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Sat, 15 Sep 2018 01:33:25 +0000 Received: from CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::151:b6fe:32c8:cccd]) by CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::151:b6fe:32c8:cccd%9]) with mapi id 15.20.1164.008; Sat, 15 Sep 2018 01:33:25 +0000 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Andy Shevchenko , Vinod Koul , Sasha Levin Subject: [PATCH AUTOSEL 4.14 50/57] dmaengine: idma64: Support dmaengine_terminate_sync() Thread-Topic: [PATCH AUTOSEL 4.14 50/57] dmaengine: idma64: Support dmaengine_terminate_sync() Thread-Index: AQHUTJQJQrKY/6mL+0+p3ygYQ8Zbaw== Date: Sat, 15 Sep 2018 01:33:00 +0000 Message-ID: <20180915013223.179909-50-alexander.levin@microsoft.com> References: <20180915013223.179909-1-alexander.levin@microsoft.com> In-Reply-To: <20180915013223.179909-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;CY4PR21MB0471;6:7ob6I2NkvW2WJR1nmgK3rcZdE9+uhfCueXSPlAnigYq3PZgM/qlkiAM563KvlcHDE6RNZPka6uVJVEW9d/MekzvUSUSvpTt7at30i69B7J6L5/3EtyhUpkLFplrKD4C/kSARR2Xqta+3u+v/aCpY0vUO1oSmOR2bblx2/WA2iCwTHi3anBzzQCKhfQkYWl9UVQr1FgvU7OCkj9xP7FdW3XUU8EnTIs0l518LDrxshZMFY/3GvkmIfrksd2zgLv/JCIo5TZ7hieu7CLHQ9D6CoLeEjvrGP14oXnuKfGKbEaw6gZhS24YwRxSyiM12Ao8VulRAstPz9DNnHbd+xIHdp+wQ1y1lI/qlm/js3O8nGs/n4SsCzXEcf7eNvxCkAzgB2y8O3HIMIzj1OR9YOFYUzhqmuRqiNQaqFYuZH+05MtEgNBxPFl3FQXu6is1ztqZwSlFv2WytBIntsgzugRlbgA==;5:9puyDhWKi86aV1mJDfpE1MehLzzWQrBPg4ndOnc4jlhu/QcPZDJrqbaaO4raYyzuMyW+VIFh96+hTmi6SaqWtN9L+CkaoheHVrA9E1es1CUshE8Fy2cLo4Fz4z9PjU3lMYpSBhskn2UREuK6sJQ4KiT7WpAdKALVUnD/kcE1Kj8=;7:KDEdwXIFVEuaLr3SQFI9E3b7+mZgp/NoLAIqzM74kp6qp9gOOtltEOZu2RG+bpTrvGh43Yfs3ys1+lpKCQHWqFIJ8rhsI2tC04JaHKH047Nn+5OZEesXMP4j1JH/vaNKvOw0mRUW9txxNzGuLA8kA2fNT8XB4hotdVjro9rBa1TusNehyGJvsU3qHi4Bc6Y0Zvcyv04eHvPP46BUOLzsocQ7mkoMzdyZnP1k/ogc4lcuM6MEVwK4VV6/ny5HvFzv x-ms-office365-filtering-correlation-id: 30b9432e-b9b9-4846-2be4-08d61aab3b5e x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989137)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600074)(711020)(4618075)(2017052603328)(7193020);SRVR:CY4PR21MB0471; 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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: Hmmxm4xmtln0mp6A2HnP9DBhX6u0E2aRrChcetJ8bg+5NgGQ0YPEO9nj6Q7BmGD/ApTvafP5cYFWdxv7swDXKs3bx6ihGObYvvieTwweQxQ8iWGP1goIunKBmkluj0USRE08ekYFHL8P+EJITcEPg/5iDgQkbBVp0G84Z/l0omP+dcb/p0htMtMr/baU3wWPlj/fJYxp4E97bZxlygOz3pa6yDvOUwXhDFZYstUVMN3tlpfc4TFko3hDy2u6hURjD1TaL5mbXyHuV4M+Gj7IQ3ihVJO+9xZtbhkb5f7ow7BnlAmwyIVwsOxjRiJQrjVhuvEf/u8I60XXROLkiorGCsUJR0LRNY3XW1GXuiIjAfs= 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: 30b9432e-b9b9-4846-2be4-08d61aab3b5e X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Sep 2018 01:33:00.6177 (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 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