From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: Re: [PATCH] dmaengine: edma: Implement device_synchronize callback Date: Thu, 11 Feb 2016 11:00:57 +0200 Message-ID: <56BC4DC9.6000309@ti.com> References: <1455180872-2620-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1455180872-2620-1-git-send-email-peter.ujfalusi@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: vinod.koul@intel.com Cc: linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, nsekhar@ti.com, linux-omap@vger.kernel.org List-Id: linux-omap@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. >=20 > Signed-off-by: Peter Ujfalusi > --- > drivers/dma/edma.c | 9 +++++++++ > 1 file changed, 9 insertions(+) >=20 > 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 *c= han) > return 0; > } > =20 > +static void edma_synchronize(struct dma_chan *c) > +{ > + struct edma_chan *echan =3D 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 =3D edma_dma_pause; > s_ddev->device_resume =3D edma_dma_resume; > s_ddev->device_terminate_all =3D edma_terminate_all; > + s_ddev->device_synchronize =3D edma_synchronize; > =20 > s_ddev->src_addr_widths =3D EDMA_DMA_BUSWIDTHS; > s_ddev->dst_addr_widths =3D EDMA_DMA_BUSWIDTHS; > @@ -1833,6 +1841,7 @@ static void edma_dma_init(struct edma_cc *ecc, = bool legacy_mode) > m_ddev->device_pause =3D edma_dma_pause; > m_ddev->device_resume =3D edma_dma_resume; > m_ddev->device_terminate_all =3D edma_terminate_all; > + m_ddev->device_synchronize =3D edma_synchronize; > =20 > m_ddev->src_addr_widths =3D EDMA_DMA_BUSWIDTHS; > m_ddev->dst_addr_widths =3D EDMA_DMA_BUSWIDTHS; >=20 --=20 P=E9ter