From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05D2DC004C9 for ; Tue, 7 May 2019 09:16:32 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3FB12087F for ; Tue, 7 May 2019 09:16:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FGlvamxy"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="JXqy3cXi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3FB12087F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k0Du9CAm/uEVVGmXAFNW4kBz2i/6gioPHP7tbRSOav0=; b=FGlvamxy/RYgXw kz/XhK9Im3JNEzCZ9ZwDlPXEiEKl5cHuoRSnoYgaYzh/eNDZunRD9DcE+Nu7dSCqN6iwGOLdh3DnK 43rw3fHzkrEsa57jA5+F7LVXfq7ge7MTfF0jE0Zns9/qFkAGfD1WYVKKilAK81nh3JsQEO7MwqIjG AvE0WAOaD1X99xVaQ0HLQl1tbqiWLhtzxh3fRKFNVrRyKoXwSvCgyDcKKBgtjSYhtwRbGZ4R/b1Pw DOASZNZWIJIE4vTxYzWfcxzbj9vaGKNoogWqAMOSlxnhw5199/F6xgfkqSv1aanE0ceT5T+WYfKz7 G9Q6OCGBMgljQCPPa7rg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNwD0-0000zE-Q3; Tue, 07 May 2019 09:16:22 +0000 Received: from mail-vi1eur04on0605.outbound.protection.outlook.com ([2a01:111:f400:fe0e::605] helo=EUR04-VI1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNwCe-0000Ix-66 for linux-arm-kernel@lists.infradead.org; Tue, 07 May 2019 09:16:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ne8lUTHYIL86i2wNgDyCIKewW238BE0WWwtYB4rlmGc=; b=JXqy3cXiqu9demRVtXbF7foDWlf4FtG1oQFQqOHOAN4lj3XTYpu5vwQvTDW9fAH0eIVnxxjQ96XmNjWWol2kMewbd0qc9/Sl9twmw53viLrCKTghe9H/LEQC874j/E9BJ+QCxXMv9dOLZCFbJSn7AKhZ43/DdgvFHbEaq8t3hcc= Received: from VI1PR04MB4543.eurprd04.prod.outlook.com (20.177.55.90) by VI1PR04MB3184.eurprd04.prod.outlook.com (10.170.229.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1856.15; Tue, 7 May 2019 09:15:53 +0000 Received: from VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525%4]) with mapi id 15.20.1856.012; Tue, 7 May 2019 09:15:53 +0000 From: Robin Gong To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" Subject: [PATCH v3 03/14] Revert "dmaengine: imx-sdma: refine to load context only once" Thread-Topic: [PATCH v3 03/14] Revert "dmaengine: imx-sdma: refine to load context only once" Thread-Index: AQHVBLV4PrqnG+2A2UC5DKEfCD6/JQ== Date: Tue, 7 May 2019 09:15:53 +0000 Message-ID: <1557249513-4903-4-git-send-email-yibin.gong@nxp.com> References: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> In-Reply-To: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR04CA0088.apcprd04.prod.outlook.com (2603:1096:202:15::32) To VI1PR04MB4543.eurprd04.prod.outlook.com (2603:10a6:803:6d::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yibin.gong@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: fac4926f-5e8e-464d-310f-08d6d2cc9b0f x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020); SRVR:VI1PR04MB3184; x-ms-traffictypediagnostic: VI1PR04MB3184: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:119; x-forefront-prvs: 0030839EEE x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39860400002)(346002)(396003)(136003)(376002)(366004)(189003)(199004)(478600001)(2906002)(7416002)(68736007)(81156014)(8676002)(4326008)(6116002)(81166006)(86362001)(2201001)(2501003)(476003)(256004)(446003)(11346002)(14444005)(2616005)(6512007)(486006)(8936002)(3846002)(110136005)(6436002)(36756003)(5660300002)(66066001)(99286004)(54906003)(7736002)(66446008)(64756008)(66556008)(102836004)(66476007)(14454004)(25786009)(73956011)(71190400001)(71200400001)(66946007)(305945005)(386003)(6486002)(53936002)(50226002)(6506007)(76176011)(186003)(52116002)(26005)(316002)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR04MB3184; H:VI1PR04MB4543.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 50ZmTTmWJrPCciKxzS31qpBeLHzbeL3PLWLiuc61sFzxUlH9g+eHVaK2PKMNT+ZtA5kFHIqLsMiNH7GRttraeEAw21OrLNJzayenkR0Za6nhqpKYp0t2s4xTz1vHTUqU4QTNGMKD6D0aRKjx3iQR3vqdWmIrO1l4nAyw9eT43/roGarvvPrs2UUpXn/ipPr4ab/lD+4STG9q9kePoCt9Q6AKkERwfDPefVyVsD3t6490NVWWNMTNQlVLQgGj4TPX8qqxaklA3Td7ScUIvi+DhlqCorOaOe78fM2pfHB6pJYWlQ6SHLiofl8HbkXFORTEBmrjenzPqRDNYjgp1xi6SAggoSYLnEePuraBgm41vaYcbU5DuxgeLFXzjUqMjbKmaOPLNXZXczekJIkZ+yUQ9MLpKB4KCVNHcmriuGfg9cY= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: fac4926f-5e8e-464d-310f-08d6d2cc9b0f X-MS-Exchange-CrossTenant-originalarrivaltime: 07 May 2019 09:15:53.8380 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB3184 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190507_021600_845858_360682E2 X-CRM114-Status: GOOD ( 12.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-spi@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , "dmaengine@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This reverts commit ad0d92d7ba6aecbe2705907c38ff8d8be4da1e9c, because in spi-imx case, burst length may be changed dynamically. Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 99d9f43..407a56e 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -377,7 +377,6 @@ struct sdma_channel { unsigned long watermark_level; u32 shp_addr, per_addr; enum dma_status status; - bool context_loaded; struct imx_dma_data data; struct work_struct terminate_worker; }; @@ -988,9 +987,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) int ret; unsigned long flags; - if (sdmac->context_loaded) - return 0; - if (sdmac->direction == DMA_DEV_TO_MEM) load_address = sdmac->pc_from_device; else if (sdmac->direction == DMA_DEV_TO_DEV) @@ -1033,8 +1029,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) spin_unlock_irqrestore(&sdma->channel_0_lock, flags); - sdmac->context_loaded = true; - return ret; } @@ -1074,7 +1068,6 @@ static void sdma_channel_terminate_work(struct work_struct *work) sdmac->desc = NULL; spin_unlock_irqrestore(&sdmac->vc.lock, flags); vchan_dma_desc_free_list(&sdmac->vc, &head); - sdmac->context_loaded = false; } static int sdma_disable_channel_async(struct dma_chan *chan) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel