diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index f58a0299fb3b..e01b1913d02b 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -189,13 +189,13 @@ static int usb_create_newid_files(struct usb_driver *usb_drv) goto exit; if (usb_drv->probe != NULL) { - error = driver_create_file(&usb_drv->drvwrap.driver, + error = driver_create_file(&usb_drv->driver, &driver_attr_new_id); if (error == 0) { - error = driver_create_file(&usb_drv->drvwrap.driver, + error = driver_create_file(&usb_drv->driver, &driver_attr_remove_id); if (error) - driver_remove_file(&usb_drv->drvwrap.driver, + driver_remove_file(&usb_drv->driver, &driver_attr_new_id); } } @@ -209,9 +209,9 @@ static void usb_remove_newid_files(struct usb_driver *usb_drv) return; if (usb_drv->probe != NULL) { - driver_remove_file(&usb_drv->drvwrap.driver, + driver_remove_file(&usb_drv->driver, &driver_attr_remove_id); - driver_remove_file(&usb_drv->drvwrap.driver, + driver_remove_file(&usb_drv->driver, &driver_attr_new_id); } } @@ -290,7 +290,10 @@ static int usb_probe_device(struct device *dev) * specialised device drivers prior to setting the * use_generic_driver bit. */ - error = udriver->probe(udev); + if (udriver->probe) + error = udriver->probe(udev); + else if (!udriver->generic_subclass) + error = -EINVAL; if (error == -ENODEV && udriver != &usb_generic_driver && (udriver->id_table || udriver->match)) { udev->use_generic_driver = 1; @@ -549,7 +552,7 @@ int usb_driver_claim_interface(struct usb_driver *driver, if (!iface->authorized) return -ENODEV; - dev->driver = &driver->drvwrap.driver; + dev->driver = &driver->driver; usb_set_intfdata(iface, data); iface->needs_binding = 0; @@ -612,7 +615,7 @@ void usb_driver_release_interface(struct usb_driver *driver, struct device *dev = &iface->dev; /* this should never happen, don't release something that's not ours */ - if (!dev->driver || dev->driver != &driver->drvwrap.driver) + if (!dev->driver || dev->driver != &driver->driver) return; /* don't release from within disconnect() */ @@ -947,7 +950,7 @@ static int __usb_bus_reprobe_drivers(struct device *dev, void *data) int ret; /* Don't reprobe if current driver isn't usb_generic_driver */ - if (dev->driver != &usb_generic_driver.drvwrap.driver) + if (dev->driver != &usb_generic_driver.driver) return 0; udev = to_usb_device(dev); @@ -961,6 +964,11 @@ static int __usb_bus_reprobe_drivers(struct device *dev, void *data) return 0; } +bool is_usb_device_driver(const struct device_driver *drv) +{ + return drv->probe == usb_probe_device; +} + /** * usb_register_device_driver - register a USB device (not interface) driver * @new_udriver: USB operations for the device driver @@ -980,15 +988,14 @@ int usb_register_device_driver(struct usb_device_driver *new_udriver, if (usb_disabled()) return -ENODEV; - new_udriver->drvwrap.for_devices = 1; - new_udriver->drvwrap.driver.name = new_udriver->name; - new_udriver->drvwrap.driver.bus = &usb_bus_type; - new_udriver->drvwrap.driver.probe = usb_probe_device; - new_udriver->drvwrap.driver.remove = usb_unbind_device; - new_udriver->drvwrap.driver.owner = owner; - new_udriver->drvwrap.driver.dev_groups = new_udriver->dev_groups; + new_udriver->driver.name = new_udriver->name; + new_udriver->driver.bus = &usb_bus_type; + new_udriver->driver.probe = usb_probe_device; + new_udriver->driver.remove = usb_unbind_device; + new_udriver->driver.owner = owner; + new_udriver->driver.dev_groups = new_udriver->dev_groups; - retval = driver_register(&new_udriver->drvwrap.driver); + retval = driver_register(&new_udriver->driver); if (!retval) { pr_info("%s: registered new device driver %s\n", @@ -1020,7 +1027,7 @@ void usb_deregister_device_driver(struct usb_device_driver *udriver) pr_info("%s: deregistering device driver %s\n", usbcore_name, udriver->name); - driver_unregister(&udriver->drvwrap.driver); + driver_unregister(&udriver->driver); } EXPORT_SYMBOL_GPL(usb_deregister_device_driver); @@ -1048,18 +1055,17 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner, if (usb_disabled()) return -ENODEV; - new_driver->drvwrap.for_devices = 0; - new_driver->drvwrap.driver.name = new_driver->name; - new_driver->drvwrap.driver.bus = &usb_bus_type; - new_driver->drvwrap.driver.probe = usb_probe_interface; - new_driver->drvwrap.driver.remove = usb_unbind_interface; - new_driver->drvwrap.driver.owner = owner; - new_driver->drvwrap.driver.mod_name = mod_name; - new_driver->drvwrap.driver.dev_groups = new_driver->dev_groups; + new_driver->driver.name = new_driver->name; + new_driver->driver.bus = &usb_bus_type; + new_driver->driver.probe = usb_probe_interface; + new_driver->driver.remove = usb_unbind_interface; + new_driver->driver.owner = owner; + new_driver->driver.mod_name = mod_name; + new_driver->driver.dev_groups = new_driver->dev_groups; spin_lock_init(&new_driver->dynids.lock); INIT_LIST_HEAD(&new_driver->dynids.list); - retval = driver_register(&new_driver->drvwrap.driver); + retval = driver_register(&new_driver->driver); if (retval) goto out; @@ -1074,7 +1080,7 @@ out: return retval; out_newid: - driver_unregister(&new_driver->drvwrap.driver); + driver_unregister(&new_driver->driver); pr_err("%s: error %d registering interface driver %s\n", usbcore_name, retval, new_driver->name); @@ -1099,7 +1105,7 @@ void usb_deregister(struct usb_driver *driver) usbcore_name, driver->name); usb_remove_newid_files(driver); - driver_unregister(&driver->drvwrap.driver); + driver_unregister(&driver->driver); usb_free_dynids(driver); } EXPORT_SYMBOL_GPL(usb_deregister); |