aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/dma/pch_dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/pch_dma.c')
-rw-r--r--drivers/dma/pch_dma.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 2b3479d850c9..5218e48aed0e 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -417,20 +417,6 @@ static void pdc_advance_work(struct pch_dma_chan *pd_chan)
417 } 417 }
418} 418}
419 419
420static dma_cookie_t pdc_assign_cookie(struct pch_dma_chan *pd_chan,
421 struct pch_dma_desc *desc)
422{
423 dma_cookie_t cookie = pd_chan->chan.cookie;
424
425 if (++cookie < 0)
426 cookie = 1;
427
428 pd_chan->chan.cookie = cookie;
429 desc->txd.cookie = cookie;
430
431 return cookie;
432}
433
434static dma_cookie_t pd_tx_submit(struct dma_async_tx_descriptor *txd) 420static dma_cookie_t pd_tx_submit(struct dma_async_tx_descriptor *txd)
435{ 421{
436 struct pch_dma_desc *desc = to_pd_desc(txd); 422 struct pch_dma_desc *desc = to_pd_desc(txd);
@@ -438,7 +424,7 @@ static dma_cookie_t pd_tx_submit(struct dma_async_tx_descriptor *txd)
438 dma_cookie_t cookie; 424 dma_cookie_t cookie;
439 425
440 spin_lock(&pd_chan->lock); 426 spin_lock(&pd_chan->lock);
441 cookie = pdc_assign_cookie(pd_chan, desc); 427 cookie = dma_cookie_assign(txd);
442 428
443 if (list_empty(&pd_chan->active_list)) { 429 if (list_empty(&pd_chan->active_list)) {
444 list_add_tail(&desc->desc_node, &pd_chan->active_list); 430 list_add_tail(&desc->desc_node, &pd_chan->active_list);