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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: xSOQjqkh9o1KDOfLfTKelc3wuC29hAhC0njqPIkFamy5GYKPFrleyhZNb9FjTRPLA/78/DryV3pJ0VTFduYQjFf0edMB3WSchc0Y2q9dC9Be9UV5aVAljZjY+QW8JBVOTTTTjjLg+KQZ9LDMxVtKVA4xQBEjpWnV8SqJSFH8w3YPV74rpPcj8dE2mIA8sGAEBWfsJE81M6zAQc8qV2rpNPCiJsyVzn34QfxqOoxGdxOq95MTSdIqtobCzPDcF96Q2t99WvO+KAfIa7L/2vvg11DjSxRdUZ3GmpLrlpWd5VtAQfOhCnbd9M5/SZ5IKdJSZPW5M4Qy955VTcnGcCWmrd+skJ9A+WH9xh+XGgxIUEw= 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: aeca829d-37ee-4489-1afd-08d61aab3b2c X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Sep 2018 01:33:00.0239 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0471 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko [ Upstream commit 2abc66cd499aa16876e45c6438788902f7d1ce22 ] 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/hsu/hsu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c index 29d04ca71d52..202ffa9f7611 100644 --- a/drivers/dma/hsu/hsu.c +++ b/drivers/dma/hsu/hsu.c @@ -413,6 +413,13 @@ static void hsu_dma_free_chan_resources(struct dma_cha= n *chan) vchan_free_chan_resources(to_virt_chan(chan)); } =20 +static void hsu_dma_synchronize(struct dma_chan *chan) +{ + struct hsu_dma_chan *hsuc =3D to_hsu_dma_chan(chan); + + vchan_synchronize(&hsuc->vchan); +} + int hsu_dma_probe(struct hsu_dma_chip *chip) { struct hsu_dma *hsu; @@ -459,6 +466,7 @@ int hsu_dma_probe(struct hsu_dma_chip *chip) hsu->dma.device_pause =3D hsu_dma_pause; hsu->dma.device_resume =3D hsu_dma_resume; hsu->dma.device_terminate_all =3D hsu_dma_terminate_all; + hsu->dma.device_synchronize =3D hsu_dma_synchronize; =20 hsu->dma.src_addr_widths =3D HSU_DMA_BUSWIDTHS; hsu->dma.dst_addr_widths =3D HSU_DMA_BUSWIDTHS; --=20 2.17.1