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Mon, 28 Sep 2020 10:02:56 +0000 From: Joakim Zhang To: mkl@pengutronix.de, linux-can@vger.kernel.org Cc: netdev@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V3 0/3] patch set for flexcan Date: Tue, 29 Sep 2020 02:02:50 +0800 Message-Id: <20200928180253.1454-1-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 X-ClientProxiedBy: SGAP274CA0017.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::29) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SGAP274CA0017.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; Mon, 28 Sep 2020 10:02:54 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: a99ae320-4b76-4b7c-de78-08d86395ac0a X-MS-TrafficTypeDiagnostic: DB3PR0402MB3769: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a99ae320-4b76-4b7c-de78-08d86395ac0a X-MS-Exchange-CrossTenant-AuthSource: DB8PR04MB6795.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Sep 2020 10:02:56.6340 (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: /jHkVUdqKZWt7rGjldC5pcN66lss3Fd2WA7Qu7gNWK0R1Eqsq2rdb4vxce+xxYRYSpxR18K1M0YRlbPAq82X0g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3769 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Marc, ECC is enabled by default if SoCs support this feature, so I think the common solution is to initialize all flexcan memory for these SoCs. For that, I create FLEXCAN_QUIRK_SUPPORT_ECC quirk to add this feature, then users can decide to whether select FLEXCAN_QUIRK_DISABLE_MECR qurik or not. If you agree with me, later I will add a patch into patchset to modify devtype_data for vf610, ls1021a and lx2160a, after Pankaj's check. Joakim Zhang (3): can: flexcan: initialize all flexcan memory for ECC function can: flexcan: add flexcan driver for i.MX8MP can: flexcan: disable runtime PM if register flexcandev failed drivers/net/can/flexcan.c | 61 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+)