diff options
| -rw-r--r-- | drivers/base/bus.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 736dc1f5a316..4eb19525e064 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -17,8 +17,6 @@ #include "base.h" #include "power/power.h" -#define to_dev(node) container_of(node, struct device, bus_list) - #define to_bus_attr(_attr) container_of(_attr, struct bus_attribute, attr) #define to_bus(obj) container_of(obj, struct bus_type, subsys.kset.kobj) @@ -271,11 +269,8 @@ int bus_add_device(struct device * dev) int error = 0; if (bus) { - down_write(&dev->bus->subsys.rwsem); pr_debug("bus %s: add device %s\n", bus->name, dev->bus_id); - list_add_tail(&dev->bus_list, &dev->bus->devices.list); device_attach(dev); - up_write(&dev->bus->subsys.rwsem); klist_add_tail(&bus->klist_devices, &dev->knode_bus); device_add_attrs(bus, dev); sysfs_create_link(&bus->devices.kobj, &dev->kobj, dev->bus_id); @@ -300,11 +295,8 @@ void bus_remove_device(struct device * dev) sysfs_remove_link(&dev->bus->devices.kobj, dev->bus_id); device_remove_attrs(dev->bus, dev); klist_remove(&dev->knode_bus); - down_write(&dev->bus->subsys.rwsem); pr_debug("bus %s: remove device %s\n", dev->bus->name, dev->bus_id); device_release_driver(dev); - list_del_init(&dev->bus_list); - up_write(&dev->bus->subsys.rwsem); put_bus(dev->bus); } } @@ -364,9 +356,7 @@ int bus_add_driver(struct device_driver * drv) return error; } - down_write(&bus->subsys.rwsem); driver_attach(drv); - up_write(&bus->subsys.rwsem); klist_add_tail(&bus->klist_drivers, &drv->knode_bus); module_add_driver(drv->owner, drv); @@ -390,10 +380,8 @@ void bus_remove_driver(struct device_driver * drv) if (drv->bus) { driver_remove_attrs(drv->bus, drv); klist_remove(&drv->knode_bus); - down_write(&drv->bus->subsys.rwsem); pr_debug("bus %s: remove driver %s\n", drv->bus->name, drv->name); driver_detach(drv); - up_write(&drv->bus->subsys.rwsem); module_remove_driver(drv); kobject_unregister(&drv->kobj); put_bus(drv->bus); |