From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Mon, 15 Oct 2007 19:54:47 +0000 (+0100)
Subject: USB: pl2303: remove can't happen checks, set speed properly and report baud rate
X-Git-Tag: v2.6.24-rc2~136^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=df64c47184aedf34fd2a69a4b7f68584fe982fdf;p=platform%2Fkernel%2Flinux-exynos.git

USB: pl2303: remove can't happen checks, set speed properly and report baud rate

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1da57fd..1103b2f 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -470,16 +470,13 @@ static void pl2303_set_termios(struct usb_serial_port *port,
 
 	dbg("%s -  port %d", __FUNCTION__, port->number);
 
-	if ((!port->tty) || (!port->tty->termios)) {
-		dbg("%s - no tty structures", __FUNCTION__);
-		return;
-	}
-
 	spin_lock_irqsave(&priv->lock, flags);
 	if (!priv->termios_initialized) {
 		*(port->tty->termios) = tty_std_termios;
 		port->tty->termios->c_cflag = B9600 | CS8 | CREAD |
 					      HUPCL | CLOCAL;
+		port->tty->termios->c_ispeed = 9600;
+		port->tty->termios->c_ospeed = 9600;
 		priv->termios_initialized = 1;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
@@ -596,6 +593,10 @@ static void pl2303_set_termios(struct usb_serial_port *port,
 		dbg ("0x40:0x1:0x0:0x0  %d", i);
 	}
 
+	/* FIXME: Need to read back resulting baud rate */
+	if (baud)
+		tty_encode_baud_rate(port->tty, baud, baud);
+
 	kfree(buf);
 }