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authorChristian Lamparter <chunkeey@googlemail.com>2017-08-25 15:47:15 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2017-09-22 17:43:16 +0800
commit81065f66dd99b3af58626a914b8c0fcff6b8b0ba (patch)
tree52453d40b3c8419c60bb9d7bdc4cc17183a44b50 /drivers/crypto/amcc
parenta728a196d253530f17da5c86dc7dfbe58c5f7094 (diff)
crypto: crypto4xx - remove unused definitions and write-only variables
This patch removes several unused code and definitons (structs, variables, ...). Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/amcc')
-rw-r--r--drivers/crypto/amcc/crypto4xx_alg.c6
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c2
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.h16
3 files changed, 1 insertions, 23 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_alg.c b/drivers/crypto/amcc/crypto4xx_alg.c
index 4afca3968773..6da92321173b 100644
--- a/drivers/crypto/amcc/crypto4xx_alg.c
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
@@ -75,7 +75,6 @@ int crypto4xx_encrypt(struct ablkcipher_request *req)
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
ctx->direction = DIR_OUTBOUND;
- ctx->hash_final = 0;
ctx->is_hash = 0;
ctx->pd_ctl = 0x1;
@@ -89,7 +88,6 @@ int crypto4xx_decrypt(struct ablkcipher_request *req)
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
ctx->direction = DIR_INBOUND;
- ctx->hash_final = 0;
ctx->is_hash = 0;
ctx->pd_ctl = 1;
@@ -136,7 +134,6 @@ static int crypto4xx_setkey_aes(struct crypto_ablkcipher *cipher,
}
/* Setup SA */
sa = (struct dynamic_sa_ctl *) ctx->sa_in;
- ctx->hash_final = 0;
set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, SA_NOT_SAVE_IV,
SA_LOAD_HASH_FROM_SA, SA_LOAD_IV_FROM_STATE,
@@ -191,7 +188,6 @@ static int crypto4xx_hash_alg_init(struct crypto_tfm *tfm,
ctx->dev = my_alg->dev;
ctx->is_hash = 1;
- ctx->hash_final = 0;
/* Create SA */
if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
@@ -256,7 +252,6 @@ int crypto4xx_hash_update(struct ahash_request *req)
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
ctx->is_hash = 1;
- ctx->hash_final = 0;
ctx->pd_ctl = 0x11;
ctx->direction = DIR_INBOUND;
@@ -274,7 +269,6 @@ int crypto4xx_hash_digest(struct ahash_request *req)
{
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
- ctx->hash_final = 1;
ctx->pd_ctl = 0x11;
ctx->direction = DIR_INBOUND;
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 3118cec0d81e..48215b8525a2 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -962,7 +962,7 @@ u32 crypto4xx_build_pd(struct crypto_async_request *req,
sa->sa_command_1.bf.hash_crypto_offset = 0;
pd->pd_ctl.w = ctx->pd_ctl;
- pd->pd_ctl_len.w = 0x00400000 | (ctx->bypass << 24) | datalen;
+ pd->pd_ctl_len.w = 0x00400000 | datalen;
pd_uinfo->state = PD_ENTRY_INUSE;
wmb();
/* write any value to push engine to read a pd */
diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h
index ecfdcfe3698d..8230d3f7edbe 100644
--- a/drivers/crypto/amcc/crypto4xx_core.h
+++ b/drivers/crypto/amcc/crypto4xx_core.h
@@ -72,7 +72,6 @@ struct pd_uinfo {
struct crypto4xx_device {
struct crypto4xx_core_device *core_dev;
char *name;
- u64 ce_phy_address;
void __iomem *ce_base;
void __iomem *trng_base;
@@ -127,21 +126,9 @@ struct crypto4xx_ctx {
u32 sa_len;
u32 offset_to_sr_ptr; /* offset to state ptr, in dynamic sa */
u32 direction;
- u32 next_hdr;
u32 save_iv;
- u32 pd_ctl_len;
u32 pd_ctl;
- u32 bypass;
u32 is_hash;
- u32 hash_final;
-};
-
-struct crypto4xx_req_ctx {
- struct crypto4xx_device *dev; /* Device in which
- operation to send to */
- void *sa;
- u32 sa_dma_addr;
- u16 sa_len;
};
struct crypto4xx_alg_common {
@@ -172,9 +159,6 @@ static inline struct crypto4xx_alg *crypto_alg_to_crypto4xx_alg(
extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
-extern u32 crypto4xx_alloc_sa_rctx(struct crypto4xx_ctx *ctx,
- struct crypto4xx_ctx *rctx);
-extern void crypto4xx_free_sa_rctx(struct crypto4xx_ctx *rctx);
extern void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx);
extern u32 crypto4xx_alloc_state_record(struct crypto4xx_ctx *ctx);
extern u32 get_dynamic_sa_offset_state_ptr_field(struct crypto4xx_ctx *ctx);