Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 17 insertions, 8 deletions

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d47b56e9e8ce..d5d136a53b61 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -301,6 +301,9 @@ static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x1199, 0x68A3),   /* Sierra Wireless Direct IP modems */
           .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
         },
+        { USB_DEVICE(0x0f3d, 0x68A3),   /* Airprime/Sierra Wireless Direct IP modems */
+          .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+        },
        { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */
 
         { }
@@ -373,7 +376,10 @@ static int sierra_send_setup(struct usb_serial_port *port)
         if (!do_send)
                 return 0;
 
-        usb_autopm_get_interface(serial->interface);
+        retval = usb_autopm_get_interface(serial->interface);
+        if (retval < 0)
+                return retval;
+
         retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
                 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT);
         usb_autopm_put_interface(serial->interface);
@@ -389,7 +395,7 @@ static void sierra_set_termios(struct tty_struct *tty,
         sierra_send_setup(port);
 }
 
-static int sierra_tiocmget(struct tty_struct *tty, struct file *file)
+static int sierra_tiocmget(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
         unsigned int value;
@@ -408,7 +414,7 @@ static int sierra_tiocmget(struct tty_struct *tty, struct file *file)
         return value;
 }
 
-static int sierra_tiocmset(struct tty_struct *tty, struct file *file,
+static int sierra_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -620,8 +626,6 @@ static void sierra_indat_callback(struct urb *urb)
                         dev_err(&port->dev, "resubmit read urb failed."
                                 "(%d)\n", err);
         }
-
-        return;
 }
 
 static void sierra_instat_callback(struct urb *urb)
@@ -810,8 +814,12 @@ static void sierra_close(struct usb_serial_port *port)
                 mutex_lock(&serial->disc_mutex);
                 if (!serial->disconnected) {
                         serial->interface->needs_remote_wakeup = 0;
-                        usb_autopm_get_interface(serial->interface);
-                        sierra_send_setup(port);
+                        /* odd error handling due to pm counters */
+                        if (!usb_autopm_get_interface(serial->interface))
+                                sierra_send_setup(port);
+                        else
+                                usb_autopm_get_interface_no_resume(serial->interface);
+                                
                 }
                 mutex_unlock(&serial->disc_mutex);
                 spin_lock_irq(&intfdata->susp_lock);
@@ -864,7 +872,8 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
                 /* get rid of everything as in close */
                 sierra_close(port);
                 /* restore balance for autopm */
-                usb_autopm_put_interface(serial->interface);
+                if (!serial->disconnected)
+                        usb_autopm_put_interface(serial->interface);
                 return err;
         }
         sierra_send_setup(port);