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| author | Romain Perier <romain.perier@free-electrons.com> | 2016-06-21 10:08:37 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-06-23 18:17:25 +0800 |
| commit | 2786cee8e50bb4b4303dc22665f391b72318fa84 (patch) | |
| tree | d56824641545a3493e330ea5b735dbc65277b3c5 /drivers/crypto/marvell/cipher.c | |
| parent | 1bf6682cb31dff64c11564fe0c12ddd2cda23626 (diff) | |
| download | op-kernel-dev-2786cee8e50bb4b4303dc22665f391b72318fa84.zip op-kernel-dev-2786cee8e50bb4b4303dc22665f391b72318fa84.tar.gz | |
crypto: marvell - Move SRAM I/O operations to step functions
Currently the crypto requests were sent to engines sequentially.
This commit moves the SRAM I/O operations from the prepare to the step
functions. It provides flexibility for future works and allow to prepare
a request while the engine is running.
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/cipher.c')
| -rw-r--r-- | drivers/crypto/marvell/cipher.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index f994469..1e9c722 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -89,6 +89,9 @@ static void mv_cesa_ablkcipher_std_step(struct ablkcipher_request *req) size_t len = min_t(size_t, req->nbytes - sreq->offset, CESA_SA_SRAM_PAYLOAD_SIZE); + mv_cesa_adjust_op(engine, &sreq->op); + memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); + len = sg_pcopy_to_buffer(req->src, creq->src_nents, engine->sram + CESA_SA_DATA_SRAM_OFFSET, len, sreq->offset); @@ -177,12 +180,9 @@ mv_cesa_ablkcipher_std_prepare(struct ablkcipher_request *req) { struct mv_cesa_ablkcipher_req *creq = ablkcipher_request_ctx(req); struct mv_cesa_ablkcipher_std_req *sreq = &creq->std; - struct mv_cesa_engine *engine = creq->base.engine; sreq->size = 0; sreq->offset = 0; - mv_cesa_adjust_op(engine, &sreq->op); - memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); } static inline void mv_cesa_ablkcipher_prepare(struct crypto_async_request *req, |
