kfifo: move out spinlock

Move the pointer to the spinlock out of struct kfifo.  Most users in
tree do not actually use a spinlock, so the few exceptions now have to
call kfifo_{get,put}_locked, which takes an extra argument to a
spinlock.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h
index 2277428..a76da20 100644
--- a/drivers/usb/host/fhci.h
+++ b/drivers/usb/host/fhci.h
@@ -495,7 +495,7 @@
 /* fifo of pointers */
 static inline int cq_new(struct kfifo *fifo, int size)
 {
-	return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL, NULL);
+	return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL);
 }
 
 static inline void cq_delete(struct kfifo *kfifo)