USB: remove usb_bus_type from usb.h

We have 2 forward declarations of usb_bus_type, one in the system-wide
usb.h and the other in the "USB core only header file".  This variable
is not exported from the USB core, so remove the declaration from usb.h
as it does not need to be there.

Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20210226102356.716746-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 7d72c4e0713c1068d11a01256de7a37bc44b809b..f15fd0fa95bd293296f85fa6bbc8b9a21216a4f4 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1257,8 +1257,6 @@ struct usb_device_driver {
 #define        to_usb_device_driver(d) container_of(d, struct usb_device_driver, \
                drvwrap.driver)
 
-extern struct bus_type usb_bus_type;
-
 /**
  * struct usb_class_driver - identifies a USB driver that wants to use the USB major number
  * @name: the usb class device name for this driver.  Will show up in sysfs.