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/ioat_dma.c b/drivers/dma/ioat_dma.c
index 5905cd36bcd2..e4fc33c1c32f 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -693,7 +693,6 @@ static struct ioat_desc_sw *ioat_dma_alloc_descriptor(
                 desc_sw->async_tx.tx_submit = ioat2_tx_submit;
                 break;
         }
-        INIT_LIST_HEAD(&desc_sw->async_tx.tx_list);
 
         desc_sw->hw = desc;
         desc_sw->async_tx.phys = phys;