diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-02-11 19:19:05 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-02-22 09:25:44 +0800 |
| commit | e431cc04381708660b321f6c5a5500ea577a903e (patch) | |
| tree | 08df89de02b650289843979becd1c73861faa950 /drivers/crypto/ccree/cc_hash.c | |
| parent | 5fabab0d36d333c1d182369c845f6c7546a4afb8 (diff) | |
crypto: ccree - defer larval_digest_addr init until needed
While the larval digest addresses are not always used in
cc_get_plain_hmac_key() and cc_hash_digest(), they are always
calculated.
Defer their calculations to the points where needed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_hash.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_hash.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index defeb35a16a6..cebbe2f08f60 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -429,8 +429,7 @@ static int cc_hash_digest(struct ahash_request *req) bool is_hmac = ctx->is_hmac; struct cc_crypto_req cc_req = {}; struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN]; - cc_sram_addr_t larval_digest_addr = - cc_larval_digest_addr(ctx->drvdata, ctx->hash_mode); + cc_sram_addr_t larval_digest_addr; int idx = 0; int rc = 0; gfp_t flags = cc_gfp_flags(&req->base); @@ -472,6 +471,8 @@ static int cc_hash_digest(struct ahash_request *req) set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr, ctx->inter_digestsize, NS_BIT); } else { + larval_digest_addr = cc_larval_digest_addr(ctx->drvdata, + ctx->hash_mode); set_din_sram(&desc[idx], larval_digest_addr, ctx->inter_digestsize); } |