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authorRomain Perier <romain.perier@free-electrons.com>2016-06-21 10:08:37 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2016-06-23 18:17:25 +0800
commit2786cee8e50bb4b4303dc22665f391b72318fa84 (patch)
treed56824641545a3493e330ea5b735dbc65277b3c5 /drivers/crypto/marvell/cipher.c
parent1bf6682cb31dff64c11564fe0c12ddd2cda23626 (diff)
downloadlinux-2786cee8e50bb4b4303dc22665f391b72318fa84.tar.bz2
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.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c
index f994469feeb9..1e9c722b1bb0 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,