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| author | David Härdeman <david@hardeman.nu> | 2009-09-21 17:04:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-22 07:17:49 -0700 |
| commit | abd6633c67925f90775bb74755f9c547e30f1f20 (patch) | |
| tree | 9cb974febc1a30e3914720655cd406cea84c063e /drivers/pnp/driver.c | |
| parent | a976f150a6953da5ccbd40fa6dba3bd7d56f9f67 (diff) | |
| download | lwn-abd6633c67925f90775bb74755f9c547e30f1f20.tar.gz lwn-abd6633c67925f90775bb74755f9c547e30f1f20.zip | |
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>
Diffstat (limited to 'drivers/pnp/driver.c')
| -rw-r--r-- | drivers/pnp/driver.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 527ee764c93f..cd11b113494f 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -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, |