diff options
| author | Ovidiu Panait <ovidiu.panait.oss@gmail.com> | 2025-05-19 18:13:49 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-06-13 17:26:16 +0800 |
| commit | 67a4ad04e3d530f50497205ada07c78a89f90de7 (patch) | |
| tree | 8588acb663d5d62de806f02eae8213ea6378dbe2 | |
| parent | b6cd3cfb5afe49952f8f6be947aeeca9ba0faebb (diff) | |
crypto: sun8i-ce - remove ivlen field of sun8i_cipher_req_ctx
Remove `ivlen` field of `sun8i_cipher_req_ctx`, as it is not really useful.
The iv length returned by crypto_skcipher_ivsize() is already available
everywhere and can be used instead.
Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 11 | ||||
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h | 2 |
2 files changed, 6 insertions, 7 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index 7cd3b13f3bdc..5663df49dd81 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -206,15 +206,14 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req cet->t_key = desc_addr_val_le32(ce, rctx->addr_key); ivsize = crypto_skcipher_ivsize(tfm); - if (areq->iv && crypto_skcipher_ivsize(tfm) > 0) { - rctx->ivlen = ivsize; + if (areq->iv && ivsize > 0) { if (rctx->op_dir & CE_DECRYPTION) { offset = areq->cryptlen - ivsize; scatterwalk_map_and_copy(chan->backup_iv, areq->src, offset, ivsize, 0); } memcpy(chan->bounce_iv, areq->iv, ivsize); - rctx->addr_iv = dma_map_single(ce->dev, chan->bounce_iv, rctx->ivlen, + rctx->addr_iv = dma_map_single(ce->dev, chan->bounce_iv, ivsize, DMA_TO_DEVICE); if (dma_mapping_error(ce->dev, rctx->addr_iv)) { dev_err(ce->dev, "Cannot DMA MAP IV\n"); @@ -296,7 +295,8 @@ theend_sgs: theend_iv: if (areq->iv && ivsize > 0) { if (!dma_mapping_error(ce->dev, rctx->addr_iv)) - dma_unmap_single(ce->dev, rctx->addr_iv, rctx->ivlen, DMA_TO_DEVICE); + dma_unmap_single(ce->dev, rctx->addr_iv, ivsize, + DMA_TO_DEVICE); offset = areq->cryptlen - ivsize; if (rctx->op_dir & CE_DECRYPTION) { @@ -345,7 +345,8 @@ static void sun8i_ce_cipher_unprepare(struct crypto_engine *engine, if (areq->iv && ivsize > 0) { if (cet->t_iv) - dma_unmap_single(ce->dev, rctx->addr_iv, rctx->ivlen, DMA_TO_DEVICE); + dma_unmap_single(ce->dev, rctx->addr_iv, ivsize, + DMA_TO_DEVICE); offset = areq->cryptlen - ivsize; if (rctx->op_dir & CE_DECRYPTION) { memcpy(areq->iv, chan->backup_iv, ivsize); diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h index 83df4d719053..0f9a89067016 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h @@ -260,7 +260,6 @@ static inline __le32 desc_addr_val_le32(struct sun8i_ce_dev *dev, * struct sun8i_cipher_req_ctx - context for a skcipher request * @op_dir: direction (encrypt vs decrypt) for this request * @flow: the flow to use for this request - * @ivlen: size of bounce_iv * @nr_sgs: The number of source SG (as given by dma_map_sg()) * @nr_sgd: The number of destination SG (as given by dma_map_sg()) * @addr_iv: The IV addr returned by dma_map_single, need to unmap later @@ -270,7 +269,6 @@ static inline __le32 desc_addr_val_le32(struct sun8i_ce_dev *dev, struct sun8i_cipher_req_ctx { u32 op_dir; int flow; - unsigned int ivlen; int nr_sgs; int nr_sgd; dma_addr_t addr_iv; |