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From 81065f66dd99b3af58626a914b8c0fcff6b8b0ba Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
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 <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
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
@@ -973,7 +973,7 @@ 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);
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