It would be useful to know when the first descriptor in the queue is started
along with its cookie.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/dma/dw/core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index 5ddf5e4..52815b9 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -281,11 +281,15 @@ static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
static void dwc_dostart_first_queued(struct dw_dma_chan *dwc)
{
+ struct dw_desc *desc;
+
if (list_empty(&dwc->queue))
return;
list_move(dwc->queue.next, &dwc->active_list);
- dwc_dostart(dwc, dwc_first_active(dwc));
+ desc = dwc_first_active(dwc);
+ dev_vdbg(chan2dev(&dwc->chan), "%s: started %u\n", __func__, desc->txd.cookie);
+ dwc_dostart(dwc, desc);
}
/*----------------------------------------------------------------------*/
--
2.0.0
--
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