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authorRomain Perier <romain.perier@free-electrons.com>2016-06-21 10:08:35 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2016-06-23 18:17:23 +0800
commit53da740fed302fbecd66d21cad1c4115b9aaab78 (patch)
treed260774ca141785113964a15c244edb9ccca9d2a /drivers/crypto/marvell/cesa.c
parentbac8e805a30dc2a29c3fdde9d822e59c75e710d7 (diff)
downloadlinux-53da740fed302fbecd66d21cad1c4115b9aaab78.tar.gz
crypto: marvell - Move tdma chain out of mv_cesa_tdma_req and remove it
Currently, the only way to access the tdma chain is to use the 'req' union from a mv_cesa_{ablkcipher,ahash}. This will soon become a problem if we want to handle the TDMA chaining vs standard/non-DMA processing in a generic way (with generic functions at the cesa.c level detecting whether the request should be queued at the DMA level or not). Hence the decision to move the chain field a the mv_cesa_req level at the expense of adding 2 void * fields to all request contexts (including non-DMA ones) and to remove the type completly. To limit the overhead, we get rid of the type field, which can now be deduced from the req->chain.first value. Once these changes are done the union is no longer needed, so remove it and move mv_cesa_ablkcipher_std_req and mv_cesa_req to mv_cesa_ablkcipher_req directly. There are also no needs to keep the 'base' field into the union of mv_cesa_ahash_req, so move it into the upper structure. 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/cesa.c')
-rw-r--r--drivers/crypto/marvell/cesa.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index 9063f56d8725..f407bacdb021 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -111,7 +111,8 @@ static irqreturn_t mv_cesa_int(int irq, void *priv)
return ret;
}
-int mv_cesa_queue_req(struct crypto_async_request *req)
+int mv_cesa_queue_req(struct crypto_async_request *req,
+ struct mv_cesa_req *creq)
{
int ret;
int i;