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authorWolfgang Ocker <weo@reccoware.de>2016-12-12 08:21:01 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-12 11:51:24 +0100
commitf87fa71e6fb0fa7bade9c3f3bb3f49325e76a90a (patch)
tree256e0f5e83f7f3f1e7974561167ebd8cede905ad /drivers/tty
parentserial: max310x: Add support for newer silicon revisions (diff)
downloadlinux-f87fa71e6fb0fa7bade9c3f3bb3f49325e76a90a.tar.xz
linux-f87fa71e6fb0fa7bade9c3f3bb3f49325e76a90a.zip
serial: mxs-auart: support CMSPAR termios cflag
If CMSPAR is set in the c_cflag of termios, "stick" parity is enabled. Tested on an i.MX28 system Signed-off-by: Wolfgang Ocker <weo@reccoware.de> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/mxs-auart.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 8c1c9112b3fd..6989b227d134 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -95,6 +95,7 @@
#define AUART_LINECTRL_BAUD_DIVFRAC_SHIFT 8
#define AUART_LINECTRL_BAUD_DIVFRAC_MASK 0x00003f00
#define AUART_LINECTRL_BAUD_DIVFRAC(v) (((v) & 0x3f) << 8)
+#define AUART_LINECTRL_SPS (1 << 7)
#define AUART_LINECTRL_WLEN_MASK 0x00000060
#define AUART_LINECTRL_WLEN(v) (((v) & 0x3) << 5)
#define AUART_LINECTRL_FEN (1 << 4)
@@ -1014,6 +1015,8 @@ static void mxs_auart_settermios(struct uart_port *u,
ctrl |= AUART_LINECTRL_PEN;
if ((cflag & PARODD) == 0)
ctrl |= AUART_LINECTRL_EPS;
+ if (cflag & CMSPAR)
+ ctrl |= AUART_LINECTRL_SPS;
}
u->read_status_mask = AUART_STAT_OERR;