From: Alexandre TORGUE <alexandre.torgue@st.com>
Date: Thu, 15 Sep 2016 16:42:36 +0000 (+0200)
Subject: serial: stm32: disable tx and rx during shutdown
X-Git-Tag: v4.9-rc1~147^2~33
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a14f66a427f8c960ca9cf1048f1bbf7607f85809;p=karo-tx-linux.git

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 6236deb28905..184b0183bb38 100644
--- 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);
 }