From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932083AbcBKJD0 (ORCPT ); Thu, 11 Feb 2016 04:03:26 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:35975 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751496AbcBKJDQ (ORCPT ); Thu, 11 Feb 2016 04:03:16 -0500 Subject: Re: [PATCH] dmaengine: edma: Implement device_synchronize callback To: References: <1455180872-2620-1-git-send-email-peter.ujfalusi@ti.com> CC: , , , , From: Peter Ujfalusi Message-ID: <56BC4DC9.6000309@ti.com> Date: Thu, 11 Feb 2016 11:00:57 +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: <1455180872-2620-1-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/edma.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c > index 2dac314a2d7a..ea0d919a3318 100644 > --- a/drivers/dma/edma.c > +++ b/drivers/dma/edma.c > @@ -869,6 +869,13 @@ static int edma_terminate_all(struct dma_chan *chan) > return 0; > } > > +static void edma_synchronize(struct dma_chan *c) > +{ > + struct edma_chan *echan = to_edma_chan(chan); > + > + vchan_synchronize(&echan->vchan); > +} > + > static int edma_slave_config(struct dma_chan *chan, > struct dma_slave_config *cfg) > { > @@ -1808,6 +1815,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode) > s_ddev->device_pause = edma_dma_pause; > s_ddev->device_resume = edma_dma_resume; > s_ddev->device_terminate_all = edma_terminate_all; > + s_ddev->device_synchronize = edma_synchronize; > > s_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS; > s_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS; > @@ -1833,6 +1841,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode) > m_ddev->device_pause = edma_dma_pause; > m_ddev->device_resume = edma_dma_resume; > m_ddev->device_terminate_all = edma_terminate_all; > + m_ddev->device_synchronize = edma_synchronize; > > m_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS; > m_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS; > -- Péter