diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 176ab3878583..208fa8dce7f7 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -80,9 +80,9 @@ struct atmel_aes_caps { - bool has_dualbuff; - bool has_cfb64; - u32 max_burst_size; + bool has_dualbuff; + bool has_cfb64; + u32 max_burst_size; }; struct atmel_aes_dev; @@ -92,13 +92,11 @@ typedef int (*atmel_aes_fn_t)(struct atmel_aes_dev *); struct atmel_aes_base_ctx { - struct atmel_aes_dev *dd; - atmel_aes_fn_t start; - - int keylen; - u32 key[AES_KEYSIZE_256 / sizeof(u32)]; - - u16 block_size; + struct atmel_aes_dev *dd; + atmel_aes_fn_t start; + int keylen; + u32 key[AES_KEYSIZE_256 / sizeof(u32)]; + u16 block_size; }; struct atmel_aes_ctx { @@ -106,7 +104,7 @@ struct atmel_aes_ctx { }; struct atmel_aes_reqctx { - unsigned long mode; + unsigned long mode; }; struct atmel_aes_dma { @@ -131,7 +129,7 @@ struct atmel_aes_dev { struct device *dev; struct clk *iclk; - int irq; + int irq; unsigned long flags; @@ -155,7 +153,7 @@ struct atmel_aes_dev { struct atmel_aes_caps caps; - u32 hw_version; + u32 hw_version; }; struct atmel_aes_drv { @@ -782,11 +780,11 @@ static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd) static int atmel_aes_crypt(struct ablkcipher_request *req, unsigned long mode) { - struct atmel_aes_base_ctx *ctx = crypto_ablkcipher_ctx( - crypto_ablkcipher_reqtfm(req)); - struct atmel_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct atmel_aes_base_ctx *ctx; + struct atmel_aes_reqctx *rctx; struct atmel_aes_dev *dd; + ctx = crypto_ablkcipher_ctx(crypto_ablkcipher_reqtfm(req)); switch (mode & AES_FLAGS_OPMODE_MASK) { case AES_FLAGS_CFB8: ctx->block_size = CFB8_BLOCK_SIZE; @@ -813,6 +811,7 @@ static int atmel_aes_crypt(struct ablkcipher_request *req, unsigned long mode) if (!dd) return -ENODEV; + rctx = ablkcipher_request_ctx(req); rctx->mode = mode; return atmel_aes_handle_queue(dd, &req->base); @@ -873,8 +872,9 @@ static int atmel_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, { struct atmel_aes_base_ctx *ctx = crypto_ablkcipher_ctx(tfm); - if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 && - keylen != AES_KEYSIZE_256) { + if (keylen != AES_KEYSIZE_128 && + keylen != AES_KEYSIZE_192 && + keylen != AES_KEYSIZE_256) { crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } @@ -897,26 +897,22 @@ static int atmel_aes_ecb_decrypt(struct ablkcipher_request *req) static int atmel_aes_cbc_encrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_ENCRYPT | AES_FLAGS_CBC); + return atmel_aes_crypt(req, AES_FLAGS_CBC | AES_FLAGS_ENCRYPT); } static int atmel_aes_cbc_decrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_CBC); + return atmel_aes_crypt(req, AES_FLAGS_CBC); } static int atmel_aes_ofb_encrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_ENCRYPT | AES_FLAGS_OFB); + return atmel_aes_crypt(req, AES_FLAGS_OFB | AES_FLAGS_ENCRYPT); } static int atmel_aes_ofb_decrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_OFB); + return atmel_aes_crypt(req, AES_FLAGS_OFB); } static int atmel_aes_cfb_encrypt(struct ablkcipher_request *req) @@ -971,14 +967,12 @@ static int atmel_aes_cfb8_decrypt(struct ablkcipher_request *req) static int atmel_aes_ctr_encrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_ENCRYPT | AES_FLAGS_CTR); + return atmel_aes_crypt(req, AES_FLAGS_CTR | AES_FLAGS_ENCRYPT); } static int atmel_aes_ctr_decrypt(struct ablkcipher_request *req) { - return atmel_aes_crypt(req, - AES_FLAGS_CTR); + return atmel_aes_crypt(req, AES_FLAGS_CTR); } static int atmel_aes_cra_init(struct crypto_tfm *tfm) @@ -1196,7 +1190,7 @@ static void atmel_aes_queue_task(unsigned long data) static void atmel_aes_done_task(unsigned long data) { - struct atmel_aes_dev *dd = (struct atmel_aes_dev *) data; + struct atmel_aes_dev *dd = (struct atmel_aes_dev *)data; dd->is_async = true; (void)dd->resume(dd); |