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pnp: add a shutdown method to pnp drivers

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

Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: David Härdeman <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Härdeman 2009-09-21 17:04:52 -07:00 • committed by Linus Torvalds
commit abd6633c67
2 changed files with 11 additions and 0 deletions
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10
drivers/pnp/driver.c
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@ -135,6 +135,15 @@ static int pnp_device_remove(struct device *dev)
return 0;
}
static void pnp_device_shutdown(struct device *dev)
{
struct pnp_dev *pnp_dev = to_pnp_dev(dev);
struct pnp_driver *drv = pnp_dev->driver;
if (drv && drv->shutdown)
drv->shutdown(pnp_dev);
}
static int pnp_bus_match(struct device *dev, struct device_driver *drv)
{
struct pnp_dev *pnp_dev = to_pnp_dev(dev);
@ -203,6 +212,7 @@ struct bus_type pnp_bus_type = {
.match = pnp_bus_match,
.probe = pnp_device_probe,
.remove = pnp_device_remove,
.shutdown = pnp_device_shutdown,
.suspend = pnp_bus_suspend,
.resume = pnp_bus_resume,
.dev_attrs = pnp_interface_attrs,