[PATCH v2 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag

From: Martin Kepplinger
Date: Thu Feb 21 2019 - 12:18:36 EST


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@xxxxxxxxxxxxx>
---
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

Attachment: smime.p7s
Description: S/MIME cryptographic signature