diff options
| author |   Wolfram Sang <w.sang@pengutronix.de> | 2012-08-27 16:03:14 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-05 12:41:57 -0700 |
| commit | d3dec96e401cc66d7280732558d711ac2ee7a531 (patch) | |
| tree | 15542d9993f15d645770f57c37dc5f9899e7a43d /drivers/tty/serial/mpc52xx_uart.c | |
| parent | drivers:tty:fix up ENOIOCTLCMD error handling (diff) | |
| download | linux-dev-d3dec96e401cc66d7280732558d711ac2ee7a531.tar.xz linux-dev-d3dec96e401cc66d7280732558d711ac2ee7a531.zip | |
tty: serial: mpc5xxx: add support for mark/space parity
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>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/mpc52xx_uart.c')
| -rw-r--r-- | drivers/tty/serial/mpc52xx_uart.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index bedac0d4c9ce..f19d04ed8586 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; |