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serial: stm32: Fill in rs485_supported

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Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-22-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-06-06 13:04:18 +03:00 committed by Greg Kroah-Hartman
parent 267913ecf7
commit aeae8f222f
1 changed files with 8 additions and 0 deletions
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8
drivers/tty/serial/stm32-usart.c
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@ -1375,6 +1375,13 @@ static void stm32_usart_deinit_port(struct stm32_port *stm32port)
clk_disable_unprepare(stm32port->clk);
}
static const struct serial_rs485 stm32_rs485_supported = {
.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND |
SER_RS485_RX_DURING_TX,
.delay_rts_before_send = 1,
.delay_rts_after_send = 1,
};
static int stm32_usart_init_port(struct stm32_port *stm32port,
struct platform_device *pdev)
{
@ -1394,6 +1401,7 @@ static int stm32_usart_init_port(struct stm32_port *stm32port,
port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_STM32_CONSOLE);
port->irq = irq;
port->rs485_config = stm32_usart_config_rs485;
port->rs485_supported = &stm32_rs485_supported;
ret = stm32_usart_init_rs485(port, pdev);
if (ret)