[PATCH 132/149] USB: pl2303: remove bogus checks and fix speed support to use tty_get_baud_rate()

From: Alan Cox <[email protected]>

Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/usb/serial/pl2303.c |   33 +--------------------------------
 1 files changed, 1 insertions(+), 32 deletions(-)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 4348c1f..f9f85f5 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -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;
-- 
1.5.2.2


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