Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754084Ab1DSIcu (ORCPT ); Tue, 19 Apr 2011 04:32:50 -0400 Received: from eu1sys200aog115.obsmtp.com ([207.126.144.139]:49133 "EHLO eu1sys200aog115.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753847Ab1DSIcm (ORCPT ); Tue, 19 Apr 2011 04:32:42 -0400 From: Viresh Kumar To: , , Cc: , , , , , , Viresh Kumar Subject: [PATCH V2 5/7] dmaengine/dw_dmac: set residue as total len in dwc_tx_status if status is !DMA_SUCCESS Date: Tue, 19 Apr 2011 14:02:10 +0530 Message-ID: X-Mailer: git-send-email 1.7.2.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1026 Lines: 33 If transfer status is !=DMA_SUCCESS, return total transfer len as residue, instead of zero. Signed-off-by: Viresh Kumar --- 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 d8aad28..f4779e2 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/