mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 09:39:00 +00:00
30 lines
838 B
Diff
30 lines
838 B
Diff
|
From 4dc6f2b9d454099445b8bc3a4a6328761335ce4d Mon Sep 17 00:00:00 2001
|
||
|
|
From: Fugang Duan <fugang.duan@nxp.com>
|
||
|
|
Date: Wed, 11 Sep 2019 16:23:25 +0800
|
||
|
|
Subject: [PATCH] tty: serial: fsl_lpuart: enable loopback mode
|
||
|
|
|
||
|
|
Enable lpuart32 loopback mode.
|
||
|
|
|
||
|
|
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
|
||
|
|
---
|
||
|
|
drivers/tty/serial/fsl_lpuart.c | 8 ++++++++
|
||
|
|
1 file changed, 8 insertions(+)
|
||
|
|
|
||
|
|
--- a/drivers/tty/serial/fsl_lpuart.c
|
||
|
|
+++ b/drivers/tty/serial/fsl_lpuart.c
|
||
|
|
@@ -1464,6 +1464,14 @@ static void lpuart32_set_mctrl(struct ua
|
||
|
|
temp |= UARTMODIR_TXCTSE;
|
||
|
|
|
||
|
|
lpuart32_write(port, temp, UARTMODIR);
|
||
|
|
+
|
||
|
|
+ temp = lpuart32_read(port, UARTCTRL);
|
||
|
|
+ if (mctrl & TIOCM_LOOP)
|
||
|
|
+ temp |= UARTCTRL_LOOPS;
|
||
|
|
+ else
|
||
|
|
+ temp &= ~UARTCTRL_LOOPS;
|
||
|
|
+
|
||
|
|
+ lpuart32_write(port, temp, UARTCTRL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void lpuart_break_ctl(struct uart_port *port, int break_state)
|