X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fbase%2Fdriver.c;h=b400314e1c62d46d9d2dc047cb76a08292b7f9ff;hb=f933ff504f5b3f0f94b98d69d48fc8d3c1e92267;hp=291c5954a3af58afd353a8a6369850a5bf19e483;hpb=2d986010ad13a00b83851238d52601d6092df40e;p=powerpc.git diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 291c5954a3..b400314e1c 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -28,6 +28,7 @@ static struct device * next_device(struct klist_iter * i) /** * driver_for_each_device - Iterator for devices bound to a driver. * @drv: Driver we're iterating. + * @start: Device to begin with * @data: Data to pass to the callback. * @fn: Function to call for each device. * @@ -57,7 +58,7 @@ EXPORT_SYMBOL_GPL(driver_for_each_device); /** * driver_find_device - device iterator for locating a particular device. - * @driver: The device's driver + * @drv: The device's driver * @start: Device to begin with * @data: Data to pass to match function * @match: Callback function to check device @@ -142,6 +143,19 @@ void put_driver(struct device_driver * drv) kobject_put(&drv->kobj); } +static void klist_devices_get(struct klist_node *n) +{ + struct device *dev = container_of(n, struct device, knode_driver); + + get_device(dev); +} + +static void klist_devices_put(struct klist_node *n) +{ + struct device *dev = container_of(n, struct device, knode_driver); + + put_device(dev); +} /** * driver_register - register driver with bus @@ -157,7 +171,12 @@ void put_driver(struct device_driver * drv) */ int driver_register(struct device_driver * drv) { - klist_init(&drv->klist_devices); + if ((drv->bus->probe && drv->probe) || + (drv->bus->remove && drv->remove) || + (drv->bus->shutdown && drv->shutdown)) { + printk(KERN_WARNING "Driver '%s' needs updating - please use bus_type methods\n", drv->name); + } + klist_init(&drv->klist_devices, klist_devices_get, klist_devices_put); init_completion(&drv->unloaded); return bus_add_driver(drv); }