[PATCH 5/9] serial: stm32: add RTS support

Bich HEMON bich.hemon at st.com
Thu Jul 13 08:08:28 PDT 2017


Implement support of RTS in USART control register

Signed-off-by: Bich Hemon <bich.hemon at st.com>
---
 drivers/tty/serial/stm32-usart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index ca61bfe..9158d31 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -518,7 +518,7 @@ static void stm32_set_termios(struct uart_port *port, struct ktermios *termios,
 	port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
 	if (cflag & CRTSCTS) {
 		port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
-		cr3 |= USART_CR3_CTSE;
+		cr3 |= USART_CR3_CTSE | USART_CR3_RTSE;
 	}
 
 	usartdiv = DIV_ROUND_CLOSEST(port->uartclk, baud);
-- 
1.9.1



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