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linux-sg2042
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USB: convert usb class devices to real devices 

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2006-06-20 13:09:50 -07:00
parent 7bc3d63562
commit 0873c76485
2 changed files with 9 additions and 9 deletions
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13
drivers/usb/core/file.c
View File

@ -194,14 +194,13 @@ int usb_register_dev(struct usb_interface *intf,
++temp;
else
temp = name;
intf->class_dev = class_device_create(usb_class->class, NULL,
MKDEV(USB_MAJOR, minor),
&intf->dev, "%s", temp);
if (IS_ERR(intf->class_dev)) {
intf->usb_dev = device_create(usb_class->class, &intf->dev,
MKDEV(USB_MAJOR, minor), "%s", temp);
if (IS_ERR(intf->usb_dev)) {
spin_lock (&minor_lock);
usb_minors[intf->minor] = NULL;
spin_unlock (&minor_lock);
retval = PTR_ERR(intf->class_dev);
retval = PTR_ERR(intf->usb_dev);
}
exit:
return retval;
@ -242,8 +241,8 @@ void usb_deregister_dev(struct usb_interface *intf,
spin_unlock (&minor_lock);
snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base);
class_device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
intf->class_dev = NULL;
device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
intf->usb_dev = NULL;
intf->minor = -1;
destroy_usb_class();
}

5
include/linux/usb.h
View File

@ -107,7 +107,8 @@ enum usb_interface_condition {
* @needs_remote_wakeup: flag set when the driver requires remote-wakeup
* capability during autosuspend.
* @dev: driver model's view of this device
* @class_dev: driver model's class view of this device.
* @usb_dev: if an interface is bound to the USB major, this will point
* to the sysfs representation for that device.
* @pm_usage_cnt: PM usage counter for this interface; autosuspend is not
* allowed unless the counter is 0.
*
@ -152,7 +153,7 @@ struct usb_interface {
unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
struct device dev; /* interface specific device info */
struct class_device *class_dev;
struct device *usb_dev; /* pointer to the usb class's device, if any */
int pm_usage_cnt; /* usage counter for autosuspend */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)