pnp: add a shutdown method to pnp drivers

The shutdown method is used by the winbond cir driver to setup the
hardware for wake-from-S5.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: David Härdeman <david@hardeman.nu>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b063c73..fddfafa 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -360,6 +360,7 @@
 	unsigned int flags;
 	int (*probe) (struct pnp_dev *dev, const struct pnp_device_id *dev_id);
 	void (*remove) (struct pnp_dev *dev);
+	void (*shutdown) (struct pnp_dev *dev);
 	int (*suspend) (struct pnp_dev *dev, pm_message_t state);
 	int (*resume) (struct pnp_dev *dev);
 	struct device_driver driver;