tree 922e9735fd3593d1d9aed008c753182f936fe2e1
parent ad4cd51fb8375109edb377712b5f9c0c31ece33e
author LEROY Christophe <christophe.leroy@c-s.fr> 1519663206 +0100
committer Herbert Xu <herbert@gondor.apana.org.au> 1520606735 +0800

crypto: talitos - do not perform unnecessary dma synchronisation

req_ctx->hw_context is mainly used only by the HW. So it is not needed
to sync the HW and the CPU each time hw_context in DMA mapped.
This patch modifies the DMA mapping in order to limit synchronisation
to necessary situations.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>