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Subject[PATCH] pl2303: remove bogus checks and fix speed support to use tty_get_baud_rate()
Signed-off-by: Alan Cox <alan@redhat.com>

diff -u --new-file --exclude-from /usr/src/exclude --recursive linux.vanilla-2.6.22-rc6-mm1/drivers/usb/serial/pl2303.c linux-2.6.22-rc6-mm1/drivers/usb/serial/pl2303.c
--- linux.vanilla-2.6.22-rc6-mm1/drivers/usb/serial/pl2303.c 2007-07-02 20:50:14.000000000 +0100
+++ linux-2.6.22-rc6-mm1/drivers/usb/serial/pl2303.c 2007-07-02 21:25:13.000000000 +0100
@@ -484,15 +484,6 @@
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 @@
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;
-
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