crypto: crypto4xx - remove unused definitions and write-only variables (81065f66) · Commits · 戴 / test

drivers/crypto/amcc/crypto4xx_alg.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -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;

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 */

+0 −16

Original line number	Diff line number	Diff line
		@@ -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);