diff options
Diffstat (limited to 'drivers/base/dd.c')
| -rw-r--r-- | drivers/base/dd.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index ee95c76bfd3..c89291f8a16 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -85,7 +85,7 @@ static void driver_sysfs_remove(struct device *dev) * 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. + * This function must be called with the device lock held. */ int device_bind_driver(struct device *dev) { @@ -190,8 +190,8 @@ EXPORT_SYMBOL_GPL(wait_for_device_probe); * This function returns -ENODEV if the device is not registered, * 1 if the device is bound successfully 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. + * This function must be called with @dev lock held. When called for a + * USB interface, @dev->parent lock must be held as well. */ int driver_probe_device(struct device_driver *drv, struct device *dev) { @@ -233,13 +233,13 @@ static int __device_attach(struct device_driver *drv, void *data) * 0 if no matching driver was found; * -ENODEV if the device is not registered. * - * When called for a USB interface, @dev->parent->sem must be held. + * When called for a USB interface, @dev->parent lock must be held. */ int device_attach(struct device *dev) { int ret = 0; - down(&dev->sem); + device_lock(dev); if (dev->driver) { ret = device_bind_driver(dev); if (ret == 0) @@ -253,7 +253,7 @@ int device_attach(struct device *dev) ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach); pm_runtime_put_sync(dev); } - up(&dev->sem); + device_unlock(dev); return ret; } EXPORT_SYMBOL_GPL(device_attach); @@ -276,13 +276,13 @@ static int __driver_attach(struct device *dev, void *data) return 0; if (dev->parent) /* Needed for USB */ - down(&dev->parent->sem); - down(&dev->sem); + device_lock(dev->parent); + device_lock(dev); if (!dev->driver) driver_probe_device(drv, dev); - up(&dev->sem); + device_unlock(dev); if (dev->parent) - up(&dev->parent->sem); + device_unlock(dev->parent); return 0; } @@ -303,8 +303,8 @@ int driver_attach(struct device_driver *drv) 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. + * __device_release_driver() must be called with @dev lock held. + * When called for a USB interface, @dev->parent lock must be held as well. */ static void __device_release_driver(struct device *dev) { @@ -343,7 +343,7 @@ static void __device_release_driver(struct device *dev) * @dev: device. * * Manually detach device from driver. - * When called for a USB interface, @dev->parent->sem must be held. + * When called for a USB interface, @dev->parent lock must be held. */ void device_release_driver(struct device *dev) { @@ -352,9 +352,9 @@ void device_release_driver(struct device *dev) * within their ->remove callback for the same device, they * will deadlock right here. */ - down(&dev->sem); + device_lock(dev); __device_release_driver(dev); - up(&dev->sem); + device_unlock(dev); } EXPORT_SYMBOL_GPL(device_release_driver); @@ -381,13 +381,13 @@ void driver_detach(struct device_driver *drv) spin_unlock(&drv->p->klist_devices.k_lock); if (dev->parent) /* Needed for USB */ - down(&dev->parent->sem); - down(&dev->sem); + device_lock(dev->parent); + device_lock(dev); if (dev->driver == drv) __device_release_driver(dev); - up(&dev->sem); + device_unlock(dev); if (dev->parent) - up(&dev->parent->sem); + device_unlock(dev->parent); put_device(dev); } } |