serial: imx: drop CTS/RTS handling from shutdown

According to Documentation/serial/driver the shutdown function should not disable RTS, so drop it. Suggested-by: Uwe Kleine-König <[email protected]> Signed-off-by: Sebastian Reichel <[email protected]> Acked-by: Uwe Kleine-König <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
akeromi · May 25, 2018 · 0fdf178 · 0fdf178
1 parent e66003f
commit 0fdf178
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
@@ -1450,7 +1450,7 @@ static void imx_uart_shutdown(struct uart_port *port)
 
 	spin_lock_irqsave(&sport->port.lock, flags);
 	ucr2 = imx_uart_readl(sport, UCR2);
-	ucr2 &= ~(UCR2_TXEN | UCR2_CTSC | UCR2_CTS | UCR2_ATEN);
+	ucr2 &= ~(UCR2_TXEN | UCR2_ATEN);
 	imx_uart_writel(sport, ucr2, UCR2);
 	spin_unlock_irqrestore(&sport->port.lock, flags);