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[PATCH] USB: remove the global function usbdev_lookup_minor

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It's only used locally.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2005-06-20 21:15:16 -07:00
parent 3e8a556a02
commit 4592bf5a22
2 changed files with 17 additions and 18 deletions
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34
drivers/usb/core/devio.c
View File

@@ -517,6 +517,23 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig
return ret; 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 * file operations
*/ */
@@ -1533,23 +1550,6 @@ struct file_operations usbfs_device_file_operations = {
.release = usbdev_release, .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) void usbdev_add(struct usb_device *dev)
{ {
int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1); int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);

1
drivers/usb/core/usb.h
View File

@@ -64,7 +64,6 @@ extern int usbdev_init(void);
extern void usbdev_cleanup(void); extern void usbdev_cleanup(void);
extern void usbdev_add(struct usb_device *dev); extern void usbdev_add(struct usb_device *dev);
extern void usbdev_remove(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 dev_state {
struct list_head list; /* state list */ struct list_head list; /* state list */