1 files changed, 0 insertions, 383 deletions
diff --git a/libdde_linux26/contrib/drivers/base/dd.c b/libdde_linux26/contrib/drivers/base/dd.c
deleted file mode 100644
index 13523123..00000000
--- a/libdde_linux26/contrib/drivers/base/dd.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * drivers/base/dd.c - The core device/driver interactions.
- *
- * This file contains the (sometimes tricky) code that controls the
- * interactions between devices and drivers, which primarily includes
- * driver binding and unbinding.
- *
- * All of this code used to exist in drivers/base/bus.c, but was
- * relocated to here in the name of compartmentalization (since it wasn't
- * strictly code just for the 'struct bus_type'.
- *
- * Copyright (c) 2002-5 Patrick Mochel
- * Copyright (c) 2002-3 Open Source Development Labs
- * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- * Copyright (c) 2007 Novell Inc.
- *
- * This file is released under the GPLv2
- */
-
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/kthread.h>
-#include <linux/wait.h>
-#include <linux/async.h>
-
-#include "base.h"
-#include "power/power.h"
-
-
-static void driver_bound(struct device *dev)
-{
-	if (klist_node_attached(&dev->knode_driver)) {
-		printk(KERN_WARNING "%s: device %s already bound\n",
-			__func__, kobject_name(&dev->kobj));
-		return;
-	}
-
-	pr_debug("driver: '%s': %s: bound to device '%s'\n", dev_name(dev),
-		 __func__, dev->driver->name);
-
-	if (dev->bus)
-		blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
-					     BUS_NOTIFY_BOUND_DRIVER, dev);
-
-	klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices);
-}
-
-static int driver_sysfs_add(struct device *dev)
-{
-	int ret;
-
-	ret = sysfs_create_link(&dev->driver->p->kobj, &dev->kobj,
-			  kobject_name(&dev->kobj));
-	if (ret == 0) {
-		ret = sysfs_create_link(&dev->kobj, &dev->driver->p->kobj,
-					"driver");
-		if (ret)
-			sysfs_remove_link(&dev->driver->p->kobj,
-					kobject_name(&dev->kobj));
-	}
-	return ret;
-}
-
-static void driver_sysfs_remove(struct device *dev)
-{
-	struct device_driver *drv = dev->driver;
-
-	if (drv) {
-		sysfs_remove_link(&drv->p->kobj, kobject_name(&dev->kobj));
-		sysfs_remove_link(&dev->kobj, "driver");
-	}
-}
-
-/**
- * device_bind_driver - bind a driver to one device.
- * @dev: device.
- *
- * Allow manual attachment of a driver to a device.
- * Caller must have already set @dev->driver.
- *
- * Note that this does not modify the bus reference count
- * nor take the bus's rwsem. Please verify those are accounted
- * for before calling this. (It is ok to call with no other effort
- * from a driver's probe() method.)
- *
- * This function must be called with @dev->sem held.
- */
-int device_bind_driver(struct device *dev)
-{
-	int ret;
-
-	ret = driver_sysfs_add(dev);
-	if (!ret)
-		driver_bound(dev);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(device_bind_driver);
-
-static atomic_t probe_count = ATOMIC_INIT(0);
-static DECLARE_WAIT_QUEUE_HEAD(probe_waitqueue);
-
-static int really_probe(struct device *dev, struct device_driver *drv)
-{
-	int ret = 0;
-
-	atomic_inc(&probe_count);
-	pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
-		 drv->bus->name, __func__, drv->name, dev_name(dev));
-	WARN_ON(!list_empty(&dev->devres_head));
-
-	dev->driver = drv;
-	if (driver_sysfs_add(dev)) {
-		printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n",
-			__func__, dev_name(dev));
-		goto probe_failed;
-	}
-
-	if (dev->bus->probe) {
-		ret = dev->bus->probe(dev);
-		if (ret)
-			goto probe_failed;
-	} else if (drv->probe) {
-		ret = drv->probe(dev);
-		if (ret)
-			goto probe_failed;
-	}
-
-	driver_bound(dev);
-	ret = 1;
-	pr_debug("bus: '%s': %s: bound device %s to driver %s\n",
-		 drv->bus->name, __func__, dev_name(dev), drv->name);
-	goto done;
-
-probe_failed:
-	devres_release_all(dev);
-	driver_sysfs_remove(dev);
-	dev->driver = NULL;
-
-	if (ret != -ENODEV && ret != -ENXIO) {
-		/* driver matched but the probe failed */
-		printk(KERN_WARNING
-		       "%s: probe of %s failed with error %d\n",
-		       drv->name, dev_name(dev), ret);
-	}
-	/*
-	 * Ignore errors returned by ->probe so that the next driver can try
-	 * its luck.
-	 */
-	ret = 0;
-done:
-	atomic_dec(&probe_count);
-	wake_up(&probe_waitqueue);
-	return ret;
-}
-
-/**
- * driver_probe_done
- * Determine if the probe sequence is finished or not.
- *
- * Should somehow figure out how to use a semaphore, not an atomic variable...
- */
-int driver_probe_done(void)
-{
-	pr_debug("%s: probe_count = %d\n", __func__,
-		 atomic_read(&probe_count));
-	if (atomic_read(&probe_count))
-		return -EBUSY;
-	return 0;
-}
-
-/**
- * wait_for_device_probe
- * Wait for device probing to be completed.
- *
- * Note: this function polls at 100 msec intervals.
- */
-int wait_for_device_probe(void)
-{
-	/* wait for the known devices to complete their probing */
-	while (driver_probe_done() != 0)
-		msleep(100);
-	async_synchronize_full();
-	return 0;
-}
-
-/**
- * driver_probe_device - attempt to bind device & driver together
- * @drv: driver to bind a device to
- * @dev: device to try to bind to the driver
- *
- * First, we call the bus's match function, if one present, which should
- * compare the device IDs the driver supports with the device IDs of the
- * device. Note we don't do this ourselves because we don't know the
- * format of the ID structures, nor what is to be considered a match and
- * what is not.
- *
- * This function returns 1 if a match is found, -ENODEV if the device is
- * not registered, and 0 otherwise.
- *
- * This function must be called with @dev->sem held.  When called for a
- * USB interface, @dev->parent->sem must be held as well.
- */
-int driver_probe_device(struct device_driver *drv, struct device *dev)
-{
-	int ret = 0;
-
-	if (!device_is_registered(dev))
-		return -ENODEV;
-	if (drv->bus->match && !drv->bus->match(dev, drv))
-		goto done;
-
-	pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
-		 drv->bus->name, __func__, dev_name(dev), drv->name);
-
-	ret = really_probe(dev, drv);
-
-done:
-	return ret;
-}
-
-static int __device_attach(struct device_driver *drv, void *data)
-{
-	struct device *dev = data;
-	return driver_probe_device(drv, dev);
-}
-
-/**
- * device_attach - try to attach device to a driver.
- * @dev: device.
- *
- * Walk the list of drivers that the bus has and call
- * driver_probe_device() for each pair. If a compatible
- * pair is found, break out and return.
- *
- * Returns 1 if the device was bound to a driver;
- * 0 if no matching device was found;
- * -ENODEV if the device is not registered.
- *
- * When called for a USB interface, @dev->parent->sem must be held.
- */
-int device_attach(struct device *dev)
-{
-	int ret = 0;
-
-	down(&dev->sem);
-	if (dev->driver) {
-		ret = device_bind_driver(dev);
-		if (ret == 0)
-			ret = 1;
-		else {
-			dev->driver = NULL;
-			ret = 0;
-		}
-	} else {
-		ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
-	}
-	up(&dev->sem);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(device_attach);
-
-static int __driver_attach(struct device *dev, void *data)
-{
-	struct device_driver *drv = data;
-
-	/*
-	 * Lock device and try to bind to it. We drop the error
-	 * here and always return 0, because we need to keep trying
-	 * to bind to devices and some drivers will return an error
-	 * simply if it didn't support the device.
-	 *
-	 * driver_probe_device() will spit a warning if there
-	 * is an error.
-	 */
-
-	if (drv->bus->match && !drv->bus->match(dev, drv))
-		return 0;
-
-	if (dev->parent)	/* Needed for USB */
-		down(&dev->parent->sem);
-	down(&dev->sem);
-	if (!dev->driver)
-		driver_probe_device(drv, dev);
-	up(&dev->sem);
-	if (dev->parent)
-		up(&dev->parent->sem);
-
-	return 0;
-}
-
-/**
- * driver_attach - try to bind driver to devices.
- * @drv: driver.
- *
- * Walk the list of devices that the bus has on it and try to
- * match the driver with each one.  If driver_probe_device()
- * returns 0 and the @dev->driver is set, we've found a
- * compatible pair.
- */
-int driver_attach(struct device_driver *drv)
-{
-	return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
-}
-EXPORT_SYMBOL_GPL(driver_attach);
-
-/*
- * __device_release_driver() must be called with @dev->sem held.
- * When called for a USB interface, @dev->parent->sem must be held as well.
- */
-static void __device_release_driver(struct device *dev)
-{
-	struct device_driver *drv;
-
-	drv = dev->driver;
-	if (drv) {
-		driver_sysfs_remove(dev);
-
-		if (dev->bus)
-			blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
-						     BUS_NOTIFY_UNBIND_DRIVER,
-						     dev);
-
-		if (dev->bus && dev->bus->remove)
-			dev->bus->remove(dev);
-		else if (drv->remove)
-			drv->remove(dev);
-		devres_release_all(dev);
-		dev->driver = NULL;
-		klist_remove(&dev->knode_driver);
-	}
-}
-
-/**
- * device_release_driver - manually detach device from driver.
- * @dev: device.
- *
- * Manually detach device from driver.
- * When called for a USB interface, @dev->parent->sem must be held.
- */
-void device_release_driver(struct device *dev)
-{
-	/*
-	 * If anyone calls device_release_driver() recursively from
-	 * within their ->remove callback for the same device, they
-	 * will deadlock right here.
-	 */
-	down(&dev->sem);
-	__device_release_driver(dev);
-	up(&dev->sem);
-}
-EXPORT_SYMBOL_GPL(device_release_driver);
-
-/**
- * driver_detach - detach driver from all devices it controls.
- * @drv: driver.
- */
-void driver_detach(struct device_driver *drv)
-{
-	struct device *dev;
-
-	for (;;) {
-		spin_lock(&drv->p->klist_devices.k_lock);
-		if (list_empty(&drv->p->klist_devices.k_list)) {
-			spin_unlock(&drv->p->klist_devices.k_lock);
-			break;
-		}
-		dev = list_entry(drv->p->klist_devices.k_list.prev,
-				struct device, knode_driver.n_node);
-		get_device(dev);
-		spin_unlock(&drv->p->klist_devices.k_lock);
-
-		if (dev->parent)	/* Needed for USB */
-			down(&dev->parent->sem);
-		down(&dev->sem);
-		if (dev->driver == drv)
-			__device_release_driver(dev);
-		up(&dev->sem);
-		if (dev->parent)
-			up(&dev->parent->sem);
-		put_device(dev);
-	}
-}