From: Ilpo Järvinen Date: Wed, 19 Oct 2022 09:33:41 +0000 (+0300) Subject: Documentation: rs485: Mention uart_get_rs485_mode() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0f4648a1a6d36487e4134a4fd75d8cdae0cd6bf4;p=linux.git Documentation: rs485: Mention uart_get_rs485_mode() Add to rs485 documentation that serial core prepares the struct serial_rs485 when uart_get_rs485_mode() is called. Remove the wrong claim that the driver must fill it by itself. Reviewed-by: Andy Shevchenko Reviewed-by: Bagas Sanjaya Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20221019093343.9546-4-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/driver-api/serial/serial-rs485.rst b/Documentation/driver-api/serial/serial-rs485.rst index 513758a702a67..ee34c8e1e56ee 100644 --- a/Documentation/driver-api/serial/serial-rs485.rst +++ b/Documentation/driver-api/serial/serial-rs485.rst @@ -34,8 +34,9 @@ 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 the 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 +49,7 @@ 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 ========================