#include <linux/init.h>
#include <linux/types.h>
#include <linux/notifier.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
MODULE_LICENSE("GPL");
static struct atomic_notifier_head dock_notifier_list;
+static struct platform_device dock_device;
+static char dock_device_name[] = "dock";
struct dock_station {
acpi_handle handle;
};
#define DOCK_DOCKING 0x00000001
-#define DOCK_EVENT KOBJ_DOCK
-#define UNDOCK_EVENT KOBJ_UNDOCK
+#define DOCK_EVENT 3
+#define UNDOCK_EVENT 2
static struct dock_station *dock_station;
static void dock_event(struct dock_station *ds, u32 event, int num)
{
- struct acpi_device *device;
-
- device = dock_create_acpi_device(ds->handle);
- if (device)
- kobject_uevent(&device->kobj, num);
+ /*
+ * we don't do events until someone tells me that
+ * they would like to have them.
+ */
}
/**
INIT_LIST_HEAD(&dock_station->hotplug_devices);
spin_lock_init(&dock_station->dd_lock);
spin_lock_init(&dock_station->hp_lock);
+ ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list);
+
+ /* initialize platform device stuff */
+ dock_device.name = dock_device_name;
+ ret = platform_device_register(&dock_device);
+ if (ret) {
+ printk(KERN_ERR PREFIX "Error registering dock device\n", ret);
+ kfree(dock_station);
+ return ret;
+ }
/* Find dependent devices */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
dd = alloc_dock_dependent_device(handle);
if (!dd) {
kfree(dock_station);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto dock_add_err_unregister;
}
add_dock_dependent_device(dock_station, dd);
return 0;
dock_add_err:
- kfree(dock_station);
kfree(dd);
+dock_add_err_unregister:
+ platform_device_unregister(&dock_device);
+ kfree(dock_station);
return ret;
}
if (ACPI_FAILURE(status))
printk(KERN_ERR "Error removing notify handler\n");
+ /* cleanup sysfs */
+ platform_device_unregister(&dock_device);
+
/* free dock station memory */
kfree(dock_station);
return 0;