serial: pl011: add mark/space parity support
authorEd Spiridonov <edo.rus@gmail.com>
Fri, 4 Mar 2016 05:11:53 +0000 (08:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 8 Mar 2016 00:11:14 +0000 (16:11 -0800)
PL011 UART has hardware mark/space parity ability, this trivial patch adds support for it.
Tested on Raspberry Pi v1, v2 (BCM2835 and BCM2836)

Signed-off-by: Ed Spiridonov <edo.rus@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/amba-pl011.c

index 3f169275f9fa60665379686bfe14ac58852f5a83..7c198e0a3178ae2ab9805c9f317c722d18b2dadf 100644 (file)
@@ -1947,6 +1947,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
                lcr_h |= UART01x_LCRH_PEN;
                if (!(termios->c_cflag & PARODD))
                        lcr_h |= UART01x_LCRH_EPS;
+               if (termios->c_cflag & CMSPAR)
+                       lcr_h |= UART011_LCRH_SPS;
        }
        if (uap->fifosize > 1)
                lcr_h |= UART01x_LCRH_FEN;