USB: mark USB drivers as being GPL only

Over two years ago, the Linux USB developers stated that they believed
there was no way to create a USB kernel driver that was not under the
GPL.  This patch moves the USB apis to enforce that decision.

There are no known closed source USB drivers in the wild, so this patch
should cause no problems.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 19 insertions, 43 deletions

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index fdb444d81271..8c6319afa757 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -96,6 +96,7 @@ struct usb_interface *usb_ifnum_to_if(const struct usb_device *dev,
 
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(usb_ifnum_to_if);
 
 /**
  * usb_altnum_to_altsetting - get the altsetting structure with a given
@@ -126,6 +127,7 @@ struct usb_host_interface *usb_altnum_to_altsetting(const struct usb_interface *
 	}
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(usb_altnum_to_altsetting);
 
 struct find_interface_arg {
 	int minor;
@@ -170,6 +172,7 @@ struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
 					__find_interface);
 	return argb.interface;
 }
+EXPORT_SYMBOL_GPL(usb_find_interface);
 
 /**
  * usb_release_dev - free a usb device structure when all users of it are finished.
@@ -369,6 +372,7 @@ struct usb_device *usb_get_dev(struct usb_device *dev)
 		get_device(&dev->dev);
 	return dev;
 }
+EXPORT_SYMBOL_GPL(usb_get_dev);
 
 /**
  * usb_put_dev - release a use of the usb device structure
@@ -382,6 +386,7 @@ void usb_put_dev(struct usb_device *dev)
 	if (dev)
 		put_device(&dev->dev);
 }
+EXPORT_SYMBOL_GPL(usb_put_dev);
 
 /**
  * usb_get_intf - increments the reference count of the usb interface structure
@@ -402,6 +407,7 @@ struct usb_interface *usb_get_intf(struct usb_interface *intf)
 		get_device(&intf->dev);
 	return intf;
 }
+EXPORT_SYMBOL_GPL(usb_get_intf);
 
 /**
  * usb_put_intf - release a use of the usb interface structure
@@ -416,7 +422,7 @@ void usb_put_intf(struct usb_interface *intf)
 	if (intf)
 		put_device(&intf->dev);
 }
-
+EXPORT_SYMBOL_GPL(usb_put_intf);
 
 /*			USB device locking
  *
@@ -489,7 +495,7 @@ int usb_lock_device_for_reset(struct usb_device *udev,
 	}
 	return 1;
 }
-
+EXPORT_SYMBOL_GPL(usb_lock_device_for_reset);
 
 static struct usb_device *match_device(struct usb_device *dev,
 				       u16 vendor_id, u16 product_id)
@@ -578,6 +584,7 @@ int usb_get_current_frame_number(struct usb_device *dev)
 {
 	return usb_hcd_get_frame_number(dev);
 }
+EXPORT_SYMBOL_GPL(usb_get_current_frame_number);
 
 /*-------------------------------------------------------------------*/
 /*
@@ -612,6 +619,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
 	}
 	return -1;
 }
+EXPORT_SYMBOL_GPL(__usb_get_extra_descriptor);
 
 /**
  * usb_buffer_alloc - allocate dma-consistent buffer for URB_NO_xxx_DMA_MAP
@@ -646,6 +654,7 @@ void *usb_buffer_alloc(
 		return NULL;
 	return hcd_buffer_alloc(dev->bus, size, mem_flags, dma);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_alloc);
 
 /**
  * usb_buffer_free - free memory allocated with usb_buffer_alloc()
@@ -671,6 +680,7 @@ void usb_buffer_free(
 		return;
 	hcd_buffer_free(dev->bus, size, addr, dma);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_free);
 
 /**
  * usb_buffer_map - create DMA mapping(s) for an urb
@@ -718,6 +728,7 @@ struct urb *usb_buffer_map(struct urb *urb)
 				| URB_NO_SETUP_DMA_MAP);
 	return urb;
 }
+EXPORT_SYMBOL_GPL(usb_buffer_map);
 #endif  /*  0  */
 
 /* XXX DISABLED, no users currently.  If you wish to re-enable this
@@ -755,6 +766,7 @@ void usb_buffer_dmasync(struct urb *urb)
 					DMA_TO_DEVICE);
 	}
 }
+EXPORT_SYMBOL_GPL(usb_buffer_dmasync);
 #endif
 
 /**
@@ -790,6 +802,7 @@ void usb_buffer_unmap(struct urb *urb)
 	urb->transfer_flags &= ~(URB_NO_TRANSFER_DMA_MAP
 				| URB_NO_SETUP_DMA_MAP);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_unmap);
 #endif  /*  0  */
 
 /**
@@ -834,6 +847,7 @@ int usb_buffer_map_sg(const struct usb_device *dev, int is_in,
 	return dma_map_sg(controller, sg, nents,
 			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_map_sg);
 
 /* XXX DISABLED, no users currently.  If you wish to re-enable this
  * XXX please determine whether the sync is to transfer ownership of
@@ -867,6 +881,7 @@ void usb_buffer_dmasync_sg(const struct usb_device *dev, int is_in,
 	dma_sync_sg(controller, sg, n_hw_ents,
 			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_dmasync_sg);
 #endif
 
 /**
@@ -893,6 +908,7 @@ void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in,
 	dma_unmap_sg(controller, sg, n_hw_ents,
 			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
 }
+EXPORT_SYMBOL_GPL(usb_buffer_unmap_sg);
 
 /* format to disable USB on kernel command line is: nousb */
 __module_param_call("", nousb, param_set_bool, param_get_bool, &nousb, 0444);
@@ -904,6 +920,7 @@ int usb_disabled(void)
 {
 	return nousb;
 }
+EXPORT_SYMBOL_GPL(usb_disabled);
 
 /*
  * Init
@@ -985,45 +1002,4 @@ static void __exit usb_exit(void)
 
 subsys_initcall(usb_init);
 module_exit(usb_exit);
-
-/*
- * USB may be built into the kernel or be built as modules.
- * These symbols are exported for device (or host controller)
- * driver modules to use.
- */
-
-EXPORT_SYMBOL(usb_disabled);
-
-EXPORT_SYMBOL_GPL(usb_get_intf);
-EXPORT_SYMBOL_GPL(usb_put_intf);
-
-EXPORT_SYMBOL(usb_put_dev);
-EXPORT_SYMBOL(usb_get_dev);
-EXPORT_SYMBOL(usb_hub_tt_clear_buffer);
-
-EXPORT_SYMBOL(usb_lock_device_for_reset);
-
-EXPORT_SYMBOL(usb_find_interface);
-EXPORT_SYMBOL(usb_ifnum_to_if);
-EXPORT_SYMBOL(usb_altnum_to_altsetting);
-
-EXPORT_SYMBOL(__usb_get_extra_descriptor);
-
-EXPORT_SYMBOL(usb_get_current_frame_number);
-
-EXPORT_SYMBOL(usb_buffer_alloc);
-EXPORT_SYMBOL(usb_buffer_free);
-
-#if 0
-EXPORT_SYMBOL(usb_buffer_map);
-EXPORT_SYMBOL(usb_buffer_dmasync);
-EXPORT_SYMBOL(usb_buffer_unmap);
-#endif
-
-EXPORT_SYMBOL(usb_buffer_map_sg);
-#if 0
-EXPORT_SYMBOL(usb_buffer_dmasync_sg);
-#endif
-EXPORT_SYMBOL(usb_buffer_unmap_sg);
-
 MODULE_LICENSE("GPL");