Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

[pandora-kernel.git] / drivers / usb / gadget / printer.c

diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 4c3ac5c..2fc8636 100644 (file)
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -25,7 +25,7 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/timer.h>
@@ -70,6 +70,7 @@
 #define DRIVER_DESC            "Printer Gadget"
 #define DRIVER_VERSION         "2007 OCT 06"
 
+static DEFINE_MUTEX(printer_mutex);
 static const char shortname [] = "printer";
 static const char driver_desc [] = DRIVER_DESC;
 
@@ -476,7 +477,7 @@ printer_open(struct inode *inode, struct file *fd)
        unsigned long           flags;
        int                     ret = -EBUSY;
 
-       lock_kernel();
+       mutex_lock(&printer_mutex);
        dev = container_of(inode->i_cdev, struct printer_dev, printer_cdev);
 
        spin_lock_irqsave(&dev->lock, flags);
@@ -492,7 +493,7 @@ printer_open(struct inode *inode, struct file *fd)
        spin_unlock_irqrestore(&dev->lock, flags);
 
        DBG(dev, "printer_open returned %x\n", ret);
-       unlock_kernel();
+       mutex_unlock(&printer_mutex);
        return ret;
 }
 
@@ -883,7 +884,8 @@ static const struct file_operations printer_io_operations = {
        .fsync =        printer_fsync,
        .poll =         printer_poll,
        .unlocked_ioctl = printer_ioctl,
-       .release =      printer_close
+       .release =      printer_close,
+       .llseek =       noop_llseek,
 };
 
 /*-------------------------------------------------------------------------*/
@@ -1542,7 +1544,6 @@ static struct usb_gadget_driver printer_driver = {
        .speed          = DEVSPEED,
 
        .function       = (char *) driver_desc,
-       .bind           = printer_bind,
        .unbind         = printer_unbind,
 
        .setup          = printer_setup,
@@ -1578,11 +1579,11 @@ init(void)
                return status;
        }
 
-       status = usb_gadget_register_driver(&printer_driver);
+       status = usb_gadget_probe_driver(&printer_driver, printer_bind);
        if (status) {
                class_destroy(usb_gadget_class);
                unregister_chrdev_region(g_printer_devno, 1);
-               DBG(dev, "usb_gadget_register_driver %x\n", status);
+               DBG(dev, "usb_gadget_probe_driver %x\n", status);
        }
 
        return status;