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Date:   Wed, 20 Feb 2019 16:27:24 +0100
From:   Martin Kepplinger <martin.kepplinger@...zinger.com>
To:     <gregkh@...uxfoundation.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <jslaby@...e.com>, <corbet@....net>,
        <richard.genoud@...il.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <linux-serial@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag

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 <martin.kepplinger@...zinger.com>
---
 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;
 
-- 
2.20.1


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