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Date: Tue, 26 Apr 2011 11:08:13 +0530 From: Viresh Kumar <viresh.kumar@...com> To: <vinod.koul@...el.com>, <dan.j.williams@...el.com> Cc: <linux-kernel@...r.kernel.org>, <armando.visconti@...com>, <shiraz.hashim@...com>, Viresh Kumar <viresh.kumar@...com> Subject: [PATCH V2 resend 5/7] 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@...com> --- drivers/dma/dw_dmac.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 8d5d048..211728c 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -864,7 +864,11 @@ dwc_tx_status(struct dma_chan *chan, ret = dma_async_is_complete(cookie, last_complete, last_used); } - dma_set_tx_state(txstate, last_complete, last_used, 0); + 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; } -- 1.7.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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