diff options
| author | Christian Lamparter <chunkeey@gmail.com> | 2019-04-22 13:26:01 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-05-03 14:03:29 +0800 |
| commit | 38cf5533d7a876f75088bacc1277046f30005f28 (patch) | |
| tree | 320510345bb3c35a8bee3cadd09e8783af162473 /drivers/crypto | |
| parent | 9848e4c873c1cae019bbef4ab3a500a05ca59fe6 (diff) | |
| download | lwn-38cf5533d7a876f75088bacc1277046f30005f28.tar.gz lwn-38cf5533d7a876f75088bacc1277046f30005f28.zip | |
crypto: crypto4xx - get rid of redundant using_sd variable
using_sd is used as a stand-in for sa_command_0.bf.scatter
that we need to set anyway, so we might as well just prevent
double-accounting.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 6 | ||||
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.h | 1 |
2 files changed, 2 insertions, 5 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 3e7d24ff3fa6..3934c2523762 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -539,7 +539,7 @@ static void crypto4xx_cipher_done(struct crypto4xx_device *dev, req = skcipher_request_cast(pd_uinfo->async_req); - if (pd_uinfo->using_sd) { + if (pd_uinfo->sa_va->sa_command_0.bf.scatter) { crypto4xx_copy_pkt_to_dst(dev, pd, pd_uinfo, req->cryptlen, req->dst); } else { @@ -593,7 +593,7 @@ static void crypto4xx_aead_done(struct crypto4xx_device *dev, u32 icv[AES_BLOCK_SIZE]; int err = 0; - if (pd_uinfo->using_sd) { + if (pd_uinfo->sa_va->sa_command_0.bf.scatter) { crypto4xx_copy_pkt_to_dst(dev, pd, pd_uinfo, pd->pd_ctl_len.bf.pkt_len, dst); @@ -887,7 +887,6 @@ int crypto4xx_build_pd(struct crypto_async_request *req, * we know application give us dst a whole piece of memory * no need to use scatter ring. */ - pd_uinfo->using_sd = 0; pd_uinfo->first_sd = 0xffffffff; sa->sa_command_0.bf.scatter = 0; pd->dest = (u32)dma_map_page(dev->core_dev->device, @@ -901,7 +900,6 @@ int crypto4xx_build_pd(struct crypto_async_request *req, u32 sd_idx = fst_sd; nbytes = datalen; sa->sa_command_0.bf.scatter = 1; - pd_uinfo->using_sd = 1; pd_uinfo->first_sd = fst_sd; sd = crypto4xx_get_sdp(dev, &sd_dma, sd_idx); pd->dest = sd_dma; diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h index 4ecc34fa8ebd..c624f8cd3d2e 100644 --- a/drivers/crypto/amcc/crypto4xx_core.h +++ b/drivers/crypto/amcc/crypto4xx_core.h @@ -64,7 +64,6 @@ union shadow_sa_buf { struct pd_uinfo { struct crypto4xx_device *dev; u32 state; - u32 using_sd; u32 first_gd; /* first gather discriptor used by this packet */ u32 num_gd; /* number of gather discriptor |