From a14f66a427f8c960ca9cf1048f1bbf7607f85809 Mon Sep 17 00:00:00 2001 From: Alexandre TORGUE Date: Thu, 15 Sep 2016 18:42:36 +0200 Subject: [PATCH] serial: stm32: disable tx and rx during shutdown Signed-off-by: Gerald Baeza Signed-off-by: Alexandre TORGUE Signed-off-by: Greg Kroah-Hartman --- 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 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); }