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tty: serial: mpc5xxx: add support for mark/space parity

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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>
This commit is contained in:
Wolfram Sang 2012-08-27 16:03:14 +02:00 committed by Greg Kroah-Hartman
parent bbb63c514a
commit d3dec96e40
1 changed files with 6 additions and 2 deletions
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8
drivers/tty/serial/mpc52xx_uart.c
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@ -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;