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USB: pl2303: remove bogus checks and fix speed support to use tty_get_baud_rate() 

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Alan Cox 2007-07-09 12:03:10 -07:00 committed by Greg Kroah-Hartman
parent 31473aae5a
commit e0c79f512c
1 changed files with 1 additions and 32 deletions
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33
drivers/usb/serial/pl2303.c
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@ -484,15 +484,6 @@ static void pl2303_set_termios(struct usb_serial_port *port,
spin_unlock_irqrestore(&priv->lock, flags);
cflag = port->tty->termios->c_cflag;
/* check that they really want us to change something */
if (old_termios) {
if ((cflag == old_termios->c_cflag) &&
(RELEVANT_IFLAG(port->tty->termios->c_iflag) ==
RELEVANT_IFLAG(old_termios->c_iflag))) {
dbg("%s - nothing to change...", __FUNCTION__);
return;
}
}
buf = kzalloc(7, GFP_KERNEL);
if (!buf) {
@ -517,29 +508,7 @@ static void pl2303_set_termios(struct usb_serial_port *port,
dbg("%s - data bits = %d", __FUNCTION__, buf[6]);
}
baud = 0;
switch (cflag & CBAUD) {
case B0: baud = 0; break;
case B75: baud = 75; break;
case B150: baud = 150; break;
case B300: baud = 300; break;
case B600: baud = 600; break;
case B1200: baud = 1200; break;
case B1800: baud = 1800; break;
case B2400: baud = 2400; break;
case B4800: baud = 4800; break;
case B9600: baud = 9600; break;
case B19200: baud = 19200; break;
case B38400: baud = 38400; break;
case B57600: baud = 57600; break;
case B115200: baud = 115200; break;
case B230400: baud = 230400; break;
case B460800: baud = 460800; break;
default:
dev_err(&port->dev, "pl2303 driver does not support"
" the baudrate requested (fix it)\n");
break;
}
baud = tty_get_baud_rate(port->tty);;
dbg("%s - baud = %d", __FUNCTION__, baud);
if (baud) {
buf[0] = baud & 0xff;