diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/devio.c | 34 | ||||
| -rw-r--r-- | drivers/usb/core/usb.h | 1 |
2 files changed, 17 insertions, 18 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 6c15dabcfc0..9222b7a1343 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -517,6 +517,23 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig return ret; } +static struct usb_device *usbdev_lookup_minor(int minor) +{ + struct class_device *class_dev; + struct usb_device *dev = NULL; + + down(&usb_device_class->sem); + list_for_each_entry(class_dev, &usb_device_class->children, node) { + if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) { + dev = class_dev->class_data; + break; + } + } + up(&usb_device_class->sem); + + return dev; +}; + /* * file operations */ @@ -1533,23 +1550,6 @@ struct file_operations usbfs_device_file_operations = { .release = usbdev_release, }; -struct usb_device *usbdev_lookup_minor(int minor) -{ - struct class_device *class_dev; - struct usb_device *dev = NULL; - - down(&usb_device_class->sem); - list_for_each_entry(class_dev, &usb_device_class->children, node) { - if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) { - dev = class_dev->class_data; - break; - } - } - up(&usb_device_class->sem); - - return dev; -}; - void usbdev_add(struct usb_device *dev) { int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 4d59f6e0799..3dc8096c0f9 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -64,7 +64,6 @@ extern int usbdev_init(void); extern void usbdev_cleanup(void); extern void usbdev_add(struct usb_device *dev); extern void usbdev_remove(struct usb_device *dev); -extern struct usb_device *usbdev_lookup_minor(int minor); struct dev_state { struct list_head list; /* state list */ |