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    Subject[patch 1/2] 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.

    Changes since last version: the previous patch added a shutdown method
    to acpi drivers, the winbond cir driver is now a pnp driver so the
    shutdown method is added to pnp drivers instead. Patch by
    Bjorn Helgaas <bjorn.helgaas@hp.com>.

    Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
    Signed-off-by: David Härdeman <david@hardeman.nu>

    Index: linux-2.6/drivers/pnp/driver.c
    ===================================================================
    --- linux-2.6.orig/drivers/pnp/driver.c 2009-07-25 19:53:32.000000000 +0200
    +++ linux-2.6/drivers/pnp/driver.c 2009-07-25 19:54:21.000000000 +0200
    @@ -135,6 +135,15 @@
    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 @@
    .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,
    Index: linux-2.6/include/linux/pnp.h
    ===================================================================
    --- linux-2.6.orig/include/linux/pnp.h 2009-07-25 19:53:32.000000000 +0200
    +++ linux-2.6/include/linux/pnp.h 2009-07-25 19:54:21.000000000 +0200
    @@ -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;
    --
    David Härdeman
    --
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