* [PATCH] serial: pl011: add mark/space parity support
@ 2016-03-04 5:11 Ed Spiridonov
0 siblings, 0 replies; only message in thread
From: Ed Spiridonov @ 2016-03-04 5:11 UTC (permalink / raw)
To: linux; +Cc: Ed Spiridonov, linux-arm-kernel, linux-serial
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>
---
drivers/tty/serial/amba-pl011.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index c0da0cc..9de674a 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -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;
--
2.7.0
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