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Commit 7a1c6bcf authored by Phil Sutter's avatar Phil Sutter Committed by Herbert Xu
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crypto: mv_cesa - no need to save digest state after the last chunk 



Signed-off-by: default avatarPhil Sutter <phil.sutter@viprinet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2a025f5d

drivers/crypto/mv_cesa.c

+6 −6
Original line number Diff line number Diff line
@@ -407,12 +407,6 @@ static void mv_hash_algo_completion(void) 
		copy_src_to_buf(&cpg->p, ctx->buffer, ctx->extra_bytes);

	sg_miter_stop(&cpg->p.src_sg_it);



	ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);

	ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);

	ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);

	ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);

	ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);



	if (likely(ctx->last_chunk)) {

		if (likely(ctx->count <= MAX_HW_HASH_SIZE)) {

			memcpy(req->result, cpg->sram + SRAM_DIGEST_BUF,
@@ -420,6 +414,12 @@ static void mv_hash_algo_completion(void) 
						       (req)));

		} else

			mv_hash_final_fallback(req);

	} else {

		ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);

		ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);

		ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);

		ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);

		ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);

	}

}