lkml.org 
[lkml]   [2022]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 3/4] Documentation: rs485: Mention uart_get_rs485_mode()
Date
Add to rs485 documentation that serial core prepares the struct
serial_rs485 when uart_get_rs485_mode() is called. Remove the wrong
claim that driver must fill it by itself.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
Documentation/driver-api/serial/serial-rs485.rst | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/driver-api/serial/serial-rs485.rst b/Documentation/driver-api/serial/serial-rs485.rst
index 513758a702a6..2951dacfb9eb 100644
--- a/Documentation/driver-api/serial/serial-rs485.rst
+++ b/Documentation/driver-api/serial/serial-rs485.rst
@@ -34,8 +34,8 @@ RS485 Serial Communications
parameters in the platform data and in ioctls.

The device tree can also provide RS485 boot time parameters
- [#DT-bindings]_. The driver is in charge of filling this data structure
- from the values given by the device tree.
+ [#DT-bindings]_. The serial core fills the struct serial_rs485 from the
+ values given by the device tree when driver calls uart_get_rs485_mode().

Any driver for devices capable of working both as RS232 and RS485 should
implement the rs485_config callback and provide rs485_supported in the
@@ -48,7 +48,7 @@ RS485 Serial Communications
serial_rs485 structure matching to the current configuration.

.. kernel-doc:: include/uapi/linux/serial.h
- :identifiers: serial_rs485
+ :identifiers: serial_rs485 uart_get_rs485_mode

4. Usage from user-level
========================
--
2.30.2
\
 
 \ /
  Last update: 2022-09-28 13:09    [W:0.075 / U:1.508 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site