diff options
| author | Romain Perier <romain.perier@free-electrons.com> | 2016-06-21 10:08:36 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-06-23 18:17:24 +0800 |
| commit | 1bf6682cb31dff64c11564fe0c12ddd2cda23626 (patch) | |
| tree | 79631a520a2e4591a50fa4cb01001d015d659d7d /drivers/crypto/marvell/hash.c | |
| parent | 53da740fed302fbecd66d21cad1c4115b9aaab78 (diff) | |
| download | linux-1bf6682cb31dff64c11564fe0c12ddd2cda23626.tar.bz2 | |
crypto: marvell - Add a complete operation for async requests
So far, the 'process' operation was used to check if the current request
was correctly handled by the engine, if it was the case it copied
information from the SRAM to the main memory. Now, we split this
operation. We keep the 'process' operation, which still checks if the
request was correctly handled by the engine or not, then we add a new
operation for completion. The 'complete' method copies the content of
the SRAM to memory. This will soon become useful if we want to call
the process and the complete operations from different locations
depending on the type of the request (different cleanup logic).
Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/marvell/hash.c')
| -rw-r--r-- | drivers/crypto/marvell/hash.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index 03aaa39d6fd6..faa677a3e881 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -287,17 +287,20 @@ static int mv_cesa_ahash_process(struct crypto_async_request *req, u32 status) { struct ahash_request *ahashreq = ahash_request_cast(req); struct mv_cesa_ahash_req *creq = ahash_request_ctx(ahashreq); - struct mv_cesa_engine *engine = creq->base.engine; - unsigned int digsize; - int ret, i; if (mv_cesa_req_get_type(&creq->base) == CESA_DMA_REQ) - ret = mv_cesa_dma_process(&creq->base, status); - else - ret = mv_cesa_ahash_std_process(ahashreq, status); + return mv_cesa_dma_process(&creq->base, status); - if (ret == -EINPROGRESS) - return ret; + return mv_cesa_ahash_std_process(ahashreq, status); +} + +static void mv_cesa_ahash_complete(struct crypto_async_request *req) +{ + struct ahash_request *ahashreq = ahash_request_cast(req); + struct mv_cesa_ahash_req *creq = ahash_request_ctx(ahashreq); + struct mv_cesa_engine *engine = creq->base.engine; + unsigned int digsize; + int i; digsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(ahashreq)); for (i = 0; i < digsize / 4; i++) @@ -326,8 +329,6 @@ static int mv_cesa_ahash_process(struct crypto_async_request *req, u32 status) result[i] = cpu_to_be32(creq->state[i]); } } - - return ret; } static void mv_cesa_ahash_prepare(struct crypto_async_request *req, @@ -366,6 +367,7 @@ static const struct mv_cesa_req_ops mv_cesa_ahash_req_ops = { .process = mv_cesa_ahash_process, .prepare = mv_cesa_ahash_prepare, .cleanup = mv_cesa_ahash_req_cleanup, + .complete = mv_cesa_ahash_complete, }; static int mv_cesa_ahash_init(struct ahash_request *req, |