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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-06 13:04:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 13:49:56 +0200 |
| commit | aeae8f222fdd34bdddc1050dc073e56b2242c9b5 (patch) | |
| tree | 9fe0c1803f5cb6db01d15993938103b870c747b9 | |
| parent | 267913ecf73745ca3e8fc8282671b0b4f24df5fe (diff) | |
| download | linux-aeae8f222fdd34bdddc1050dc073e56b2242c9b5.tar.bz2 | |
serial: stm32: Fill in rs485_supported
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>
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index b7b44f4050d4..db3dd9731ee1 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -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) |