From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755400AbcEQDwZ (ORCPT ); Mon, 16 May 2016 23:52:25 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:38155 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754036AbcEQDsF (ORCPT ); Mon, 16 May 2016 23:48:05 -0400 From: Jiada Wang To: , CC: , , , , , Subject: [PATCH 06/10] dma: imx-sdma: add terminate_all support Date: Tue, 17 May 2016 12:47:52 +0900 Message-ID: <1463456876-10580-7-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 Implement device_terminate_all(), so that dmaengine_terminate_async() can work. Signed-off-by: Jiada Wang --- drivers/dma/imx-sdma.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index ef5d37c..040cbf2 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1401,6 +1401,13 @@ static void sdma_issue_pending(struct dma_chan *chan) sdma_enable_channel(sdma, sdmac->channel); } +static int sdma_terminate_all(struct dma_chan *chan) +{ + sdma_disable_channel(chan); + + return 0; +} + #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34 #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2 38 #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 41 @@ -1819,6 +1826,7 @@ static int sdma_probe(struct platform_device *pdev) sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; sdma->dma_device.device_issue_pending = sdma_issue_pending; + sdma->dma_device.device_terminate_all = sdma_terminate_all; sdma->dma_device.dev->dma_parms = &sdma->dma_parms; dma_set_max_seg_size(sdma->dma_device.dev, 65535); -- 2.4.5