* [PATCH] tty: serial: mpc5xxx: add support for mark/space parity
@ 2012-08-27 14:03 Wolfram Sang
2012-08-29 21:56 ` Anatolij Gustschin
0 siblings, 1 reply; 2+ messages in thread
From: Wolfram Sang @ 2012-08-27 14:03 UTC (permalink / raw)
To: linux-serial; +Cc: Wolfram Sang, Anatolij Gustschin, Greg KH
Tested on a custom MPC5200B-board using some fancy industrial protocol.
Verified that MPC512x has identical bits, so should work there as well.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Greg KH <gregkh@linuxfoundation.org>
---
drivers/tty/serial/mpc52xx_uart.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c
index bedac0d..f19d04e 100644
--- a/drivers/tty/serial/mpc52xx_uart.c
+++ b/drivers/tty/serial/mpc52xx_uart.c
@@ -775,11 +775,15 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
}
if (new->c_cflag & PARENB) {
+ if (new->c_cflag & CMSPAR)
+ mr1 |= MPC52xx_PSC_MODE_PARFORCE;
+
+ /* With CMSPAR, PARODD also means high parity (same as termios) */
mr1 |= (new->c_cflag & PARODD) ?
MPC52xx_PSC_MODE_PARODD : MPC52xx_PSC_MODE_PAREVEN;
- } else
+ } else {
mr1 |= MPC52xx_PSC_MODE_PARNONE;
-
+ }
mr2 = 0;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] tty: serial: mpc5xxx: add support for mark/space parity
2012-08-27 14:03 [PATCH] tty: serial: mpc5xxx: add support for mark/space parity Wolfram Sang
@ 2012-08-29 21:56 ` Anatolij Gustschin
0 siblings, 0 replies; 2+ messages in thread
From: Anatolij Gustschin @ 2012-08-29 21:56 UTC (permalink / raw)
To: Wolfram Sang; +Cc: linux-serial, Greg KH
Hi Wolfram,
On Mon, 27 Aug 2012 16:03:14 +0200
Wolfram Sang <w.sang@pengutronix.de> wrote:
> Tested on a custom MPC5200B-board using some fancy industrial protocol.
> Verified that MPC512x has identical bits, so should work there as well.
>
> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
> Cc: Anatolij Gustschin <agust@denx.de>
> Cc: Greg KH <gregkh@linuxfoundation.org>
> ---
> drivers/tty/serial/mpc52xx_uart.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
Looks good, so
Acked-by: Anatolij Gustschin <agust@denx.de>
> diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c
> index bedac0d..f19d04e 100644
> --- a/drivers/tty/serial/mpc52xx_uart.c
> +++ b/drivers/tty/serial/mpc52xx_uart.c
> @@ -775,11 +775,15 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
> }
>
> if (new->c_cflag & PARENB) {
> + if (new->c_cflag & CMSPAR)
> + mr1 |= MPC52xx_PSC_MODE_PARFORCE;
> +
> + /* With CMSPAR, PARODD also means high parity (same as termios) */
> mr1 |= (new->c_cflag & PARODD) ?
> MPC52xx_PSC_MODE_PARODD : MPC52xx_PSC_MODE_PAREVEN;
> - } else
> + } else {
> mr1 |= MPC52xx_PSC_MODE_PARNONE;
> -
> + }
>
> mr2 = 0;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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