From 7a1c6bcf269203485d716d8e3bec6671dabb5067 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil.sutter@viprinet.com>
Date: Thu, 5 May 2011 15:29:01 +0200
Subject: [PATCH] crypto: mv_cesa - no need to save digest state after the last
chunk
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/crypto/mv_cesa.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index c018cd0ac13b..fb3f1e35623d 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -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);
}
}
--
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