[PATCH 2/9] Documentation: serial-rs485: document SER_RS485_DELAY_IN_USEC flag
From: Martin Kepplinger <hidden>
Date: 2019-02-20 15:28:12
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
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 <redacted> --- 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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