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Thu, 4 Feb 2021 11:21:44 +0000 From: Joakim Zhang To: peppe.cavallaro@st.com, alexandre.torgue@st.com, joabreu@synopsys.com, davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V4 net 1/5] net: stmmac: stop each tx channel independently Date: Thu, 4 Feb 2021 19:21:40 +0800 Message-Id: <20210204112144.24163-2-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210204112144.24163-1-qiangqing.zhang@nxp.com> References: <20210204112144.24163-1-qiangqing.zhang@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR03CA0128.apcprd03.prod.outlook.com (2603:1096:4:91::32) To VI1PR04MB6800.eurprd04.prod.outlook.com (2603:10a6:803:133::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR03CA0128.apcprd03.prod.outlook.com (2603:1096:4:91::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.11 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?4oNeGM8vJMh9triDw8LxhUJqH6yRg9v4W99s9DUqI8tm49iKoEraj0jle/Y7?= =?us-ascii?Q?B9nFQMslVO6aWwKV7vAEeLgrGMrrnfLfi/Z2USjU+6geS+i39TJayyrf6aO/?= =?us-ascii?Q?E6E4dIHCLtJtxKXSZh+0D3fimGgd2L/xxR3KmsH4gvsPfCzbcMox6BzojJH0?= =?us-ascii?Q?Cr0DbLh3PLt+ywJ1Xxxsb9PLAt0KEjYIzBBf2TBpd8BVNh3kFNZzPP54jToV?= =?us-ascii?Q?zFovTHZPhnL6umvt51Mz6eCtZbNPsvpSjd7F10esSaW69bHT5q58QHp/mJDl?= =?us-ascii?Q?vQSomfw418AObQFc8YYZr77v7+nFHmyDePPNd8oU/q4ZDiknQ63jg2Ro52PI?= =?us-ascii?Q?wX0qdiju6095CJ7PYVTj/ZSAs7ykRRhZ+etjv3Y7grn9KWtYiqEk6S851GT9?= =?us-ascii?Q?Js1QNMoIIfjDZXBsowEugahTNguwLkg2Wkvp8yMRX8PQH70IcY5fONtbZW+m?= =?us-ascii?Q?R6eBY9atB59r1TiT5u5QmOjAbRGiopHRK0eGcmJZie4l1z2VRjZVQqXHbBFs?= =?us-ascii?Q?uPNhqW1nEzdZOWPY0yoKcClvTFoF0puPKZUhKZDJoP81UD0lG5VVpIgvOFng?= =?us-ascii?Q?zR95Elr584Cl/hvtg4iYbAza2aK4lxDJq9FzLMn9pC4zvLligodxx4s31UcC?= =?us-ascii?Q?DE2nDSMkspT3jXI/ZfUQUNXBlU7/aCcm3ngO4czTuHNXC6C4SWvgXoMsa3js?= =?us-ascii?Q?K/o3C6tKK0LtHRxeA+xKfnJPogBmP6gHFHQR5nx3ZgosWn+T9ZOXPvwZ7iTF?= =?us-ascii?Q?S9ZGFkeHG16bsWhcLrxY6/UWiX2UIeHGbYnMwb3D/JeAXZO76uYNQdkhhyoq?= =?us-ascii?Q?l85amfsMif02lLHNOKd3atRsyOI3h5vEn1G4RmPz2tkr7u7gxlBqFbrgcaRQ?= =?us-ascii?Q?7qRCYYxeDalwq3HixYuEHGeUpVgS2kvWVosSZNUg2eppTrQKUpkkKXokajHW?= =?us-ascii?Q?EjruVkkxYx1Nyibmk8Av7aCfkGyeintxABiC54S7CPwaygtvOCIZbVsfR5Ok?= =?us-ascii?Q?orULBcnS/a8o2alPN88CTWggCFDnmbXjw3kzm1FsXgqkwkn42yMzl6t9nifb?= =?us-ascii?Q?YCHJHaE/?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 99e3215a-2dd1-43d8-b39b-08d8c8ff0c53 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB6800.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Feb 2021 11:21:42.5089 (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: +ixa2nxsjaBgbNkYdaf0hu0AIU1rboBOirbVsgp0DqoVNho3V8wc9+3Uu2qownWP3Nbno/PNGL/WxLieEd2gHw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6366 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If clear GMAC_CONFIG_TE bit, it would stop all tx channels, but users may only want to stop specific tx channel. Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx") Signed-off-by: Joakim Zhang --- drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c index 0b4ee2dbb691..71e50751ef2d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c @@ -53,10 +53,6 @@ void dwmac4_dma_stop_tx(void __iomem *ioaddr, u32 chan) value &= ~DMA_CONTROL_ST; writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan)); - - value = readl(ioaddr + GMAC_CONFIG); - value &= ~GMAC_CONFIG_TE; - writel(value, ioaddr + GMAC_CONFIG); } void dwmac4_dma_start_rx(void __iomem *ioaddr, u32 chan) -- 2.17.1