From patchwork Wed Feb 20 15:27:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 10822363 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8282E13B5 for ; Wed, 20 Feb 2019 15:28:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6754A2E641 for ; Wed, 20 Feb 2019 15:28:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B7582E7E0; Wed, 20 Feb 2019 15:28:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 86B3C2E641 for ; Wed, 20 Feb 2019 15:28:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FLGA6d6wiHabpbbxELZUDjUAEeVR59v1kx5UaMifdnw=; b=Wb82wRwWsf6EY9nnizQsJbjuU 03ddyrBkAF6OBJ/y3YUkiJhZOlC0Bqimoqh/sd2LAWIjoIqw7mxXI8rVtkjOvKF4nv86BWi8DIX0C hIkXy/bLGrvGW/QpsAgAUigX725IFfmQLD4dNCDQATWDUoXvCDi3EDMY/n4OMC4RyOoJmGwnAbRou 6fvxC8Lj2nIrQdlS/px13F/sb28twzCrxx+PKnyxG7XY9emmkhI+WzEhxVbhB4J9EqI20zcmPewMR XqXIplVn+JIjBIb0xOlkyWHc7fhNhTSXRM26e4rRQ2x2PcV/NBrfWL04+xAU9bE0a2P1ybvVWDUdg gATBKbyKw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwTnC-0001zk-Q8; Wed, 20 Feb 2019 15:28:14 +0000 Received: from mx-ginzinger.sigmacloud.services ([185.154.235.147]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwTn7-0001vZ-G2 for linux-arm-kernel@lists.infradead.org; Wed, 20 Feb 2019 15:28:12 +0000 Received: from [31.193.165.228] (port=37651 helo=mx-ginzinger.sigmacloud.services) by mx-ginzinger.sigmacloud.services with esmtps (TLSv1.2:AES256-GCM-SHA384:256) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1gwTmt-0003bN-2L; Wed, 20 Feb 2019 16:27:55 +0100 Received: from martin-laptop.buero.ginzinger.com (10.10.1.120) by exc1.buero.ginzinger.com (10.1.1.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1466.3; Wed, 20 Feb 2019 16:27:55 +0100 X-CTCH-RefID: str=0001.0A0B020A.5C6D71FB.0079, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 From: Martin Kepplinger To: , , , , , , , , , , , , , , Subject: [PATCH 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag Date: Wed, 20 Feb 2019 16:27:24 +0100 Message-ID: <20190220152731.4051-2-martin.kepplinger@ginzinger.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190220152731.4051-1-martin.kepplinger@ginzinger.com> References: <20190220152731.4051-1-martin.kepplinger@ginzinger.com> X-Originating-IP: [10.10.1.120] X-ClientProxiedBy: exc1.buero.ginzinger.com (10.1.1.204) To exc1.buero.ginzinger.com (10.1.1.204) X-EXCLAIMER-MD-ORIGINAL-SUBJECT: [NOSIG][NODISC][PATCH 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag X-EXCLAIMER-MD-CONFIG: 9dd172f7-de2e-4231-b886-ec11f46e03b3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190220_072809_687070_0095780F X-CRM114-Status: GOOD ( 12.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document the new RS485 flag, SER_RS485_DELAY_IN_USEC that specifies that the rts delay values stored in struct serial_rs485 hold values in microseconds instead of milliseconds (the default). Signed-off-by: Martin Kepplinger --- Documentation/serial/serial-rs485.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt index ce0c1a9b8aab..a1e15e9efc2e 100644 --- a/Documentation/serial/serial-rs485.txt +++ b/Documentation/serial/serial-rs485.txt @@ -75,6 +75,9 @@ /* Set rts delay after send, if needed: */ rs485conf.delay_rts_after_send = ...; + /* Specify the rts delay to be microseconds, not milliseconds */ + rs485conf.flags |= SER_RS485_DELAY_IN_USEC; + /* Set this flag if you want to receive data even while sending data */ rs485conf.flags |= SER_RS485_RX_DURING_TX;