[ALSA] usb-audio: remove old compatibility wrappers (1/2)

Modules: USB generic driver

Move the usb_pipe_needs_resubmit() compatibility wrapper out of the
kernel tree.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/usb/usbaudio.h

@@ -249,10 +249,6 @@ void snd_usbmidi_disconnect(struct list_head *p);
 #define get_cfg_desc(cfg)	(&(cfg)->desc)
 #endif
 
-#ifndef usb_pipe_needs_resubmit
-#define usb_pipe_needs_resubmit(pipe) 1
-#endif
-
 #ifndef snd_usb_complete_callback
 #define snd_usb_complete_callback(x) (x)
 #endif

sound/usb/usbmidi.c

@@ -246,10 +246,8 @@ static void snd_usbmidi_in_urb_complete(struct urb* urb, struct pt_regs *regs)
 		}
 	}
 
-	if (usb_pipe_needs_resubmit(urb->pipe)) {
-		urb->dev = ep->umidi->chip->dev;
-		snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
-	}
+	urb->dev = ep->umidi->chip->dev;
+	snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
 }
 
 static void snd_usbmidi_out_urb_complete(struct urb* urb, struct pt_regs *regs)