dmaengine: initialize tx_list in dma_async_tx_descriptor_init

Centralize this common initialization (and one case where ipu_idmac is
duplicating ->chan initialization).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 16adbe61cfb2..2f052265122f 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -498,7 +498,6 @@ static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
                 slot->async_tx.tx_submit = iop_adma_tx_submit;
                 INIT_LIST_HEAD(&slot->chain_node);
                 INIT_LIST_HEAD(&slot->slot_node);
-                INIT_LIST_HEAD(&slot->async_tx.tx_list);
                 hw_desc = (char *) iop_chan->device->dma_desc_pool;
                 slot->async_tx.phys =
                         (dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE];