commit bb70002cb7430252c6c8e3b19ad66957f253e667
author Ed Spiridonov <edo.rus@gmail.com> Fri Mar 04 08:11:53 2016 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Mar 07 16:11:14 2016 -0800
tree f56422a1d5856cfb2010ef42de854ffbdebfbbb7
parent 0607616d9311096bfd1c325c36ffbfa71ccd40ab

serial: pl011: add mark/space parity support

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

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 3f16927..7c198e0 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1947,6 +1947,8 @@
 		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;