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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99236C433F5 for ; Tue, 29 Mar 2022 12:55:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234621AbiC2M5h (ORCPT ); Tue, 29 Mar 2022 08:57:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235985AbiC2M5c (ORCPT ); Tue, 29 Mar 2022 08:57:32 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 558605FE8 for ; Tue, 29 Mar 2022 05:55:47 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-306-5I-tp7LzNCi51Sa3kT1ULw-1; Tue, 29 Mar 2022 13:55:43 +0100 X-MC-Unique: 5I-tp7LzNCi51Sa3kT1ULw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Tue, 29 Mar 2022 13:55:42 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.033; Tue, 29 Mar 2022 13:55:42 +0100 From: David Laight To: 'Matthias Schiffer' , Lukas Wunner CC: Greg Kroah-Hartman , Jiri Slaby , Russell King , "linux-serial@vger.kernel.org" , "linux-kernel@vger.kernel.org" , =?utf-8?B?SWxwbyBKw6RydmluZW4=?= , "Lino Sanfilippo" Subject: RE: [PATCH] serial: Revert RS485 polarity change on UART open Thread-Topic: [PATCH] serial: Revert RS485 polarity change on UART open Thread-Index: AQHYQ1k5q26PsxFKq0WuXVn++R8i1qzWT4pQ Date: Tue, 29 Mar 2022 12:55:42 +0000 Message-ID: <749eee7dd2c7464a8c4d9ea5972205fa@AcuMS.aculab.com> References: <20220329085050.311408-1-matthias.schiffer@ew.tq-group.com> <20220329100328.GA2090@wunner.de> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTWF0dGhpYXMgU2NoaWZmZXINCj4gU2VudDogMjkgTWFyY2ggMjAyMiAxMTozOQ0KLi4u DQo+IEkgZ3Vlc3MgdGhhdCB3b3VsZCB3b3JrLiBUaGUgZmFjdCB0aGF0IGV2ZW4gdGhlIGRpZmZl cmVudA0KPiB2YXJpYW50cyBvZiB0aGUgODI1MCBhcmUgaW1wbGVtZW50ZWQgaW5jb25zaXN0ZW50 bHkgbWFrZXMgdGhpcw0KPiBlc3BlY2lhbGx5IHVnbHkuLi4gSXQgY2VydGFpbmx5IHB1dHMgYSBk YW1wZXIgb24gdGhlIGVmZm9ydHMgdG8gbWFrZQ0KPiB0aGUgaGFuZGxpbmcgb2YgUlM0ODUgaW4g c2VyaWFsIGRyaXZlcnMgbW9yZSBnZW5lcmljLg0KDQpPbmUgdGhpbmcgdG8gcmVtZW1iZXIgaXMg dGhhdCBSUzIzMiAoSUlSQyByZWFsbHkgVi4zOCkgbGluZSBkcml2ZXINCmNoaXBzIGFyZSB0eXBp Y2FsbHkgaW52ZXJ0aW5nLg0KDQpTbyB0aGUgbW9kZW0gc2lnbmFscyBvbiBhIFRUTCBsZXZlbCBv dXRwdXQgd2lsbCBoYXZlIHRoZQ0Kb3Bwb3NpdGUgcG9sYXJpdHkgdG8gdGhhdCByZXF1aXJlZCBv biB0aGUgYWN0dWFsIGNvbm5lY3Rvci4NCg0KTm9ybWFsbHkgYSBVQVJUIHdpbGwgaGF2ZSBhbiAn YWN0aXZlIGhpZ2gnIHJlZ2lzdGVyIGJpdCBmb3INCmEgbW9kZW0gc2lnbmFsIHRoYXQgZHJpdmVz IGFuZCAnYWN0aXZlIGxvdycgcGluIHNvIHlvdSBnZXQNCnRoZSBjb3JyZWN0IHBvbGFyaXR5IHdp dGggYW4gaW52ZXJ0aW5nIGxpbmUgZHJpdmVyLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBB ZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMs IE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K