Commit abf53902 authored Apr 15, 2011 by Viresh Kumar Committed by Vinod Koul May 13, 2011

dmaengine/dw_dmac: set residue as total len in dwc_tx_status if status is !DMA_SUCCESS



If transfer status is !=DMA_SUCCESS, return total transfer len as residue,
instead of zero.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 5fedefb8

drivers/dma/dw_dmac.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -860,6 +860,10 @@ dwc_tx_status(struct dma_chan *chan,
		ret = dma_async_is_complete(cookie, last_complete, last_used);
		}

		if (ret != DMA_SUCCESS)
		dma_set_tx_state(txstate, last_complete, last_used,
		dwc_first_active(dwc)->len);
		else
		dma_set_tx_state(txstate, last_complete, last_used, 0);

		return ret;