@@ -417,7 +417,7 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey,
dma_addr_t key_dma_addr = 0;
struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
struct device *dev = drvdata_to_dev(ctx->drvdata);
- u32 larval_addr = cc_larval_digest_addr(ctx->drvdata, ctx->auth_mode);
+ u32 larval_addr;
struct cc_crypto_req cc_req = {};
unsigned int blocksize;
unsigned int digestsize;
@@ -459,6 +459,8 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey,
/* Load hash initial state */
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hashmode);
+ larval_addr = cc_larval_digest_addr(ctx->drvdata,
+ ctx->auth_mode);
set_din_sram(&desc[idx], larval_addr, digestsize);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
@@ -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);
}
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> --- v2: - New. drivers/crypto/ccree/cc_aead.c | 4 +++- drivers/crypto/ccree/cc_hash.c | 5 +++-- 2 files changed, 6 insertions(+), 3 deletions(-)