From 81065f66dd99b3af58626a914b8c0fcff6b8b0ba Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Fri, 25 Aug 2017 15:47:15 +0200 Subject: [PATCH 02/25] crypto: crypto4xx - remove unused definitions and write-only variables This patch removes several unused code and definitons (structs, variables, ...). Signed-off-by: Christian Lamparter Signed-off-by: Herbert Xu --- drivers/crypto/amcc/crypto4xx_alg.c | 6 ------ drivers/crypto/amcc/crypto4xx_core.c | 2 +- drivers/crypto/amcc/crypto4xx_core.h | 16 ---------------- 3 files changed, 1 insertion(+), 23 deletions(-) --- a/drivers/crypto/amcc/crypto4xx_alg.c +++ b/drivers/crypto/amcc/crypto4xx_alg.c @@ -75,7 +75,6 @@ int crypto4xx_encrypt(struct ablkcipher_ 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_ 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 c } /* Setup SA */ sa = (struct dynamic_sa_ctl *) ctx->sa_in; - ctx->hash_final = 0; set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, (cm == CRYPTO_MODE_CBC ? SA_SAVE_IV : SA_NOT_SAVE_IV), @@ -192,7 +189,6 @@ static int crypto4xx_hash_alg_init(struc 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) @@ -257,7 +253,6 @@ int crypto4xx_hash_update(struct ahash_r 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; @@ -275,7 +270,6 @@ int crypto4xx_hash_digest(struct ahash_r { struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm); - ctx->hash_final = 1; ctx->pd_ctl = 0x11; ctx->direction = DIR_INBOUND; --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -969,7 +969,7 @@ u32 crypto4xx_build_pd(struct crypto_asy 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 */ --- 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 *cryp 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);