diff options
| author | Corentin Labbe <clabbe@baylibre.com> | 2022-05-02 23:19:12 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-05-13 12:24:17 +0300 |
| commit | 22f7c2f8cfdac70a4414b66ce6ffa270fcd15aa7 (patch) | |
| tree | f3e86675b8ebfd15d0623e56276335f3b3b19679 /drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h | |
| parent | 282ee0716f618655d3b2a431498966a4bf797f4c (diff) | |
| download | linux-22f7c2f8cfdac70a4414b66ce6ffa270fcd15aa7.tar.xz | |
crypto: sun8i-ce - do not allocate memory when handling requests
Instead of allocate memory on each requests, it is easier to
pre-allocate buffer for IV.
This made error path easier.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h index 624a5926f21f..23613a0ec9b0 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h @@ -186,6 +186,8 @@ struct ce_task { * @status: set to 1 by interrupt if task is done * @t_phy: Physical address of task * @tl: pointer to the current ce_task for this flow + * @backup_iv: buffer which contain the next IV to store + * @bounce_iv: buffer which contain the IV * @stat_req: number of request done by this flow */ struct sun8i_ce_flow { @@ -195,6 +197,8 @@ struct sun8i_ce_flow { dma_addr_t t_phy; int timeout; struct ce_task *tl; + void *backup_iv; + void *bounce_iv; #ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG unsigned long stat_req; #endif @@ -241,8 +245,6 @@ struct sun8i_ce_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 - * @backup_iv: buffer which contain the next IV to store - * @bounce_iv: buffer which contain the IV * @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()) @@ -253,8 +255,6 @@ struct sun8i_ce_dev { struct sun8i_cipher_req_ctx { u32 op_dir; int flow; - void *backup_iv; - void *bounce_iv; unsigned int ivlen; int nr_sgs; int nr_sgd; |