diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 4e6ead1f650e..1731d9728865 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1552,10 +1552,6 @@ static void imx_uart_shutdown(struct uart_port *port) ucr2 = imx_uart_readl(sport, UCR2); ucr2 &= ~(UCR2_TXEN | UCR2_ATEN); imx_uart_writel(sport, ucr2, UCR2); - - ucr4 = imx_uart_readl(sport, UCR4); - ucr4 &= ~UCR4_OREN; - imx_uart_writel(sport, ucr4, UCR4); spin_unlock_irqrestore(&sport->port.lock, flags); /* @@ -1568,10 +1564,15 @@ static void imx_uart_shutdown(struct uart_port *port) */ spin_lock_irqsave(&sport->port.lock, flags); + ucr1 = imx_uart_readl(sport, UCR1); ucr1 &= ~(UCR1_TRDYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN | UCR1_RXDMAEN | UCR1_ATDMAEN); - imx_uart_writel(sport, ucr1, UCR1); + + ucr4 = imx_uart_readl(sport, UCR4); + ucr4 &= ~(UCR4_OREN | UCR4_TCEN); + imx_uart_writel(sport, ucr4, UCR4); + spin_unlock_irqrestore(&sport->port.lock, flags); clk_disable_unprepare(sport->clk_per);