diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index b84fb141e12..11cee55ae39 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2060,6 +2060,8 @@ int usb_alloc_streams(struct usb_interface *interface, return -EINVAL; if (dev->speed != USB_SPEED_SUPER) return -EINVAL; + if (dev->state < USB_STATE_CONFIGURED) + return -ENODEV; for (i = 0; i < num_eps; i++) { /* Streams only apply to bulk endpoints. */ @@ -2256,10 +2258,6 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) return status; } -#endif /* CONFIG_PM */ - -#ifdef CONFIG_PM_RUNTIME - /* Workqueue routine for root-hub remote wakeup */ static void hcd_resume_work(struct work_struct *work) { @@ -2291,7 +2289,7 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(usb_hcd_resume_root_hub); -#endif /* CONFIG_PM_RUNTIME */ +#endif /* CONFIG_PM */ /*-------------------------------------------------------------------------*/ @@ -2474,7 +2472,7 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver, init_timer(&hcd->rh_timer); hcd->rh_timer.function = rh_timer_func; hcd->rh_timer.data = (unsigned long) hcd; -#ifdef CONFIG_PM_RUNTIME +#ifdef CONFIG_PM INIT_WORK(&hcd->wakeup_work, hcd_resume_work); #endif @@ -2648,7 +2646,7 @@ int usb_add_hcd(struct usb_hcd *hcd, } } - if (IS_ENABLED(CONFIG_GENERIC_PHY)) { + if (IS_ENABLED(CONFIG_GENERIC_PHY) && !hcd->phy) { struct phy *phy = phy_get(hcd->self.controller, "usb"); if (IS_ERR(phy)) { @@ -2668,6 +2666,7 @@ int usb_add_hcd(struct usb_hcd *hcd, goto err_phy; } hcd->phy = phy; + hcd->remove_phy = 1; } } @@ -2788,7 +2787,7 @@ error_create_attr_group: hcd->rh_registered = 0; spin_unlock_irq(&hcd_root_hub_lock); -#ifdef CONFIG_PM_RUNTIME +#ifdef CONFIG_PM cancel_work_sync(&hcd->wakeup_work); #endif mutex_lock(&usb_bus_list_lock); @@ -2814,7 +2813,7 @@ err_allocate_root_hub: err_register_bus: hcd_buffer_destroy(hcd); err_create_buf: - if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->phy) { + if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->remove_phy && hcd->phy) { phy_power_off(hcd->phy); phy_exit(hcd->phy); phy_put(hcd->phy); @@ -2856,7 +2855,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) hcd->rh_registered = 0; spin_unlock_irq (&hcd_root_hub_lock); -#ifdef CONFIG_PM_RUNTIME +#ifdef CONFIG_PM cancel_work_sync(&hcd->wakeup_work); #endif @@ -2898,7 +2897,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) usb_deregister_bus(&hcd->self); hcd_buffer_destroy(hcd); - if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->phy) { + if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->remove_phy && hcd->phy) { phy_power_off(hcd->phy); phy_exit(hcd->phy); phy_put(hcd->phy); |