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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-02-08 04:18:45 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:25 -0800
commit6df3526b6649e57a414ba6b4179655341affcf46 (patch)
tree96ba0c9b8dec4685675c0ccb590990bb97a1f908 /drivers/char/rocket.c
parentn_tty: clean up old code to follow coding style and (mostly) checkpatch (diff)
downloadlinux-dev-6df3526b6649e57a414ba6b4179655341affcf46.tar.xz
linux-dev-6df3526b6649e57a414ba6b4179655341affcf46.zip
rocket: first pass at termios reporting
Also removes a cflag comparison that caused some mode changes to get wrongly ignored Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/rocket.c')
-rw-r--r--drivers/char/rocket.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 68c289fe2dc2..cbee71bab017 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -715,11 +715,10 @@ static void configure_r_port(struct r_port *info,
unsigned rocketMode;
int bits, baud, divisor;
CHANNEL_t *cp;
+ struct ktermios *t = info->tty->termios;
- if (!info->tty || !info->tty->termios)
- return;
cp = &info->channel;
- cflag = info->tty->termios->c_cflag;
+ cflag = t->c_cflag;
/* Byte size and parity */
if ((cflag & CSIZE) == CS8) {
@@ -754,10 +753,7 @@ static void configure_r_port(struct r_port *info,
baud = 9600;
divisor = ((rp_baud_base[info->board] + (baud >> 1)) / baud) - 1;
if ((divisor >= 8192 || divisor < 0) && old_termios) {
- info->tty->termios->c_cflag &= ~CBAUD;
- info->tty->termios->c_cflag |=
- (old_termios->c_cflag & CBAUD);
- baud = tty_get_baud_rate(info->tty);
+ baud = tty_termios_baud_rate(old_termios);
if (!baud)
baud = 9600;
divisor = (rp_baud_base[info->board] / baud) - 1;
@@ -769,6 +765,9 @@ static void configure_r_port(struct r_port *info,
info->cps = baud / bits;
sSetBaud(cp, divisor);
+ /* FIXME: Should really back compute a baud rate from the divisor */
+ tty_encode_baud_rate(info->tty, baud, baud);
+
if (cflag & CRTSCTS) {
info->intmask |= DELTA_CTS;
sEnCTSFlowCtl(cp);
@@ -1202,15 +1201,14 @@ static void rp_set_termios(struct tty_struct *tty,
cflag = tty->termios->c_cflag;
- if (cflag == old_termios->c_cflag)
- return;
-
/*
* This driver doesn't support CS5 or CS6
*/
if (((cflag & CSIZE) == CS5) || ((cflag & CSIZE) == CS6))
tty->termios->c_cflag =
((cflag & ~CSIZE) | (old_termios->c_cflag & CSIZE));
+ /* Or CMSPAR */
+ tty->termios->c_cflag &= ~CMSPAR;
configure_r_port(info, old_termios);