diff options
Diffstat (limited to 'drivers/dma/mmp_pdma.c')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index b0a9c94..3676fde 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -279,25 +279,6 @@ static void mmp_pdma_free_phy(struct mmp_pdma_chan *pchan) spin_unlock_irqrestore(&pdev->phy_lock, flags); } -/* desc->tx_list ==> pending list */ -static void append_pending_queue(struct mmp_pdma_chan *chan, - struct mmp_pdma_desc_sw *desc) -{ - struct mmp_pdma_desc_sw *tail = - to_mmp_pdma_desc(chan->chain_pending.prev); - - if (list_empty(&chan->chain_pending)) - goto out_splice; - - /* one irq per queue, even appended */ - tail->desc.ddadr = desc->async_tx.phys; - tail->desc.dcmd &= ~DCMD_ENDIRQEN; - - /* softly link to pending list */ -out_splice: - list_splice_tail_init(&desc->tx_list, &chan->chain_pending); -} - /** * start_pending_queue - transfer any pending transactions * pending list ==> running list @@ -360,7 +341,8 @@ static dma_cookie_t mmp_pdma_tx_submit(struct dma_async_tx_descriptor *tx) cookie = dma_cookie_assign(&child->async_tx); } - append_pending_queue(chan, desc); + /* softly link to pending list - desc->tx_list ==> pending list */ + list_splice_tail_init(&desc->tx_list, &chan->chain_pending); spin_unlock_irqrestore(&chan->desc_lock, flags); |
