From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755470AbcEQDxC (ORCPT ); Mon, 16 May 2016 23:53:02 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:38143 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754622AbcEQDsC (ORCPT ); Mon, 16 May 2016 23:48:02 -0400 From: Jiada Wang To: , CC: , , , , , Subject: [PATCH 04/10] dma: imx-sdma: update sdma channel status for cyclic dma Date: Tue, 17 May 2016 12:47:50 +0900 Message-ID: <1463456876-10580-5-git-send-email-jiada_wang@mentor.com> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1463456876-10580-1-git-send-email-jiada_wang@mentor.com> References: <1463456876-10580-1-git-send-email-jiada_wang@mentor.com> 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 Previously for cyclic dma mode, once sdma fails sdma channel status will be set to DMA_ERROR, unless the transfer is prepared again, sdmac status will always be kept to DMA_ERROR, even the transfer for following buffers is successful. This patch updates sdmac status to the status of current buffer descriptor. Signed-off-by: Jiada Wang --- drivers/dma/imx-sdma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 1489de0..36f5e39 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -670,6 +670,8 @@ static void sdma_handle_channel_loop(struct sdma_channel *sdmac) if (bd->mode.status & BD_RROR) sdmac->status = DMA_ERROR; + else + sdmac->status = DMA_IN_PROGRESS; bd->mode.status &= ~BD_RROR; bd->mode.status |= BD_DONE; -- 2.4.5