Drop fsldma's use of tx_list from struct dma_async_tx_descriptor in
preparation for removal of this field.
Cc: Li Yang <leoli@xxxxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/dma/fsldma.c | 7 ++++---
drivers/dma/fsldma.h | 1 +
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index f18d1bd..fb44eaa 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -337,7 +337,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
fsl_chan->common.cookie = cookie;
append_ld_queue(fsl_chan, tx_to_fsl_desc(tx));
- list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev);
+ list_splice_init(&desc->tx_list, fsl_chan->ld_queue.prev);
spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
@@ -359,6 +359,7 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
desc_sw = dma_pool_alloc(fsl_chan->desc_pool, GFP_ATOMIC, &pdesc);
if (desc_sw) {
memset(desc_sw, 0, sizeof(struct fsl_desc_sw));
+ INIT_LIST_HEAD(&desc_sw->tx_list);
dma_async_tx_descriptor_init(&desc_sw->async_tx,
&fsl_chan->common);
desc_sw->async_tx.tx_submit = fsl_dma_tx_submit;
@@ -448,7 +449,7 @@ fsl_dma_prep_interrupt(struct dma_chan *chan, unsigned long flags)
new->async_tx.flags = flags;
/* Insert the link descriptor to the LD ring */
- list_add_tail(&new->node, &new->async_tx.tx_list);
+ list_add_tail(&new->node, &new->tx_list);
/* Set End-of-link to the last link descriptor of new list*/
set_ld_eol(fsl_chan, new);
@@ -506,7 +507,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
dma_dest += copy;
/* Insert the link descriptor to the LD ring */
- list_add_tail(&new->node, &first->async_tx.tx_list);
+ list_add_tail(&new->node, &first->tx_list);
} while (len);
new->async_tx.flags = flags; /* client is in control of this ack */
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index 4f21a51..02816e8 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -89,6 +89,7 @@ struct fsl_dma_ld_hw {
struct fsl_desc_sw {
struct fsl_dma_ld_hw hw;
struct list_head node;
+ struct list_head tx_list;
struct dma_async_tx_descriptor async_tx;
struct list_head *ld;
void *priv;
--
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