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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: 2mNtGiD2FJbluZy9nYvNszV8MB7XHcbObFUTu6vSwIxD/uHXiPJ6Cdm28PapTqbgsAKXha/YW/v3nCRLkvJtfhI9hrjGRi9H6N2NqJt1ZA0+Y2kHLfnvWWAPMJTFH9q6F/vF2/IIW6k9J5x+C6RB0/gNwkP6MzRvnolG4hlNgpzXK1Naof7owuOeNT0IzwFohIdEZYi+eTJ+wOZPsz+RFT6O5FmrS+xvBMZUFY8qaschGvi3j55wnsfOW4oI4eoFvAun+dhHi1ALy3hDbwsPPEgUw0QXJ5Sll90RvuCtLH4ShL6/wm1w7Wl8gZGZz0eNieCvGowhumKI/RVjy0y/05S76Ddl9ZfhwMT6Tm1SNxE= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9fb540ad-c2f1-48ef-dc0d-08d61aab7cf7 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Sep 2018 01:34:45.6610 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0823 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko [ Upstream commit bbacb8e78a3b29ebdbb6af7d54fcf25d3f1c248f ] It appears that the driver misses the support of dmaengine_terminate_sync()= . Since many of callers expects this behaviour implement the new device_synchronize() callback to allow proper synchronization when stopping a channel. Fixes: b36f09c3c441 ("dmaengine: Add transfer termination synchronization s= upport") Signed-off-by: Andy Shevchenko Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/idma64.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 1953e57505f4..2ee93cf98f00 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -496,6 +496,13 @@ static int idma64_terminate_all(struct dma_chan *chan) return 0; } =20 +static void idma64_synchronize(struct dma_chan *chan) +{ + struct idma64_chan *idma64c =3D to_idma64_chan(chan); + + vchan_synchronize(&idma64c->vchan); +} + static int idma64_alloc_chan_resources(struct dma_chan *chan) { struct idma64_chan *idma64c =3D to_idma64_chan(chan); @@ -583,6 +590,7 @@ static int idma64_probe(struct idma64_chip *chip) idma64->dma.device_pause =3D idma64_pause; idma64->dma.device_resume =3D idma64_resume; idma64->dma.device_terminate_all =3D idma64_terminate_all; + idma64->dma.device_synchronize =3D idma64_synchronize; =20 idma64->dma.src_addr_widths =3D IDMA64_BUSWIDTHS; idma64->dma.dst_addr_widths =3D IDMA64_BUSWIDTHS; --=20 2.17.1