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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>
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parent
31473aae5a
commit
e0c79f512c
1 changed files with 1 additions and 32 deletions
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@ -484,15 +484,6 @@ static void pl2303_set_termios(struct usb_serial_port *port,
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spin_unlock_irqrestore(&priv->lock, flags);
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cflag = port->tty->termios->c_cflag;
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/* check that they really want us to change something */
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if (old_termios) {
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if ((cflag == old_termios->c_cflag) &&
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(RELEVANT_IFLAG(port->tty->termios->c_iflag) ==
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RELEVANT_IFLAG(old_termios->c_iflag))) {
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dbg("%s - nothing to change...", __FUNCTION__);
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return;
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}
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}
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buf = kzalloc(7, GFP_KERNEL);
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if (!buf) {
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@ -517,29 +508,7 @@ static void pl2303_set_termios(struct usb_serial_port *port,
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dbg("%s - data bits = %d", __FUNCTION__, buf[6]);
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}
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baud = 0;
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switch (cflag & CBAUD) {
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case B0: baud = 0; break;
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case B75: baud = 75; break;
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case B150: baud = 150; break;
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case B300: baud = 300; break;
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case B600: baud = 600; break;
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case B1200: baud = 1200; break;
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case B1800: baud = 1800; break;
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case B2400: baud = 2400; break;
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case B4800: baud = 4800; break;
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case B9600: baud = 9600; break;
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case B19200: baud = 19200; break;
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case B38400: baud = 38400; break;
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case B57600: baud = 57600; break;
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case B115200: baud = 115200; break;
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case B230400: baud = 230400; break;
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case B460800: baud = 460800; break;
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default:
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dev_err(&port->dev, "pl2303 driver does not support"
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" the baudrate requested (fix it)\n");
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break;
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}
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baud = tty_get_baud_rate(port->tty);;
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dbg("%s - baud = %d", __FUNCTION__, baud);
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if (baud) {
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buf[0] = baud & 0xff;
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