Check if the standard configuration registers of a PCI device have
been saved during suspend before trying to restore them during
resume.
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
Reported-By: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: NLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>