diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/base.h | 4 | ||||
| -rw-r--r-- | drivers/base/class.c | 22 | ||||
| -rw-r--r-- | drivers/base/core.c | 8 |
3 files changed, 17 insertions, 17 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h index a77d4bd2ea6..4435732437a 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -45,7 +45,7 @@ struct driver_private { * @class_devices - list of devices associated with this class * @class_interfaces - list of class_interfaces associated with this class * @class_dirs - - * @sem - semaphore to protect the children, devices, and interfaces lists. + * @class_sem - semaphore to protect the children, devices, and interfaces lists. * @class - pointer back to the struct class that this structure is associated * with. * @@ -58,7 +58,7 @@ struct class_private { struct list_head class_devices; struct list_head class_interfaces; struct kset class_dirs; - struct semaphore sem; + struct semaphore class_sem; struct class *class; }; #define to_class(obj) \ diff --git a/drivers/base/class.c b/drivers/base/class.c index 86778b86496..d24d21114cc 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -147,7 +147,7 @@ int class_register(struct class *cls) INIT_LIST_HEAD(&cp->class_devices); INIT_LIST_HEAD(&cp->class_interfaces); kset_init(&cp->class_dirs); - init_MUTEX(&cp->sem); + init_MUTEX(&cp->class_sem); error = kobject_set_name(&cp->class_subsys.kobj, "%s", cls->name); if (error) { kfree(cp); @@ -278,7 +278,7 @@ char *make_class_name(const char *name, struct kobject *kobj) * We check the return of @fn each time. If it returns anything * other than 0, we break out and return that value. * - * Note, we hold class->sem in this function, so it can not be + * Note, we hold class->class_sem in this function, so it can not be * re-acquired in @fn, otherwise it will self-deadlocking. For * example, calls to add or remove class members would be verboten. */ @@ -290,7 +290,7 @@ int class_for_each_device(struct class *class, struct device *start, if (!class) return -EINVAL; - down(&class->p->sem); + down(&class->p->class_sem); list_for_each_entry(dev, &class->p->class_devices, node) { if (start) { if (start == dev) @@ -303,7 +303,7 @@ int class_for_each_device(struct class *class, struct device *start, if (error) break; } - up(&class->p->sem); + up(&class->p->class_sem); return error; } @@ -326,7 +326,7 @@ EXPORT_SYMBOL_GPL(class_for_each_device); * * Note, you will need to drop the reference with put_device() after use. * - * We hold class->sem in this function, so it can not be + * We hold class->class_sem in this function, so it can not be * re-acquired in @match, otherwise it will self-deadlocking. For * example, calls to add or remove class members would be verboten. */ @@ -340,7 +340,7 @@ struct device *class_find_device(struct class *class, struct device *start, if (!class) return NULL; - down(&class->p->sem); + down(&class->p->class_sem); list_for_each_entry(dev, &class->p->class_devices, node) { if (start) { if (start == dev) @@ -354,7 +354,7 @@ struct device *class_find_device(struct class *class, struct device *start, } else put_device(dev); } - up(&class->p->sem); + up(&class->p->class_sem); return found ? dev : NULL; } @@ -372,13 +372,13 @@ int class_interface_register(struct class_interface *class_intf) if (!parent) return -EINVAL; - down(&parent->p->sem); + down(&parent->p->class_sem); list_add_tail(&class_intf->node, &parent->p->class_interfaces); if (class_intf->add_dev) { list_for_each_entry(dev, &parent->p->class_devices, node) class_intf->add_dev(dev, class_intf); } - up(&parent->p->sem); + up(&parent->p->class_sem); return 0; } @@ -391,13 +391,13 @@ void class_interface_unregister(struct class_interface *class_intf) if (!parent) return; - down(&parent->p->sem); + down(&parent->p->class_sem); list_del_init(&class_intf->node); if (class_intf->remove_dev) { list_for_each_entry(dev, &parent->p->class_devices, node) class_intf->remove_dev(dev, class_intf); } - up(&parent->p->sem); + up(&parent->p->class_sem); class_put(parent); } diff --git a/drivers/base/core.c b/drivers/base/core.c index 6e1cff296d9..b90ae6f7be8 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -907,7 +907,7 @@ int device_add(struct device *dev) klist_add_tail(&dev->knode_parent, &parent->klist_children); if (dev->class) { - down(&dev->class->p->sem); + down(&dev->class->p->class_sem); /* tie the class to the device */ list_add_tail(&dev->node, &dev->class->p->class_devices); @@ -916,7 +916,7 @@ int device_add(struct device *dev) &dev->class->p->class_interfaces, node) if (class_intf->add_dev) class_intf->add_dev(dev, class_intf); - up(&dev->class->p->sem); + up(&dev->class->p->class_sem); } Done: put_device(dev); @@ -1017,7 +1017,7 @@ void device_del(struct device *dev) if (dev->class) { device_remove_class_symlinks(dev); - down(&dev->class->p->sem); + down(&dev->class->p->class_sem); /* notify any interfaces that the device is now gone */ list_for_each_entry(class_intf, &dev->class->p->class_interfaces, node) @@ -1025,7 +1025,7 @@ void device_del(struct device *dev) class_intf->remove_dev(dev, class_intf); /* remove the device from the class list */ list_del_init(&dev->node); - up(&dev->class->p->sem); + up(&dev->class->p->class_sem); } device_remove_file(dev, &uevent_attr); device_remove_attrs(dev); |