0, CRYPTO_ALG_ASYNC);
-	struct blkcipher_desc desc = {.tfm = tfm, .flags = 0 };
-	int ret = 0;
-	void *iv;
-	int ivsize;
-
-	flow_log("%s() name:%s block_len:%u\n", __func__, alg_name, block_len);
-
-	if (IS_ERR(tfm))
-		return PTR_ERR(tfm);
-
-	crypto_blkcipher_setkey((void *)tfm, key_ptr, key_len);
-
-	sg_init_table(sg_in, 1);
-	sg_set_buf(sg_in, src_ptr, block_len);
-
-	sg_init_table(sg_out, 1);
-	sg_set_buf(sg_out, dst_ptr, block_len);
-
-	iv = crypto_blkcipher_crt(tfm)->iv;
-	ivsize = crypto_blkcipher_ivsize(tfm);
-	memcpy(iv, iv_ptr, ivsize);
-
-	ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in, block_len);
-	crypto_free_blkcipher(tfm);
-
-	if (ret < 0)
-		pr_err("aes_decrypt failed %d\n", ret);
-
-	return ret;
-}
-
 /**
  * do_shash() - Do a synchronous hash operation in software
  * @name:       The name of the hash algorithm
diff --git a/drivers/crypto/bcm/util.h b/drivers/crypto/bcm/util.h
index 712e029795f8..15c60356518a 100644
--- a/drivers/crypto/bcm/util.h
+++ b/drivers/crypto/bcm/util.h
@@ -95,12 +95,6 @@ u32 spu_msg_sg_add(struct scatterlist **to_sg,
 
 void add_to_ctr(u8 *ctr_pos, unsigned int increment);
 
-/* do a synchronous decrypt operation */
-int do_decrypt(char *alg_name,
-	       void *key_ptr, unsigned int key_len,
-	       void *iv_ptr, void *src_ptr, void *dst_ptr,
-	       unsigned int block_len);
-
 /* produce a message digest from data of length n bytes */
 int do_shash(unsigned char *name, unsigned char *result,
 	     const u8 *data1, unsigned int data1_len,