diff options
Diffstat (limited to 'drivers/crypto/marvell/tdma.c')
| -rw-r--r-- | drivers/crypto/marvell/tdma.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/crypto/marvell/tdma.c b/drivers/crypto/marvell/tdma.c index 4416b88eca70..c76375ff376d 100644 --- a/drivers/crypto/marvell/tdma.c +++ b/drivers/crypto/marvell/tdma.c @@ -109,7 +109,14 @@ void mv_cesa_tdma_chain(struct mv_cesa_engine *engine, last->next = dreq->chain.first; engine->chain.last = dreq->chain.last; - if (!(last->flags & CESA_TDMA_BREAK_CHAIN)) + /* + * Break the DMA chain if the CESA_TDMA_BREAK_CHAIN is set on + * the last element of the current chain, or if the request + * being queued needs the IV regs to be set before lauching + * the request. + */ + if (!(last->flags & CESA_TDMA_BREAK_CHAIN) && + !(dreq->chain.first->flags & CESA_TDMA_SET_STATE)) last->next_dma = dreq->chain.first->cur_dma; } } |