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120 lines
3.7 KiB
120 lines
3.7 KiB
From 81065f66dd99b3af58626a914b8c0fcff6b8b0ba Mon Sep 17 00:00:00 2001
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From: Christian Lamparter <chunkeey@googlemail.com>
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Date: Fri, 25 Aug 2017 15:47:15 +0200
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Subject: [PATCH 02/25] crypto: crypto4xx - remove unused definitions and
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write-only variables
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This patch removes several unused code and definitons
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(structs, variables, ...).
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Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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---
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drivers/crypto/amcc/crypto4xx_alg.c | 6 ------
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drivers/crypto/amcc/crypto4xx_core.c | 2 +-
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drivers/crypto/amcc/crypto4xx_core.h | 16 ----------------
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3 files changed, 1 insertion(+), 23 deletions(-)
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--- a/drivers/crypto/amcc/crypto4xx_alg.c
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+++ b/drivers/crypto/amcc/crypto4xx_alg.c
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@@ -75,7 +75,6 @@ int crypto4xx_encrypt(struct ablkcipher_
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struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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ctx->direction = DIR_OUTBOUND;
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- ctx->hash_final = 0;
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ctx->is_hash = 0;
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ctx->pd_ctl = 0x1;
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@@ -89,7 +88,6 @@ int crypto4xx_decrypt(struct ablkcipher_
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struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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ctx->direction = DIR_INBOUND;
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- ctx->hash_final = 0;
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ctx->is_hash = 0;
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ctx->pd_ctl = 1;
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@@ -136,7 +134,6 @@ static int crypto4xx_setkey_aes(struct c
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}
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/* Setup SA */
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sa = (struct dynamic_sa_ctl *) ctx->sa_in;
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- ctx->hash_final = 0;
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set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, (cm == CRYPTO_MODE_CBC ?
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SA_SAVE_IV : SA_NOT_SAVE_IV),
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@@ -192,7 +189,6 @@ static int crypto4xx_hash_alg_init(struc
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ctx->dev = my_alg->dev;
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ctx->is_hash = 1;
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- ctx->hash_final = 0;
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/* Create SA */
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if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
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@@ -257,7 +253,6 @@ int crypto4xx_hash_update(struct ahash_r
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struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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ctx->is_hash = 1;
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- ctx->hash_final = 0;
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ctx->pd_ctl = 0x11;
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ctx->direction = DIR_INBOUND;
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@@ -275,7 +270,6 @@ int crypto4xx_hash_digest(struct ahash_r
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{
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struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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- ctx->hash_final = 1;
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ctx->pd_ctl = 0x11;
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ctx->direction = DIR_INBOUND;
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--- a/drivers/crypto/amcc/crypto4xx_core.c
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+++ b/drivers/crypto/amcc/crypto4xx_core.c
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@@ -969,7 +969,7 @@ u32 crypto4xx_build_pd(struct crypto_asy
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sa->sa_command_1.bf.hash_crypto_offset = 0;
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pd->pd_ctl.w = ctx->pd_ctl;
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- pd->pd_ctl_len.w = 0x00400000 | (ctx->bypass << 24) | datalen;
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+ pd->pd_ctl_len.w = 0x00400000 | datalen;
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pd_uinfo->state = PD_ENTRY_INUSE;
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wmb();
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/* write any value to push engine to read a pd */
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--- a/drivers/crypto/amcc/crypto4xx_core.h
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+++ b/drivers/crypto/amcc/crypto4xx_core.h
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@@ -72,7 +72,6 @@ struct pd_uinfo {
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struct crypto4xx_device {
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struct crypto4xx_core_device *core_dev;
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char *name;
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- u64 ce_phy_address;
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void __iomem *ce_base;
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void __iomem *trng_base;
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@@ -127,21 +126,9 @@ struct crypto4xx_ctx {
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u32 sa_len;
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u32 offset_to_sr_ptr; /* offset to state ptr, in dynamic sa */
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u32 direction;
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- u32 next_hdr;
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u32 save_iv;
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- u32 pd_ctl_len;
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u32 pd_ctl;
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- u32 bypass;
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u32 is_hash;
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- u32 hash_final;
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-};
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-
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-struct crypto4xx_req_ctx {
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- struct crypto4xx_device *dev; /* Device in which
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- operation to send to */
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- void *sa;
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- u32 sa_dma_addr;
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- u16 sa_len;
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};
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struct crypto4xx_alg_common {
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@@ -172,9 +159,6 @@ static inline struct crypto4xx_alg *cryp
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extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
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extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
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-extern u32 crypto4xx_alloc_sa_rctx(struct crypto4xx_ctx *ctx,
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- struct crypto4xx_ctx *rctx);
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-extern void crypto4xx_free_sa_rctx(struct crypto4xx_ctx *rctx);
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extern void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx);
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extern u32 crypto4xx_alloc_state_record(struct crypto4xx_ctx *ctx);
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extern u32 get_dynamic_sa_offset_state_ptr_field(struct crypto4xx_ctx *ctx);
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