From: Enric Balletbo i Serra Date: Thu, 6 Dec 2012 08:45:04 +0000 (+0100) Subject: serial: omap: add the functionality of a 9-bit UART with userspaces CMSPAR X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fdbc7353e45d78ea8ee4a0cdc9e2700035a3a77d;p=linux-beck.git serial: omap: add the functionality of a 9-bit UART with userspaces CMSPAR Some systems require the additional communication functionality of a 9-bit UART. For that we could use the "stick" (mark/space) parity bit supported on omap serial device. When is set, if PARODD is set the parity bit is always 1; if PARODD is not set, then the parity bit is always 0. Signed-off-by: Enric Balletbo i Serra Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 57d6b29c039c..ec90651d661a 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -776,6 +776,8 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, cval |= UART_LCR_PARITY; if (!(termios->c_cflag & PARODD)) cval |= UART_LCR_EPAR; + if (termios->c_cflag & CMSPAR) + cval |= UART_LCR_SPAR; /* * Ask the core to calculate the divisor for us.