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, 2 deletions

diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 0a525c450f24..7ce0e25266dc 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -983,8 +983,6 @@ static int idmac_desc_alloc(struct idmac_channel *ichan, int n)
                 memset(txd, 0, sizeof(*txd));
                 dma_async_tx_descriptor_init(txd, &ichan->dma_chan);
                 txd->tx_submit          = idmac_tx_submit;
-                txd->chan               = &ichan->dma_chan;
-                INIT_LIST_HEAD(&txd->tx_list);
 
                 list_add(&desc->list, &ichan->free_list);