From 4d053fdac3c44ec8c7a78c810292a156abf84971 Mon Sep 17 00:00:00 2001
From: Tony Prisk <linux@prisktech.co.nz>
Date: Wed, 27 Mar 2013 18:28:00 +1300
Subject: [PATCH] usb: ehci: unlink_empty_async_suspended() only used with
 CONFIG_PM

Compiling with !CONFIG_PM generates an unused function warning on
unlink_empty_async_suspended().

Enclose the function in a #ifdef CONFIG_PM

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed