target/linux/apm821xx/patches-4.14/020-0002-crypto-crypto4xx-remove-unused-definitions-and-write.patch

   1 From 81065f66dd99b3af58626a914b8c0fcff6b8b0ba Mon Sep 17 00:00:00 2001
   2 From: Christian Lamparter <chunkeey@googlemail.com>
   3 Date: Fri, 25 Aug 2017 15:47:15 +0200
   4 Subject: [PATCH 02/25] crypto: crypto4xx - remove unused definitions and
   5  write-only variables
   6
   7 This patch removes several unused code and definitons
   8 (structs, variables, ...).
   9
  10 Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
  11 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  12 ---
  13  drivers/crypto/amcc/crypto4xx_alg.c  |  6 ------
  14  drivers/crypto/amcc/crypto4xx_core.c |  2 +-
  15  drivers/crypto/amcc/crypto4xx_core.h | 16 ----------------
  16  3 files changed, 1 insertion(+), 23 deletions(-)
  17
  18 --- a/drivers/crypto/amcc/crypto4xx_alg.c
  19 +++ b/drivers/crypto/amcc/crypto4xx_alg.c
  20 @@ -75,7 +75,6 @@ int crypto4xx_encrypt(struct ablkcipher_
  21         struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
  22
  23         ctx->direction = DIR_OUTBOUND;
  24 -       ctx->hash_final = 0;
  25         ctx->is_hash = 0;
  26         ctx->pd_ctl = 0x1;
  27
  28 @@ -89,7 +88,6 @@ int crypto4xx_decrypt(struct ablkcipher_
  29         struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
  30
  31         ctx->direction = DIR_INBOUND;
  32 -       ctx->hash_final = 0;
  33         ctx->is_hash = 0;
  34         ctx->pd_ctl = 1;
  35
  36 @@ -136,7 +134,6 @@ static int crypto4xx_setkey_aes(struct c
  37         }
  38         /* Setup SA */
  39         sa = (struct dynamic_sa_ctl *) ctx->sa_in;
  40 -       ctx->hash_final = 0;
  41
  42         set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, SA_NOT_SAVE_IV,
  43                                  SA_LOAD_HASH_FROM_SA, SA_LOAD_IV_FROM_STATE,
  44 @@ -191,7 +188,6 @@ static int crypto4xx_hash_alg_init(struc
  45
  46         ctx->dev   = my_alg->dev;
  47         ctx->is_hash = 1;
  48 -       ctx->hash_final = 0;
  49
  50         /* Create SA */
  51         if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
  52 @@ -256,7 +252,6 @@ int crypto4xx_hash_update(struct ahash_r
  53         struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
  54
  55         ctx->is_hash = 1;
  56 -       ctx->hash_final = 0;
  57         ctx->pd_ctl = 0x11;
  58         ctx->direction = DIR_INBOUND;
  59
  60 @@ -274,7 +269,6 @@ int crypto4xx_hash_digest(struct ahash_r
  61  {
  62         struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
  63
  64 -       ctx->hash_final = 1;
  65         ctx->pd_ctl = 0x11;
  66         ctx->direction = DIR_INBOUND;
  67
  68 --- a/drivers/crypto/amcc/crypto4xx_core.c
  69 +++ b/drivers/crypto/amcc/crypto4xx_core.c
  70 @@ -964,7 +964,7 @@ u32 crypto4xx_build_pd(struct crypto_asy
  71
  72         sa->sa_command_1.bf.hash_crypto_offset = 0;
  73         pd->pd_ctl.w = ctx->pd_ctl;
  74 -       pd->pd_ctl_len.w = 0x00400000 | (ctx->bypass << 24) | datalen;
  75 +       pd->pd_ctl_len.w = 0x00400000 | datalen;
  76         pd_uinfo->state = PD_ENTRY_INUSE;
  77         wmb();
  78         /* write any value to push engine to read a pd */
  79 --- a/drivers/crypto/amcc/crypto4xx_core.h
  80 +++ b/drivers/crypto/amcc/crypto4xx_core.h
  81 @@ -72,7 +72,6 @@ struct pd_uinfo {
  82  struct crypto4xx_device {
  83         struct crypto4xx_core_device *core_dev;
  84         char *name;
  85 -       u64  ce_phy_address;
  86         void __iomem *ce_base;
  87         void __iomem *trng_base;
  88
  89 @@ -127,21 +126,9 @@ struct crypto4xx_ctx {
  90         u32 sa_len;
  91         u32 offset_to_sr_ptr;           /* offset to state ptr, in dynamic sa */
  92         u32 direction;
  93 -       u32 next_hdr;
  94         u32 save_iv;
  95 -       u32 pd_ctl_len;
  96         u32 pd_ctl;
  97 -       u32 bypass;
  98         u32 is_hash;
  99 -       u32 hash_final;
 100 -};
 101 -
 102 -struct crypto4xx_req_ctx {
 103 -       struct crypto4xx_device *dev;   /* Device in which
 104 -                                       operation to send to */
 105 -       void *sa;
 106 -       u32 sa_dma_addr;
 107 -       u16 sa_len;
 108  };
 109
 110  struct crypto4xx_alg_common {
 111 @@ -172,9 +159,6 @@ static inline struct crypto4xx_alg *cryp
 112
 113  extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
 114  extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
 115 -extern u32 crypto4xx_alloc_sa_rctx(struct crypto4xx_ctx *ctx,
 116 -                                  struct crypto4xx_ctx *rctx);
 117 -extern void crypto4xx_free_sa_rctx(struct crypto4xx_ctx *rctx);
 118  extern void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx);
 119  extern u32 crypto4xx_alloc_state_record(struct crypto4xx_ctx *ctx);
 120  extern u32 get_dynamic_sa_offset_state_ptr_field(struct crypto4xx_ctx *ctx);