struct usb_device *udev;
int error = -ENODEV;
- dev_dbg(dev, "%s\n", __FUNCTION__);
+ dev_dbg(dev, "%s\n", __func__);
if (!is_usb_device(dev)) /* Sanity check */
return error;
const struct usb_device_id *id;
int error = -ENODEV;
- dev_dbg(dev, "%s\n", __FUNCTION__);
+ dev_dbg(dev, "%s\n", __func__);
if (is_usb_device(dev)) /* Sanity check */
return error;
intf = to_usb_interface(dev);
udev = interface_to_usbdev(intf);
- if (udev->authorized == 0) {
- dev_err(&intf->dev, "Device is not authorized for usage\n");
- return -ENODEV;
- }
+ if (udev->authorized == 0) {
+ dev_err(&intf->dev, "Device is not authorized for usage\n");
+ return -ENODEV;
+ }
id = usb_match_id(intf, driver->id_table);
if (!id)
id = usb_match_dynamic_id(intf, driver);
if (id) {
- dev_dbg(dev, "%s - got id\n", __FUNCTION__);
+ dev_dbg(dev, "%s - got id\n", __func__);
error = usb_autoresume_device(udev);
if (error)
* lock.
*/
int usb_driver_claim_interface(struct usb_driver *driver,
- struct usb_interface *iface, void* priv)
+ struct usb_interface *iface, void *priv)
{
struct device *dev = &iface->dev;
struct usb_device *udev = interface_to_usbdev(iface);
return retval;
}
-EXPORT_SYMBOL(usb_driver_claim_interface);
+EXPORT_SYMBOL_GPL(usb_driver_claim_interface);
/**
* usb_driver_release_interface - unbind a driver from an interface
iface->needs_remote_wakeup = 0;
usb_pm_unlock(udev);
}
-EXPORT_SYMBOL(usb_driver_release_interface);
+EXPORT_SYMBOL_GPL(usb_driver_release_interface);
/* returns 0 if no match, 1 if match */
int usb_match_device(struct usb_device *dev, const struct usb_device_id *id)
return 0;
if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
- (id->bDeviceSubClass!= dev->descriptor.bDeviceSubClass))
+ (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass))
return 0;
if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
id->driver_info is the way to create an entry that
indicates that the driver want to examine every
device and interface. */
- for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
- id->driver_info; id++) {
+ for (; id->idVendor || id->idProduct || id->bDeviceClass ||
+ id->bInterfaceClass || id->driver_info; id++) {
if (usb_match_one_id(interface, id))
return id;
}
return NULL;
}
-EXPORT_SYMBOL_GPL_FUTURE(usb_match_id);
+EXPORT_SYMBOL_GPL(usb_match_id);
static int usb_device_match(struct device *dev, struct device_driver *drv)
{
struct usb_device *usb_dev;
/* driver is often null here; dev_dbg() would oops */
- pr_debug ("usb %s: uevent\n", dev->bus_id);
+ pr_debug("usb %s: uevent\n", dev->bus_id);
if (is_usb_device(dev))
usb_dev = to_usb_device(dev);
}
if (usb_dev->devnum < 0) {
- pr_debug ("usb %s: already deleted?\n", dev->bus_id);
+ pr_debug("usb %s: already deleted?\n", dev->bus_id);
return -ENODEV;
}
if (!usb_dev->bus) {
- pr_debug ("usb %s: bus removed?\n", dev->bus_id);
+ pr_debug("usb %s: bus removed?\n", dev->bus_id);
return -ENODEV;
}
return retval;
}
-EXPORT_SYMBOL_GPL_FUTURE(usb_register_driver);
+EXPORT_SYMBOL_GPL(usb_register_driver);
/**
* usb_deregister - unregister a USB interface driver
usbfs_update_special();
}
-EXPORT_SYMBOL_GPL_FUTURE(usb_deregister);
+EXPORT_SYMBOL_GPL(usb_deregister);
#ifdef CONFIG_PM
status = udriver->suspend(udev, msg);
done:
- dev_vdbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status);
- if (status == 0)
- udev->dev.power.power_state.event = msg.event;
+ dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);
return status;
}
status = udriver->resume(udev);
done:
- dev_vdbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status);
- if (status == 0) {
+ dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);
+ if (status == 0)
udev->autoresume_disabled = 0;
- udev->dev.power.power_state.event = PM_EVENT_ON;
- }
return status;
}
dev_err(&intf->dev, "%s error %d\n",
"suspend", status);
} else {
- // FIXME else if there's no suspend method, disconnect...
- // Not possible if auto_pm is set...
+ /*
+ * FIXME else if there's no suspend method, disconnect...
+ * Not possible if auto_pm is set...
+ */
dev_warn(&intf->dev, "no suspend for driver %s?\n",
driver->name);
mark_quiesced(intf);
}
done:
- dev_vdbg(&intf->dev, "%s: status %d\n", __FUNCTION__, status);
+ dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);
return status;
}
dev_err(&intf->dev, "%s error %d\n",
"reset_resume", status);
} else {
- // status = -EOPNOTSUPP;
+ /* status = -EOPNOTSUPP; */
dev_warn(&intf->dev, "no %s for driver %s?\n",
"reset_resume", driver->name);
}
dev_err(&intf->dev, "%s error %d\n",
"resume", status);
} else {
- // status = -EOPNOTSUPP;
+ /* status = -EOPNOTSUPP; */
dev_warn(&intf->dev, "no %s for driver %s?\n",
"resume", driver->name);
}
}
done:
- dev_vdbg(&intf->dev, "%s: status %d\n", __FUNCTION__, status);
+ dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);
if (status == 0)
mark_active(intf);
* is disabled. Also fail if any interfaces require remote wakeup
* but it isn't available.
*/
- udev->do_remote_wakeup = device_may_wakeup(&udev->dev);
if (udev->pm_usage_cnt > 0)
return -EBUSY;
if (udev->autosuspend_delay < 0 || udev->autosuspend_disabled)
}
done:
- dev_vdbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status);
+ dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);
return status;
}
* so if a root hub's controller is suspended
* then we're stuck. */
status = usb_resume_device(udev);
- }
+ }
} else {
- /* Needed for setting udev->dev.power.power_state.event,
- * for possible debugging message, and for reset_resume. */
+ /* Needed for reset-resume */
status = usb_resume_device(udev);
}
}
done:
- dev_vdbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status);
- udev->reset_resume = 0;
+ dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);
+ if (!status)
+ udev->reset_resume = 0;
return status;
}
status = usb_autopm_do_device(udev, -1);
dev_vdbg(&udev->dev, "%s: cnt %d\n",
- __FUNCTION__, udev->pm_usage_cnt);
+ __func__, udev->pm_usage_cnt);
}
/**
{
usb_autopm_do_device(udev, 0);
dev_vdbg(&udev->dev, "%s: cnt %d\n",
- __FUNCTION__, udev->pm_usage_cnt);
+ __func__, udev->pm_usage_cnt);
}
/**
status = usb_autopm_do_device(udev, 1);
dev_vdbg(&udev->dev, "%s: status %d cnt %d\n",
- __FUNCTION__, status, udev->pm_usage_cnt);
+ __func__, status, udev->pm_usage_cnt);
return status;
}
status = usb_autopm_do_interface(intf, -1);
dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
- __FUNCTION__, status, intf->pm_usage_cnt);
+ __func__, status, intf->pm_usage_cnt);
}
EXPORT_SYMBOL_GPL(usb_autopm_put_interface);
status = usb_autopm_do_interface(intf, 1);
dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
- __FUNCTION__, status, intf->pm_usage_cnt);
+ __func__, status, intf->pm_usage_cnt);
return status;
}
EXPORT_SYMBOL_GPL(usb_autopm_get_interface);
status = usb_autopm_do_interface(intf, 0);
dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
- __FUNCTION__, status, intf->pm_usage_cnt);
+ __func__, status, intf->pm_usage_cnt);
return status;
}
EXPORT_SYMBOL_GPL(usb_autopm_set_interface);
udev = to_usb_device(dev);
/* If udev is already suspended, we can skip this suspend and
- * we should also skip the upcoming system resume. */
+ * we should also skip the upcoming system resume. High-speed
+ * root hubs are an exception; they need to resume whenever the
+ * system wakes up in order for USB-PERSIST port handover to work
+ * properly.
+ */
if (udev->state == USB_STATE_SUSPENDED) {
- udev->skip_sys_resume = 1;
+ if (udev->parent || udev->speed != USB_SPEED_HIGH)
+ udev->skip_sys_resume = 1;
return 0;
}