From d5f5bcd425b771c0b7ff5a650b2ce061ac8bbb87 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Thu, 3 Jan 2008 16:57:33 +0000 Subject: [PATCH] USB: io_ti: clean up termios handling Don't pass NULL into termios functions when calling them internally Remove all the crap which then checks for NULL which can't occur now Clear CMSPAR as it is not supported Report the baud rate back to the caller properly (See FIXME someone with the docs) Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/io_ti.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index f7fdf1ce6b..cd3405953f 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1979,7 +1979,7 @@ static int edge_open (struct usb_serial_port *port, struct file * filp) } /* set up the port settings */ - edge_set_termios (port, NULL); + edge_set_termios (port, port->tty->termios); /* open up the port */ @@ -2394,11 +2394,6 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi dbg("%s - port %d", __FUNCTION__, edge_port->port->number); tty = edge_port->port->tty; - if ((!tty) || - (!tty->termios)) { - dbg("%s - no tty structures", __FUNCTION__); - return; - } config = kmalloc (sizeof (*config), GFP_KERNEL); if (!config) { @@ -2493,15 +2488,21 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi } } + tty->termios->c_cflag &= ~CMSPAR; + /* Round the baud rate */ baud = tty_get_baud_rate(tty); if (!baud) { /* pick a default, any default... */ baud = 9600; - } + } else + tty_encode_baud_rate(tty, baud, baud); + edge_port->baud_rate = baud; config->wBaudRate = (__u16)((461550L + baud/2) / baud); + /* FIXME: Recompute actual baud from divisor here */ + dbg ("%s - baud rate = %d, wBaudRate = %d", __FUNCTION__, baud, config->wBaudRate); dbg ("wBaudRate: %d", (int)(461550L / config->wBaudRate)); @@ -2539,19 +2540,12 @@ static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old struct tty_struct *tty = port->tty; unsigned int cflag; - if (!port->tty || !port->tty->termios) { - dbg ("%s - no tty or termios", __FUNCTION__); - return; - } - cflag = tty->termios->c_cflag; dbg("%s - clfag %08x iflag %08x", __FUNCTION__, tty->termios->c_cflag, tty->termios->c_iflag); - if (old_termios) { - dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__, - old_termios->c_cflag, old_termios->c_iflag); - } + dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__, + old_termios->c_cflag, old_termios->c_iflag); dbg("%s - port %d", __FUNCTION__, port->number); -- 2.39.5