Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm

[linux-2.6-omap-h63xx.git] / drivers / usb / serial / kl5kusb105.c

diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 7b085f334cebe2de693b21a58a67a6f809d8f52a..55736df7d2f4ed0232d2c33700d353a47336cafe 100644 (file)
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -461,17 +461,21 @@ static void klsi_105_close (struct usb_serial_port *port, struct file *filp)
 
        dbg("%s port %d", __FUNCTION__, port->number);
 
-       /* send READ_OFF */
-       rc = usb_control_msg (port->serial->dev,
-                             usb_sndctrlpipe(port->serial->dev, 0),
-                             KL5KUSB105A_SIO_CONFIGURE,
-                             USB_TYPE_VENDOR | USB_DIR_OUT,
-                             KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
-                             0, /* index */
-                             NULL, 0,
-                             KLSI_TIMEOUT);
-       if (rc < 0)
-                   err("Disabling read failed (error = %d)", rc);
+       mutex_lock(&port->serial->disc_mutex);
+       if (!port->serial->disconnected) {
+               /* send READ_OFF */
+               rc = usb_control_msg (port->serial->dev,
+                                     usb_sndctrlpipe(port->serial->dev, 0),
+                                     KL5KUSB105A_SIO_CONFIGURE,
+                                     USB_TYPE_VENDOR | USB_DIR_OUT,
+                                     KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
+                                     0, /* index */
+                                     NULL, 0,
+                                     KLSI_TIMEOUT);
+               if (rc < 0)
+                       err("Disabling read failed (error = %d)", rc);
+       }
+       mutex_unlock(&port->serial->disc_mutex);
 
        /* shutdown our bulk reads and writes */
        usb_kill_urb(port->write_urb);
@@ -567,12 +571,13 @@ exit:
 static void klsi_105_write_bulk_callback ( struct urb *urb)
 {
        struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+       int status = urb->status;
 
        dbg("%s - port %d", __FUNCTION__, port->number);
-       
-       if (urb->status) {
+
+       if (status) {
                dbg("%s - nonzero write bulk status received: %d", __FUNCTION__,
-                   urb->status);
+                   status);
                return;
        }
 
@@ -631,16 +636,17 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
        struct tty_struct *tty;
        unsigned char *data = urb->transfer_buffer;
        int rc;
+       int status = urb->status;
 
-        dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __FUNCTION__, port->number);
 
        /* The urb might have been killed. */
-        if (urb->status) {
-                dbg("%s - nonzero read bulk status received: %d", __FUNCTION__,
-                   urb->status);
-                return;
-        }
-       
+       if (status) {
+               dbg("%s - nonzero read bulk status received: %d", __FUNCTION__,
+                   status);
+               return;
+       }
+
        /* The data received is again preceded by a length double-byte in LSB-
         * first order (see klsi_105_write() )
         */
@@ -726,24 +732,32 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
 #endif
                }
                
-               switch(cflag & CBAUD) {
-               case B0: /* handled below */
+               switch(tty_get_baud_rate(port->tty)) {
+               case 0: /* handled below */
                        break;
-               case B1200: priv->cfg.baudrate = kl5kusb105a_sio_b1200;
+               case 1200:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b1200;
                        break;
-               case B2400: priv->cfg.baudrate = kl5kusb105a_sio_b2400;
+               case 2400:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b2400;
                        break;
-               case B4800: priv->cfg.baudrate = kl5kusb105a_sio_b4800;
+               case 4800:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b4800;
                        break;
-               case B9600: priv->cfg.baudrate = kl5kusb105a_sio_b9600;
+               case 9600:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b9600;
                        break;
-               case B19200: priv->cfg.baudrate = kl5kusb105a_sio_b19200;
+               case 19200:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b19200;
                        break;
-               case B38400: priv->cfg.baudrate = kl5kusb105a_sio_b38400;
+               case 38400:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b38400;
                        break;
-               case B57600: priv->cfg.baudrate = kl5kusb105a_sio_b57600;
+               case 57600:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b57600;
                        break;
-               case B115200: priv->cfg.baudrate = kl5kusb105a_sio_b115200;
+               case 115200:
+                       priv->cfg.baudrate = kl5kusb105a_sio_b115200;
                        break;
                default:
                        err("KLSI USB->Serial converter:"