From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753198AbcBKJDO (ORCPT ); Thu, 11 Feb 2016 04:03:14 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:49947 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751496AbcBKJDH (ORCPT ); Thu, 11 Feb 2016 04:03:07 -0500 Subject: Re: [PATCH] dmaengine: omap-dma: Implement device_synchronize callback To: References: <1455180894-2672-1-git-send-email-peter.ujfalusi@ti.com> CC: , , , , From: Peter Ujfalusi X-Enigmail-Draft-Status: N1110 Message-ID: <56BC4DBF.8080605@ti.com> Date: Thu, 11 Feb 2016 11:00:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 MIME-Version: 1.0 In-Reply-To: <1455180894-2672-1-git-send-email-peter.ujfalusi@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/11/2016 10:54 AM, Peter Ujfalusi wrote: > We need the callback to support the dmaengine_terminate_sync(). I have made some typos and I only compiled the kernel after sending the patch.. Resending. > Signed-off-by: Peter Ujfalusi > --- > drivers/dma/omap-dma.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c > index e691f48f9d73..7c6a300b6b57 100644 > --- a/drivers/dma/omap-dma.c > +++ b/drivers/dma/omap-dma.c > @@ -1007,6 +1007,13 @@ static int omap_dma_terminate_all(struct dma_chan *chan) > return 0; > } > > +static void omap_dma_synchronize(struct dma_chan *c) > +{ > + struct omap_chan *c = to_omap_dma_chan(chan); > + > + vchan_synchronize(&c->vc); > +} > + > static int omap_dma_pause(struct dma_chan *chan) > { > struct omap_chan *c = to_omap_dma_chan(chan); > @@ -1110,6 +1117,7 @@ static int omap_dma_probe(struct platform_device *pdev) > od->ddev.device_pause = omap_dma_pause; > od->ddev.device_resume = omap_dma_resume; > od->ddev.device_terminate_all = omap_dma_terminate_all; > + od-ddev.device_synchronize = omap_dma_synchronize; > od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS; > od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS; > od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); > -- Péter