keys: don't generate user and user session keyrings unless they're accessed

[linux-2.6-omap-h63xx.git] / drivers / of / platform.c

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 864f09fd9f86f6978d1bc87710b0fe35c48669a6..ca09a63a64db7bdf66a03f0da0069518615e3d6f 100644 (file)
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -12,6 +12,7 @@
  *
  */
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
@@ -84,6 +85,15 @@ static int of_platform_device_resume(struct device * dev)
        return error;
 }
 
+static void of_platform_device_shutdown(struct device *dev)
+{
+       struct of_device *of_dev = to_of_device(dev);
+       struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
+
+       if (dev->driver && drv->shutdown)
+               drv->shutdown(of_dev);
+}
+
 int of_bus_type_init(struct bus_type *bus, const char *name)
 {
        bus->name = name;
@@ -92,5 +102,26 @@ int of_bus_type_init(struct bus_type *bus, const char *name)
        bus->remove = of_platform_device_remove;
        bus->suspend = of_platform_device_suspend;
        bus->resume = of_platform_device_resume;
+       bus->shutdown = of_platform_device_shutdown;
        return bus_register(bus);
 }
+
+int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
+{
+       /* initialize common driver fields */
+       if (!drv->driver.name)
+               drv->driver.name = drv->name;
+       if (!drv->driver.owner)
+               drv->driver.owner = drv->owner;
+       drv->driver.bus = bus;
+
+       /* register with core */
+       return driver_register(&drv->driver);
+}
+EXPORT_SYMBOL(of_register_driver);
+
+void of_unregister_driver(struct of_platform_driver *drv)
+{
+       driver_unregister(&drv->driver);
+}
+EXPORT_SYMBOL(of_unregister_driver);