[PATCH 2/5] usb: core: make usb_set_maxpacket_ep public

[Fabian Pflug <f.pflug@pengutronix.de>]

The function will be used by the efi usb driver to set the maxpackets
per endpoint.

Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
---
 drivers/usb/core/usb.c | 12 ++----------
 drivers/usb/core/usb.h |  2 ++
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index ae87137447..ce10b71f40 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -127,16 +127,8 @@ static int usb_set_configuration(struct usb_device *dev, int configuration)
 		return res;
 }
 
-/* The routine usb_set_maxpacket_ep() is extracted from the loop of routine
- * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine
- * when it is inlined in 1 single routine. What happens is that the register r3
- * is used as loop-count 'i', but gets overwritten later on.
- * This is clearly a compiler bug, but it is easier to workaround it here than
- * to update the compiler (Occurs with at least several GCC 4.{1,2},x
- * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM)
- */
-static void  noinline
-usb_set_maxpacket_ep(struct usb_device *dev, struct usb_endpoint_descriptor *ep)
+void usb_set_maxpacket_ep(struct usb_device *dev,
+			  struct usb_endpoint_descriptor *ep)
 {
 	int b;
 
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 0d4f80c21d..b503e5b4a8 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -6,5 +6,7 @@ struct usb_device *usb_alloc_new_device(void);
 void usb_free_device(struct usb_device *dev);
 int usb_new_device(struct usb_device *dev);
 void usb_remove_device(struct usb_device *dev);
+void usb_set_maxpacket_ep(struct usb_device *dev,
+			  struct usb_endpoint_descriptor *ep);
 
 #endif /* __CORE_USB_H */

-- 
2.47.3