Serialization of configuration accesses is provided by 'pci_lock' in
drivers/pci/access.c thus making the driver's 'conf_lock' superfluous.
Signed-off-by: NAndrew Murray <amurray@embedded-bits.co.uk>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NJason Cooper <jason@lakedaemon.net>