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Mon, 30 Nov 2020 09:51:43 +0000 Subject: Re: [PATCH 0/2] rtc: pcf2127: only use watchdog when explicitly available To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Alexandre Belloni , Qiang Zhao , Bruno Thomsen Cc: linux-rtc@vger.kernel.org, a.zummo@towertech.it, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, kernel@pengutronix.de, Wim Van Sebroeck , Guenter Roeck References: <20200924074715.GT9675@piout.net> <20200924105256.18162-1-u.kleine-koenig@pengutronix.de> From: Rasmus Villemoes Message-ID: Date: Mon, 30 Nov 2020 10:51:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: <20200924105256.18162-1-u.kleine-koenig@pengutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [5.186.115.188] X-ClientProxiedBy: AM6PR04CA0002.eurprd04.prod.outlook.com (2603:10a6:20b:92::15) To AM0PR10MB1874.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:3f::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [192.168.1.149] (5.186.115.188) by AM6PR04CA0002.eurprd04.prod.outlook.com (2603:10a6:20b:92::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?QitkTitmOW8yanlmdnNJTHRBdWNmKzdibWRFU0xTRnhhcGVyVW8zWk5xRXFr?= =?utf-8?B?YjhRSWFMallRZkU5OHdkMkcrT0xmOW0rb0tHSXFtVUNVZkQ4dVJqZzRXaEcr?= =?utf-8?B?eDM0WWpiQm5BMnh3RmR1b0FqakN1MlU0RUo1cGk1dVdaRCtIaXJXL0crY2Fn?= =?utf-8?B?YnlvWlBINGIzWWVVLzBKZTN3azJsK2N5Vk9BMjN6ZWo0LzRENWo5clBLS0Vl?= =?utf-8?B?SmlGTU1pUTJoMkNLUTRIWklnYzR0K1p1RlRVMFBCOGhyMENpTDZJQlFCUysy?= =?utf-8?B?aXN1WGJ2NllnYyt5ZW1veGd3ZUwxTm1MT001RTlpU1hiLzBsUlgxdUZ4YUEr?= =?utf-8?B?RTM3dVNTeUdodGVFODNrK2xOOG5YSjNFNkYrVkljTnVpMDlhYmVpTmFyQ2FZ?= =?utf-8?B?bkQ4TlFPbFNaMU5iUnd3Vk1NU2VpZnNWWlVDSU8vWXF3aUhCNzlQT2pXQ1BB?= =?utf-8?B?cFpYZEJmVjFRZ0dTRFNqL29GVjF6QjhxZlh6WS91K2U2MEREYWlyMzUrYVRo?= =?utf-8?B?ZDhYb2pwWnRFUGNBRWFHa1ozS1puZ3grbk45NW1YZlZRcVI4cG00Vmhsa2di?= =?utf-8?B?eDM5eXJkd1pBQjl5R1FkUEN0d2d5ZUh0K3I0aFppOWRCeFdkTXBoRGFxaUxK?= =?utf-8?B?RzFXY2RXZXB1cnVzSTVPc2gyK2pMTUM1TndneUo5bmJKYXFMa0hzbU1WY1pr?= =?utf-8?B?VmRNQkM3RHg4QjNLMVZUM2ZhcHFnVEtBVytHWHJ2aXpTRjdnaDNxUlpWS1Bm?= =?utf-8?B?RHA3aURHRXJMLzExb3pYUlJmL1FMZDcxWm1wN1gydHhtYjIzc1pvQmxWcEI5?= =?utf-8?B?aUYreS95UmhHc1JJaVU4UThKTm9QTzBJMDFQL3hRVGplWmJ6V0t6UFVZaENp?= =?utf-8?B?VDVwVmMyRW0yOFJpN1Z6MGk0anlCTXlyUTg1cDFnYWlxaU1yMnJDWTIzeEFs?= =?utf-8?B?QmRlYlVMT01pd0xwblpNRUZrNGtOVFI5cHNEaDhHL3o5RDEvT0hoSW5wTnRW?= =?utf-8?B?c1ptdU4wRGJpOWNNSFRvUGZMdHJaRnlhdmo4OUdoeVJkOUNYbm82L05ZWnUz?= =?utf-8?B?UkY4WVo5MStrRVVHcUIxM1l3VnhvNmJ3VnhaeVdlSUFlKyt5Uy9vTmZnUkVY?= =?utf-8?B?c29PQnhaVmNCWW5CNEgza003SEQ1VzBrT0NwSU0rVUh6Y0hGek9iTlJKZ3NH?= =?utf-8?B?Q3JVU0VPK3VDYlJCdVEvczdFMHZWNE5pR0xpeXRjWGIyL0hRZHZ3WkkwRGpF?= =?utf-8?B?b2k5c0xQSlJqaWV0WUcxUGdOdmZ3VmFSblpTZ3c4RkJJOVFKaDhabTNlZG00?= =?utf-8?Q?KlowvrSMb6Lwes31Oy+PcHf86/dqVMwPeL?= X-OriginatorOrg: prevas.dk X-MS-Exchange-CrossTenant-Network-Message-Id: 86d23d89-34d4-4894-9cff-08d895158abd X-MS-Exchange-CrossTenant-AuthSource: AM0PR10MB1874.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2020 09:51:43.3745 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d350cf71-778d-4780-88f5-071a4cb1ed61 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: LSm3AAjuVV9KOrjatHdMxiMC7zSCkpR5xZtbb9p5IoxfOAeNGQYoT5lt5fIx1SW1DBuUrWCHoYc4hCMzuk0zxSfoM0WaOE9kgfki7I99U4I= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR10MB4132 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/09/2020 12.52, Uwe Kleine-König wrote: > Hello, > > now that there are two people stumbling over the pcf2127 driver > providing a non-functional watchdog device, here comes an RFC patch to > address this. I just want to add a "me too" here, as I'm also now affected by the pcf2127 exposing a watchdog device (1) it didn't use to (affecting what /dev/watchdog0 means) and (2) is not actually hooked up in hardware. So can we please move forward with adding the has-watchdog opt-in DT property so existing boards will not be affected? Thanks, Rasmus