diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/base.h | 4 | ||||
| -rw-r--r-- | drivers/base/dd.c | 13 | ||||
| -rw-r--r-- | drivers/base/driver.c | 13 |
3 files changed, 8 insertions, 22 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h index 8af0bb2c0aa8..f5cf31c664d7 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -68,7 +68,6 @@ struct class_private { * * @klist_children - klist containing all children of this device * @knode_parent - node in sibling list - * @knode_driver - node in driver list * @device - pointer back to the struct class that this structure is * associated with. * @@ -77,13 +76,10 @@ struct class_private { struct device_private { struct klist klist_children; struct klist_node knode_parent; - struct klist_node knode_driver; struct device *device; }; #define to_device_private_parent(obj) \ container_of(obj, struct device_private, knode_parent) -#define to_device_private_driver(obj) \ - container_of(obj, struct device_private, knode_driver) /* initialisation functions */ extern int devices_init(void); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 6fdaf76f033f..315bed8d5e7f 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -28,7 +28,7 @@ static void driver_bound(struct device *dev) { - if (klist_node_attached(&dev->p->knode_driver)) { + if (klist_node_attached(&dev->knode_driver)) { printk(KERN_WARNING "%s: device %s already bound\n", __func__, kobject_name(&dev->kobj)); return; @@ -41,7 +41,7 @@ static void driver_bound(struct device *dev) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_BOUND_DRIVER, dev); - klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices); + klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices); } static int driver_sysfs_add(struct device *dev) @@ -310,7 +310,7 @@ static void __device_release_driver(struct device *dev) drv->remove(dev); devres_release_all(dev); dev->driver = NULL; - klist_remove(&dev->p->knode_driver); + klist_remove(&dev->knode_driver); } } @@ -340,7 +340,6 @@ EXPORT_SYMBOL_GPL(device_release_driver); */ void driver_detach(struct device_driver *drv) { - struct device_private *dev_prv; struct device *dev; for (;;) { @@ -349,10 +348,8 @@ void driver_detach(struct device_driver *drv) spin_unlock(&drv->p->klist_devices.k_lock); break; } - dev_prv = list_entry(drv->p->klist_devices.k_list.prev, - struct device_private, - knode_driver.n_node); - dev = dev_prv->device; + 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); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index b76cc69f1106..1e2bda780e48 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -19,14 +19,7 @@ static struct device *next_device(struct klist_iter *i) { struct klist_node *n = klist_next(i); - struct device *dev = NULL; - struct device_private *dev_prv; - - if (n) { - dev_prv = to_device_private_driver(n); - dev = dev_prv->device; - } - return dev; + return n ? container_of(n, struct device, knode_driver) : NULL; } /** @@ -49,7 +42,7 @@ int driver_for_each_device(struct device_driver *drv, struct device *start, return -EINVAL; klist_iter_init_node(&drv->p->klist_devices, &i, - start ? &start->p->knode_driver : NULL); + start ? &start->knode_driver : NULL); while ((dev = next_device(&i)) && !error) error = fn(dev, data); klist_iter_exit(&i); @@ -83,7 +76,7 @@ struct device *driver_find_device(struct device_driver *drv, return NULL; klist_iter_init_node(&drv->p->klist_devices, &i, - (start ? &start->p->knode_driver : NULL)); + (start ? &start->knode_driver : NULL)); while ((dev = next_device(&i))) if (match(dev, data) && get_device(dev)) break; |