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Sat, 15 Sep 2018 01:31:39 +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 01:31:39 +0000 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Andy Shevchenko , Vinod Koul , Sasha Levin Subject: [PATCH AUTOSEL 4.18 81/92] dmaengine: idma64: Support dmaengine_terminate_sync() Thread-Topic: [PATCH AUTOSEL 4.18 81/92] dmaengine: idma64: Support dmaengine_terminate_sync() Thread-Index: AQHUTJO6odciNGLM5keGEAZTvfzyUA== Date: Sat, 15 Sep 2018 01:30:47 +0000 Message-ID: <20180915012944.179481-80-alexander.levin@microsoft.com> References: <20180915012944.179481-1-alexander.levin@microsoft.com> In-Reply-To: <20180915012944.179481-1-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;CY4PR21MB0470;6:bhff3keotjKhtgT9SjZyJGp6HLH0MhAP8XBv6ZDBUwRew0/sqnnC841ubzxjBWssnvx6jQ4vZSsYps9ysO/TL3NBHI75RpwwpBqXOfjUcHNxXzjWRQo6h1e3Uc0Ijr9LYjwmtU8hzadeioY15g2W7PurgLCGiFm84BSDnmaPm6hbIX7vhnlyP/FLD7yAjhZg8ZJet8jM1BSdUBPgZte4Jzk2+lycXn9xlU2Y2su7TKwkGppFbak4Pj8uOqsZh+HMeMQtJMfz3mTqDM6aMSO9ytqrUZHuY7Iw0Y90GmhZ6Bab/oech5iVN4FwXVS9j/Qzx/R7fU9fEuP//ZX/3mysUEyazeSPouC1YhaKMPplWd+500ZgVF+tFMbOX21W2A/T1e9oIv2YzR3WH7EfcD8gUWfwZ4EV+M7S8qjJk86V6PCwtnhmd9e7lBAoMivaCcM/iEoC4TWoPi608ReTTK4SLw==;5:PdIEfbvIkqh6n1fEOpsYa18Z8hU7tTxVZbdrVLUNp82sxO4lrdEZxHiynd8EeDrgHsRHGHIBCH2nKjPKcQ/mzLYpam7toizLhs96iz/H/3mmiCtf9yBGiazA43m57k0zeNXHOO2r8JIEkUFw5gPkliae24XP4XHTnNaUfyc3yqQ=;7:FT1mXfpHuIIStqXkATxPPhq4+MiU2MfuhENQ3RXf2XGRY+KAqnyPNiOXwtHufeijlPUNxKqXjuPwGAdrpGuBvsl+rmgUDIMO0myv+hyi37/O9MJuorZctqYNGvJuaAtDj8xazK/whHPBJhp8XKm2Al36DdkDKt52lqykzY9qMyvvNcr4d6z8LCmggsyvxSPc4FtypjX/hOoHBiQ9AtHl4vGLSz52lAz08R+hezKpK93QNMqd48Q8BIJOtNoF0T/w x-ms-office365-filtering-correlation-id: 5b692d9c-4d31-49af-de38-08d61aaafbd5 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:CY4PR21MB0470; 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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: wG2HAWfM00G6mybdjPXAeLEGgzEJQv9dqXSZg5uRe9muXcIn/VKcMrqa3LJx5xJmL1vaLjOzix/qCSMXv0l32HhHryejjJrv7sFeKFe+/H1eVvY9GKkHTxkJJQ3OToySaRqV601PVNsnG98Sa0Vnmvaa+WsNfrEvy3NnjhT5eDeLL1cjjp/Tl+4qys/u9BRw3kwE/uL/MWlqR6Aysx/tlqIqsntN/EJzEqGwoU5PzT25U7dvE/231ZxYatY69jnuYGTZ6m8WZKRjQXRapJ1JR6nwnUao9ZIs26YsCxJNwu6K/Pt+PeBQ+RdxqQRaGMTOCVnhRx+l1dS7U1CBfzk3kAmPFF20aetRQNg6TcS0qeM= 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: 5b692d9c-4d31-49af-de38-08d61aaafbd5 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Sep 2018 01:30:47.6198 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0470 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 e5c911200bdb..1fbf9cb9b742 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