+static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
+{
+ struct device *dev = &drive->gendev;
+ int ret = 1;
+
+ down_write(&dev->bus->subsys.rwsem);
+ device_release_driver(dev);
+ /* FIXME: device can still be in use by previous driver */
+ strlcpy(drive->driver_req, driver, sizeof(drive->driver_req));
+ device_attach(dev);
+ drive->driver_req[0] = 0;
+ if (dev->driver == NULL)
+ device_attach(dev);
+ if (dev->driver && !strcmp(dev->driver->name, driver))
+ ret = 0;
+ up_write(&dev->bus->subsys.rwsem);
+
+ return ret;
+}
+