serial: stm32: disable tx and rx during shutdown

Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 6236deb289058f7a1f7f9ea22616343e10690b73..184b0183bb38af618f0d02cb084c37b4399e970c 100644 (file)
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -276,7 +276,7 @@ static void stm32_shutdown(struct uart_port *port)
        u32 val;
 
        val = USART_CR1_TXEIE | USART_CR1_RXNEIE | USART_CR1_TE | USART_CR1_RE;
-       stm32_set_bits(port, ofs->cr1, val);
+       stm32_clr_bits(port, ofs->cr1, val);
 
        free_irq(port->irq, port);
 }