From: Alan Cox <[EMAIL PROTECTED]>
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 <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/serial/io_ti.c | 26 ++++++++++----------------
1 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index f7fdf1c..cd34059 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);
--
1.5.3.8
-
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