diff options
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-02-08 13:18:45 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 18:22:25 +0100 |
| commit | 6df3526b6649e57a414ba6b4179655341affcf46 (patch) | |
| tree | 96ba0c9b8dec4685675c0ccb590990bb97a1f908 | |
| parent | n_tty: clean up old code to follow coding style and (mostly) checkpatch (diff) | |
| download | linux-6df3526b6649e57a414ba6b4179655341affcf46.tar.xz linux-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>
| -rw-r--r-- | drivers/char/rocket.c | 18 |
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); |