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Received: from mx-ginzinger.sigmacloud.services ([185.154.235.147]) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gws0g-0002zs-BN for linux-arm-kernel@lists.infradead.org; Thu, 21 Feb 2019 17:19:47 +0000 Received: from [31.193.165.228] (port=49494 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 1gwrzI-00028q-0v; Thu, 21 Feb 2019 18:18:20 +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; Thu, 21 Feb 2019 18:18:19 +0100 X-CTCH-RefID: str=0001.0A0B020F.5C6EDD5C.0024, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 From: Martin Kepplinger To: , , , , , , , , , , , , , , Subject: [PATCH v2 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag Date: Thu, 21 Feb 2019 18:17:51 +0100 Message-ID: <20190221171758.10322-2-martin.kepplinger@ginzinger.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190221171758.10322-1-martin.kepplinger@ginzinger.com> References: <20190221171758.10322-1-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 v2 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-20190221_121946_539957_2AA6F8CA X-CRM114-Status: GOOD ( 10.45 ) 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: Martin Kepplinger , 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;