ltq-deu: fix 6.12 kernel build warnings on lantiq/xrx200

This patch fixes various missing-prototypes build warnings by:

* Mark some functions as static.
* Add missing prototypes.

Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/18744
Signed-off-by: Robert Marko <[email protected]>
(cherry picked from commit d81f8e159a338318c690a1b9720a33544cfa612d)
Signed-off-by: Nora Matthias Schiffer <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20440
Signed-off-by: Hauke Mehrtens <[email protected]>

package/kernel/lantiq/ltq-deu/src/ifxmips_aes.c

@@ -148,7 +148,7 @@ extern int disable_multiblock;
  *  \param key_len key lengths of 16, 24 and 32 bytes supported  
  *  \return -EINVAL - bad key length, 0 - SUCCESS
 */                                 
-int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
+static int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
 
@@ -177,7 +177,7 @@ int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
  *  \param key_len key lengths of 16, 24 and 32 bytes supported
  *  \return -EINVAL - bad key length, 0 - SUCCESS
 */
-int aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
+static int aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
 {
     return aes_set_key(crypto_skcipher_tfm(tfm), in_key, key_len);
 }
@@ -189,7 +189,7 @@ int aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigne
  *  \param ctx_arg crypto algo context  
  *  \return
 */
-void aes_set_key_hw (void *ctx_arg)
+static void aes_set_key_hw (void *ctx_arg)
 {
     /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
     volatile struct aes_t *aes = (volatile struct aes_t *) AES_START;
@@ -343,7 +343,7 @@ void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
  *  \return 0 - SUCCESS
  *          -EINVAL - bad key length
 */                                 
-int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
+static int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
 
@@ -376,7 +376,7 @@ int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsi
  *  \return 0 - SUCCESS
  *          -EINVAL - bad key length
 */
-int ctr_rfc3686_aes_set_key_skcipher (struct crypto_skcipher *tfm, const uint8_t *in_key, unsigned int key_len)
+static int ctr_rfc3686_aes_set_key_skcipher (struct crypto_skcipher *tfm, const uint8_t *in_key, unsigned int key_len)
 {
     return ctr_rfc3686_aes_set_key(crypto_skcipher_tfm(tfm), in_key, key_len);
 }
@@ -413,7 +413,7 @@ int ctr_rfc3686_aes_set_key_skcipher (struct crypto_skcipher *tfm, const uint8_t
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
         uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_aes (ctx, dst, src, NULL, nbytes, encdec, 0);
@@ -430,7 +430,7 @@ void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
         uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 1);
@@ -447,7 +447,7 @@ void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
         uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 2);
@@ -464,7 +464,7 @@ void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
         uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 3);
@@ -481,7 +481,7 @@ void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
         uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 4);
@@ -494,7 +494,7 @@ void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param out output bytestream
  *  \param in input bytestream
 */
-void ifx_deu_aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
+static void ifx_deu_aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
     ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE,
@@ -508,7 +508,7 @@ void ifx_deu_aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *i
  *  \param out output bytestream
  *  \param in input bytestream
 */
-void ifx_deu_aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
+static void ifx_deu_aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
     ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE,
@@ -544,7 +544,7 @@ struct crypto_alg ifxdeu_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int ecb_aes_encrypt(struct skcipher_request *req)
+static int ecb_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -570,7 +570,7 @@ int ecb_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int ecb_aes_decrypt(struct skcipher_request *req)
+static int ecb_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -615,7 +615,7 @@ struct skcipher_alg ifxdeu_ecb_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int cbc_aes_encrypt(struct skcipher_request *req)
+static int cbc_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -642,7 +642,7 @@ int cbc_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int cbc_aes_decrypt(struct skcipher_request *req)
+static int cbc_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -694,7 +694,7 @@ struct skcipher_alg ifxdeu_cbc_aes_alg = {
  *  \param encdec 1 for encrypt; 0 for decrypt
  *
 */
-void ifx_deu_aes_xts (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
+static void ifx_deu_aes_xts (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
         u8 *iv_arg, size_t nbytes, int encdec)
 {
     /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
@@ -797,7 +797,7 @@ void ifx_deu_aes_xts (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
  *  \param req skcipher request
  *  \return err
 */
-int xts_aes_encrypt(struct skcipher_request *req)
+static int xts_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -853,7 +853,7 @@ int xts_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int xts_aes_decrypt(struct skcipher_request *req)
+static int xts_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -911,7 +911,7 @@ int xts_aes_decrypt(struct skcipher_request *req)
  *  \param key_len key lengths of 16, 24 and 32 bytes supported
  *  \return -EINVAL - bad key length, 0 - SUCCESS
 */
-int xts_aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
+static int xts_aes_set_key_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(crypto_skcipher_tfm(tfm));
     unsigned int keylen = (key_len / 2);
@@ -958,7 +958,7 @@ struct skcipher_alg ifxdeu_xts_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int ofb_aes_encrypt(struct skcipher_request *req)
+static int ofb_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -991,7 +991,7 @@ int ofb_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int ofb_aes_decrypt(struct skcipher_request *req)
+static int ofb_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1046,7 +1046,7 @@ struct skcipher_alg ifxdeu_ofb_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int cfb_aes_encrypt(struct skcipher_request *req)
+static int cfb_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1079,7 +1079,7 @@ int cfb_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int cfb_aes_decrypt(struct skcipher_request *req)
+static int cfb_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1134,7 +1134,7 @@ struct skcipher_alg ifxdeu_cfb_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int ctr_basic_aes_encrypt(struct skcipher_request *req)
+static int ctr_basic_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1167,7 +1167,7 @@ int ctr_basic_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int ctr_basic_aes_decrypt(struct skcipher_request *req)
+static int ctr_basic_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1221,7 +1221,7 @@ struct skcipher_alg ifxdeu_ctr_basic_aes_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int ctr_rfc3686_aes_encrypt(struct skcipher_request *req)
+static int ctr_rfc3686_aes_encrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1264,7 +1264,7 @@ int ctr_rfc3686_aes_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int ctr_rfc3686_aes_decrypt(struct skcipher_request *req)
+static int ctr_rfc3686_aes_decrypt(struct skcipher_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1576,7 +1576,7 @@ static struct shash_alg ifxdeu_cbcmac_aes_alg = {
  *  \param key_len key lengths of 16, 24 and 32 bytes supported
  *  \return -EINVAL - bad key length, 0 - SUCCESS
 */
-int aes_set_key_aead (struct crypto_aead *aead, const u8 *in_key, unsigned int key_len)
+static int aes_set_key_aead (struct crypto_aead *aead, const u8 *in_key, unsigned int key_len)
 {
     struct aes_ctx *ctx = crypto_aead_ctx(aead);
     int err;
@@ -1601,7 +1601,7 @@ int aes_set_key_aead (struct crypto_aead *aead, const u8 *in_key, unsigned int k
  *  \param in_key input authsize
  *  \return -EINVAL - bad authsize length, 0 - SUCCESS
 */
-int gcm_aes_setauthsize (struct crypto_aead *aead, unsigned int authsize)
+static int gcm_aes_setauthsize (struct crypto_aead *aead, unsigned int authsize)
 {
     return crypto_gcm_check_authsize(authsize);
 }
@@ -1612,7 +1612,7 @@ int gcm_aes_setauthsize (struct crypto_aead *aead, unsigned int authsize)
  *  \param req aead request
  *  \return err
 */
-int gcm_aes_encrypt(struct aead_request *req)
+static int gcm_aes_encrypt(struct aead_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;
@@ -1726,7 +1726,7 @@ int gcm_aes_encrypt(struct aead_request *req)
  *  \param req aead request
  *  \return err
 */
-int gcm_aes_decrypt(struct aead_request *req)
+static int gcm_aes_decrypt(struct aead_request *req)
 {
     struct aes_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
     struct skcipher_walk walk;

package/kernel/lantiq/ltq-deu/src/ifxmips_des.c

@@ -126,7 +126,7 @@ extern int disable_deudma;
  *  \param key input key  
  *  \param keylen key length  
 */                                 
-int des_setkey(struct crypto_tfm *tfm, const u8 *key,
+static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
                       unsigned int keylen)
 {
         struct ifx_deu_des_ctx *dctx = crypto_tfm_ctx(tfm);
@@ -161,7 +161,7 @@ int des_setkey(struct crypto_tfm *tfm, const u8 *key,
  *  \param key_len key lengths of 16, 24 and 32 bytes supported
  *  \return -EINVAL - bad key length, 0 - SUCCESS
 */
-int des_setkey_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
+static int des_setkey_skcipher (struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len)
 {
     return des_setkey(crypto_skcipher_tfm(tfm), in_key, key_len);
 }
@@ -296,7 +296,7 @@ void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */
-void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
                 uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_des (ctx, dst, src, NULL, nbytes, encdec, 0);
@@ -313,7 +313,7 @@ void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
+static void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
                 uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 1);
@@ -330,11 +330,13 @@ void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
-void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
+/*
+static void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
                 uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 2);
 }
+*/
 
 /*! \fn void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
     \ingroup IFX_DES_FUNCTIONS
@@ -347,11 +349,13 @@ void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src,
     \param encdec 1 for encrypt; 0 for decrypt  
     \param inplace not used  
 */                                 
-void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
+/*
+static void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
                 uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 3);
 }
+*/
 
 /*! \fn void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
  *  \ingroup IFX_DES_FUNCTIONS
@@ -364,11 +368,13 @@ void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param encdec 1 for encrypt; 0 for decrypt  
  *  \param inplace not used  
 */                                 
+/*
 void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
                 uint8_t *iv, size_t nbytes, int encdec, int inplace)
 {
      ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4);
 }
+*/
 
 /*! \fn void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
  *  \ingroup IFX_DES_FUNCTIONS
@@ -377,7 +383,7 @@ void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src,
  *  \param out output bytestream  
  *  \param in input bytestream  
 */                                               
-void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
+static void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
 {
      struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(tfm);
      ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE,
@@ -392,7 +398,7 @@ void ifx_deu_des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t *
  *  \param out output bytestream  
  *  \param in input bytestream  
 */                                               
-void ifx_deu_des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
+static void ifx_deu_des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in)
 {
      struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(tfm);
      ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE,
@@ -420,7 +426,7 @@ void ifx_deu_des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t *
  *  \param key input key  
  *  \param keylen key length  
 */                                 
-int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key,
+static int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key,
                     unsigned int keylen)
 {
         struct ifx_deu_des_ctx *dctx = crypto_tfm_ctx(tfm);
@@ -454,7 +460,7 @@ int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key,
  *  \param key input key
  *  \param keylen key length
 */
-int des3_ede_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
+static int des3_ede_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
                     unsigned int keylen)
 {
         return des3_ede_setkey(crypto_skcipher_tfm(tfm), key, keylen);
@@ -508,7 +514,7 @@ struct crypto_alg ifxdeu_des3_ede_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int ecb_des_encrypt(struct skcipher_request *req)
+static int ecb_des_encrypt(struct skcipher_request *req)
 {
         struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
         struct skcipher_walk walk;
@@ -534,7 +540,7 @@ int ecb_des_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int ecb_des_decrypt(struct skcipher_request *req)
+static int ecb_des_decrypt(struct skcipher_request *req)
 {
         struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
         struct skcipher_walk walk;
@@ -599,7 +605,7 @@ struct skcipher_alg ifxdeu_ecb_des3_ede_alg = {
  *  \param req skcipher request
  *  \return err
 */
-int cbc_des_encrypt(struct skcipher_request *req)
+static int cbc_des_encrypt(struct skcipher_request *req)
 {
         struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
         struct skcipher_walk walk;
@@ -627,7 +633,7 @@ int cbc_des_encrypt(struct skcipher_request *req)
  *  \param req skcipher request
  *  \return err
 */
-int cbc_des_decrypt(struct skcipher_request *req)
+static int cbc_des_decrypt(struct skcipher_request *req)
 {
         struct ifx_deu_des_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
         struct skcipher_walk walk;

package/kernel/lantiq/ltq-deu/src/ifxmips_deu_vr9.h

@@ -321,4 +321,7 @@ struct deu_dma_t {
 	} controlr;
 };
 
+u32 input_swap(u32 input);
+void chip_version(void);
+
 #endif /* IFXMIPS_DEU_VR9_H */