diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/marvell/hash.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index d2a947ec1aeb..3497d7015ca7 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -627,7 +627,27 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) if (ret) goto err_free_tdma; - if (creq->cache_ptr && !iter.base.op_len) { + if (iter.src.sg) { + /* + * Add all the new data, inserting an operation block and + * launch command between each full SRAM block-worth of + * data. + */ + do { + ret = mv_cesa_dma_add_op_transfers(&chain, &iter.base, + &iter.src, flags); + if (ret) + goto err_free_tdma; + + op = mv_cesa_dma_add_frag(&chain, &creq->op_tmpl, + iter.base.op_len, flags); + if (IS_ERR(op)) { + ret = PTR_ERR(op); + goto err_free_tdma; + } + } while (mv_cesa_ahash_req_iter_next_op(&iter)); + } else if (creq->cache_ptr) { + /* Account for the data that was in the cache. */ op = mv_cesa_dma_add_frag(&chain, &creq->op_tmpl, creq->cache_ptr, flags); if (IS_ERR(op)) { @@ -636,23 +656,6 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) } } - do { - if (!iter.base.op_len) - break; - - ret = mv_cesa_dma_add_op_transfers(&chain, &iter.base, - &iter.src, flags); - if (ret) - goto err_free_tdma; - - op = mv_cesa_dma_add_frag(&chain, &creq->op_tmpl, - iter.base.op_len, flags); - if (IS_ERR(op)) { - ret = PTR_ERR(op); - goto err_free_tdma; - } - } while (mv_cesa_ahash_req_iter_next_op(&iter)); - op = mv_cesa_ahash_dma_last_req(&chain, &iter, creq, op, flags); if (IS_ERR(op)) { ret = PTR_ERR(op); |