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dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VE1PR04MB6640.eurprd04.prod.outlook.com (2603:10a6:803:122::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3131.26; Tue, 30 Jun 2020 05:24:44 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3131.028; Tue, 30 Jun 2020 05:24:43 +0000 From: Robin Gong To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com, vkoul@kernel.org, will.deacon@arm.com, shawnguo@kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, martin.fuzzey@flowbird.group, u.kleine-koenig@pengutronix.de, dan.j.williams@intel.com, matthias.schiffer@ew.tq-group.com Subject: [PATCH v10 03/12] Revert "dmaengine: imx-sdma: refine to load context only once" Date: Tue, 30 Jun 2020 21:31:07 +0800 Message-Id: <1593523876-22387-4-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593523876-22387-1-git-send-email-yibin.gong@nxp.com> References: <1593523876-22387-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR06CA0132.apcprd06.prod.outlook.com (2603:1096:1:1d::34) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR06CA0132.apcprd06.prod.outlook.com (2603:1096:1:1d::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3131.21 via Frontend Transport; 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PTR:; CAT:NONE; SFTY:; SFS:(4636009)(376002)(346002)(136003)(39860400002)(366004)(396003)(86362001)(956004)(6666004)(2616005)(52116002)(7416002)(4326008)(6506007)(6486002)(2906002)(5660300002)(186003)(26005)(36756003)(16526019)(8676002)(478600001)(316002)(83380400001)(66946007)(66476007)(6512007)(8936002)(66556008)(921003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: +/XH65o/mOhYD5+trLY0On4cN/32lFGPhZF5kD3Gz5ct+ZHfz2Bkuiop6Hf575eOupcRb5kTeSL5dNfUyoS/g2fuHn7ZBga6bvEsM6EQHQjBNDhvxFbFi/QjpOMybneuH4Zbpd1g9+HjlvmOHxxu0RbxNa+8KaHOoaUpH2mpS80PCCSMo0BCduqdP67c8wZJgEZBnRunx2LVQaYtkYoi51fT6JmtCf9t68+fuudi7LoSHcdzF05zvvYCI5/EuoCMfpQcmZJSGxGPLJXhnoUQAj1/obkOeyPwU7n0J84K7NVu8r1mlVESCWdNT3SJMUsAAsHI4md5e9JaPjREPxC6VR5fr0cKaMuuSXySIRZivlBinfemCeE7ocRkbxUJmVyx9F7eIkAclX3rNybKWeckK1TB3tpwTrMpCdscDg9x/AEW0qz2AsJe1V68V9t60hwySMdv/483hL3EkKq5TU9wcv2W5y1x3z5mlzPC29iKeC4= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: dc80ae24-7547-47f3-f42d-08d81cb5e559 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2020 05:24:43.7709 (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-CrossTenant-UserPrincipalName: +qIQ96zN+MBGlSdhEM68R622cue7qgol2+WQO5q5Oc7HE4nbTErJx+Zh8o0Lxmnj4bs9OoNJkzk1emMr6NN0ow== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6640 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.6.55 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.55 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 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, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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 Acked-by: Sascha Hauer --- drivers/dma/imx-sdma.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 270992c..d305b80 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; }; @@ -984,9 +983,6 @@ 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) @@ -1029,8 +1025,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) spin_unlock_irqrestore(&sdma->channel_0_lock, flags); - sdmac->context_loaded = true; - return ret; } @@ -1069,7 +1063,6 @@ static void sdma_channel_terminate_work(struct work_struct *work) vchan_get_all_descriptors(&sdmac->vc, &head); spin_unlock_irqrestore(&sdmac->vc.lock, flags); vchan_dma_desc_free_list(&sdmac->vc, &head); - sdmac->context_loaded = false; } static int sdma_terminate_all(struct dma_chan *chan) @@ -1337,7 +1330,6 @@ static void sdma_free_chan_resources(struct dma_chan *chan) sdmac->event_id0 = 0; sdmac->event_id1 = 0; - sdmac->context_loaded = false; sdma_set_channel_priority(sdmac, 0);