Lines Matching refs:hcd
416 rh_string(int id, struct usb_hcd const *hcd, u8 *data, unsigned len) in rh_string() argument
433 s = hcd->self.bus_name; in rh_string()
437 s = hcd->product_desc; in rh_string()
442 init_utsname()->release, hcd->driver->description); in rh_string()
455 static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) in rh_call_control() argument
471 status = usb_hcd_link_urb_to_ep(hcd, urb); in rh_call_control()
475 urb->hcpriv = hcd; /* Indicate it's queued */ in rh_call_control()
522 tbuf[0] = (device_may_wakeup(&hcd->self.root_hub->dev) in rh_call_control()
530 device_set_wakeup_enable(&hcd->self.root_hub->dev, 0); in rh_call_control()
535 if (device_can_wakeup(&hcd->self.root_hub->dev) in rh_call_control()
537 device_set_wakeup_enable(&hcd->self.root_hub->dev, 1); in rh_call_control()
550 switch (hcd->speed) { in rh_call_control()
568 if (hcd->has_tt) in rh_call_control()
572 switch (hcd->speed) { in rh_call_control()
590 if (device_can_wakeup(&hcd->self.root_hub->dev)) in rh_call_control()
596 hcd, ubuf, wLength); in rh_call_control()
614 dev_dbg (hcd->self.controller, "root hub device address %d\n", in rh_call_control()
630 dev_dbg (hcd->self.controller, "no endpoint features yet\n"); in rh_call_control()
656 status = hcd->driver->hub_control (hcd, in rh_call_control()
661 usb_hub_adjust_deviceremovable(hcd->self.root_hub, in rh_call_control()
672 dev_dbg (hcd->self.controller, in rh_call_control()
710 usb_hcd_unlink_urb_from_ep(hcd, urb); in rh_call_control()
711 usb_hcd_giveback_urb(hcd, urb, status); in rh_call_control()
725 void usb_hcd_poll_rh_status(struct usb_hcd *hcd) in usb_hcd_poll_rh_status() argument
733 if (unlikely(!hcd->rh_pollable)) in usb_hcd_poll_rh_status()
735 if (!hcd->uses_new_polling && !hcd->status_urb) in usb_hcd_poll_rh_status()
738 length = hcd->driver->hub_status_data(hcd, buffer); in usb_hcd_poll_rh_status()
743 urb = hcd->status_urb; in usb_hcd_poll_rh_status()
745 clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); in usb_hcd_poll_rh_status()
746 hcd->status_urb = NULL; in usb_hcd_poll_rh_status()
756 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_hcd_poll_rh_status()
757 usb_hcd_giveback_urb(hcd, urb, status); in usb_hcd_poll_rh_status()
760 set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); in usb_hcd_poll_rh_status()
769 if (hcd->uses_new_polling ? HCD_POLL_RH(hcd) : in usb_hcd_poll_rh_status()
770 (length == 0 && hcd->status_urb != NULL)) in usb_hcd_poll_rh_status()
771 mod_timer (&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); in usb_hcd_poll_rh_status()
785 static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb) in rh_queue_status() argument
792 if (hcd->status_urb || urb->transfer_buffer_length < len) { in rh_queue_status()
793 dev_dbg (hcd->self.controller, "not queuing rh status urb\n"); in rh_queue_status()
798 retval = usb_hcd_link_urb_to_ep(hcd, urb); in rh_queue_status()
802 hcd->status_urb = urb; in rh_queue_status()
803 urb->hcpriv = hcd; /* indicate it's queued */ in rh_queue_status()
804 if (!hcd->uses_new_polling) in rh_queue_status()
805 mod_timer(&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); in rh_queue_status()
808 else if (HCD_POLL_PENDING(hcd)) in rh_queue_status()
809 mod_timer(&hcd->rh_timer, jiffies); in rh_queue_status()
816 static int rh_urb_enqueue (struct usb_hcd *hcd, struct urb *urb) in rh_urb_enqueue() argument
819 return rh_queue_status (hcd, urb); in rh_urb_enqueue()
821 return rh_call_control (hcd, urb); in rh_urb_enqueue()
830 static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) in usb_rh_urb_dequeue() argument
836 rc = usb_hcd_check_unlink_urb(hcd, urb, status); in usb_rh_urb_dequeue()
844 if (!hcd->uses_new_polling) in usb_rh_urb_dequeue()
845 timer_delete(&hcd->rh_timer); in usb_rh_urb_dequeue()
846 if (urb == hcd->status_urb) { in usb_rh_urb_dequeue()
847 hcd->status_urb = NULL; in usb_rh_urb_dequeue()
848 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_rh_urb_dequeue()
849 usb_hcd_giveback_urb(hcd, urb, status); in usb_rh_urb_dequeue()
955 static int register_root_hub(struct usb_hcd *hcd) in register_root_hub() argument
957 struct device *parent_dev = hcd->self.controller; in register_root_hub()
958 struct usb_device *usb_dev = hcd->self.root_hub; in register_root_hub()
1000 hcd->rh_registered = 1; in register_root_hub()
1004 if (HCD_DEAD(hcd)) in register_root_hub()
1005 usb_hc_died (hcd); /* This time clean up */ in register_root_hub()
1130 int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_link_urb_to_ep() argument
1156 if (HCD_RH_RUNNING(hcd)) { in usb_hcd_link_urb_to_ep()
1188 int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_check_unlink_urb() argument
1221 void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unlink_urb_from_ep() argument
1309 void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_setup_for_dma() argument
1313 dma_unmap_single(hcd->self.sysdev, in usb_hcd_unmap_urb_setup_for_dma()
1329 static void unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in unmap_urb_for_dma() argument
1331 if (hcd->driver->unmap_urb_for_dma) in unmap_urb_for_dma()
1332 hcd->driver->unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1334 usb_hcd_unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1337 void usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_for_dma() argument
1341 usb_hcd_unmap_urb_setup_for_dma(hcd, urb); in usb_hcd_unmap_urb_for_dma()
1346 dma_unmap_sg(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1352 dma_unmap_page(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1358 dma_unmap_single(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1369 dma_sync_sgtable_for_cpu(hcd->self.sysdev, urb->sgt, dir); in usb_hcd_unmap_urb_for_dma()
1381 static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in map_urb_for_dma() argument
1384 if (hcd->driver->map_urb_for_dma) in map_urb_for_dma()
1385 return hcd->driver->map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1387 return usb_hcd_map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1390 int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_map_urb_for_dma() argument
1403 if (hcd->self.uses_pio_for_control) in usb_hcd_map_urb_for_dma()
1405 if (hcd->localmem_pool) { in usb_hcd_map_urb_for_dma()
1415 } else if (hcd_uses_dma(hcd)) { in usb_hcd_map_urb_for_dma()
1422 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1426 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1441 dma_sync_sgtable_for_device(hcd->self.sysdev, urb->sgt, dir); in usb_hcd_map_urb_for_dma()
1443 if (hcd->localmem_pool) { in usb_hcd_map_urb_for_dma()
1452 } else if (hcd_uses_dma(hcd)) { in usb_hcd_map_urb_for_dma()
1463 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1478 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1483 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1493 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1497 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1506 usb_hcd_unmap_urb_for_dma(hcd, urb); in usb_hcd_map_urb_for_dma()
1522 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_submit_urb() local
1531 usbmon_urb_submit(&hcd->self, urb); in usb_hcd_submit_urb()
1542 status = rh_urb_enqueue(hcd, urb); in usb_hcd_submit_urb()
1544 status = map_urb_for_dma(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1546 status = hcd->driver->urb_enqueue(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1548 unmap_urb_for_dma(hcd, urb); in usb_hcd_submit_urb()
1553 usbmon_urb_submit_error(&hcd->self, urb, status); in usb_hcd_submit_urb()
1579 static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status) in unlink1() argument
1584 value = usb_rh_urb_dequeue(hcd, urb, status); in unlink1()
1590 value = hcd->driver->urb_dequeue(hcd, urb, status); in unlink1()
1603 struct usb_hcd *hcd; in usb_hcd_unlink_urb() local
1620 hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_unlink_urb()
1621 retval = unlink1(hcd, urb, status); in usb_hcd_unlink_urb()
1636 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in __usb_hcd_giveback_urb() local
1647 unmap_urb_for_dma(hcd, urb); in __usb_hcd_giveback_urb()
1648 usbmon_urb_complete(&hcd->self, urb, status); in __usb_hcd_giveback_urb()
1737 void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status) in usb_hcd_giveback_urb() argument
1746 if (!hcd_giveback_urb_in_bh(hcd) && !is_root_hub(urb->dev)) { in usb_hcd_giveback_urb()
1752 bh = &hcd->high_prio_bh; in usb_hcd_giveback_urb()
1754 bh = &hcd->low_prio_bh; in usb_hcd_giveback_urb()
1779 struct usb_hcd *hcd; in usb_hcd_flush_endpoint() local
1785 hcd = bus_to_hcd(udev->bus); in usb_hcd_flush_endpoint()
1800 unlink1(hcd, urb, -ESHUTDOWN); in usb_hcd_flush_endpoint()
1801 dev_dbg (hcd->self.controller, in usb_hcd_flush_endpoint()
1863 struct usb_hcd *hcd; in usb_hcd_alloc_bandwidth() local
1866 hcd = bus_to_hcd(udev->bus); in usb_hcd_alloc_bandwidth()
1867 if (!hcd->driver->check_bandwidth) in usb_hcd_alloc_bandwidth()
1875 hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1878 hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1880 hcd->driver->check_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
1896 ret = hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1902 ret = hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1920 ret = hcd->driver->add_endpoint(hcd, udev, &alt->endpoint[j]); in usb_hcd_alloc_bandwidth()
1949 ret = hcd->driver->drop_endpoint(hcd, udev, in usb_hcd_alloc_bandwidth()
1956 ret = hcd->driver->add_endpoint(hcd, udev, in usb_hcd_alloc_bandwidth()
1962 ret = hcd->driver->check_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
1965 hcd->driver->reset_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
1980 struct usb_hcd *hcd; in usb_hcd_disable_endpoint() local
1983 hcd = bus_to_hcd(udev->bus); in usb_hcd_disable_endpoint()
1984 if (hcd->driver->endpoint_disable) in usb_hcd_disable_endpoint()
1985 hcd->driver->endpoint_disable(hcd, ep); in usb_hcd_disable_endpoint()
1999 struct usb_hcd *hcd = bus_to_hcd(udev->bus); in usb_hcd_reset_endpoint() local
2001 if (hcd->driver->endpoint_reset) in usb_hcd_reset_endpoint()
2002 hcd->driver->endpoint_reset(hcd, ep); in usb_hcd_reset_endpoint()
2033 struct usb_hcd *hcd; in usb_alloc_streams() local
2038 hcd = bus_to_hcd(dev->bus); in usb_alloc_streams()
2039 if (!hcd->driver->alloc_streams || !hcd->driver->free_streams) in usb_alloc_streams()
2055 ret = hcd->driver->alloc_streams(hcd, dev, eps, num_eps, in usb_alloc_streams()
2083 struct usb_hcd *hcd; in usb_free_streams() local
2088 hcd = bus_to_hcd(dev->bus); in usb_free_streams()
2097 ret = hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags); in usb_free_streams()
2124 struct usb_hcd *hcd = bus_to_hcd(udev->bus); in usb_hcd_get_frame_number() local
2126 if (!HCD_RH_RUNNING(hcd)) in usb_hcd_get_frame_number()
2128 return hcd->driver->get_frame_number (hcd); in usb_hcd_get_frame_number()
2153 struct usb_hcd *hcd = bus_to_hcd(udev->bus); in request_single_step_set_feature_urb() local
2173 if (map_urb_for_dma(hcd, urb, GFP_KERNEL)) { in request_single_step_set_feature_urb()
2183 int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) in ehset_single_step_set_feature() argument
2193 udev = usb_hub_find_child(hcd->self.root_hub, port); in ehset_single_step_set_feature()
2195 dev_err(hcd->self.controller, "No device attached to the RootHub\n"); in ehset_single_step_set_feature()
2219 retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 1); in ehset_single_step_set_feature()
2225 dev_err(hcd->self.controller, in ehset_single_step_set_feature()
2236 retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 0); in ehset_single_step_set_feature()
2241 dev_err(hcd->self.controller, in ehset_single_step_set_feature()
2260 struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); in hcd_bus_suspend() local
2262 int old_state = hcd->state; in hcd_bus_suspend()
2267 if (HCD_DEAD(hcd)) { in hcd_bus_suspend()
2272 if (!hcd->driver->bus_suspend) { in hcd_bus_suspend()
2275 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_suspend()
2276 hcd->state = HC_STATE_QUIESCING; in hcd_bus_suspend()
2277 status = hcd->driver->bus_suspend(hcd); in hcd_bus_suspend()
2281 hcd->state = HC_STATE_SUSPENDED; in hcd_bus_suspend()
2284 usb_phy_roothub_suspend(hcd->self.sysdev, in hcd_bus_suspend()
2285 hcd->phy_roothub); in hcd_bus_suspend()
2291 status = hcd->driver->hub_status_data(hcd, buffer); in hcd_bus_suspend()
2300 if (!HCD_DEAD(hcd)) { in hcd_bus_suspend()
2301 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_suspend()
2302 hcd->state = old_state; in hcd_bus_suspend()
2313 struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); in hcd_bus_resume() local
2315 int old_state = hcd->state; in hcd_bus_resume()
2319 if (HCD_DEAD(hcd)) { in hcd_bus_resume()
2325 status = usb_phy_roothub_resume(hcd->self.sysdev, in hcd_bus_resume()
2326 hcd->phy_roothub); in hcd_bus_resume()
2331 if (!hcd->driver->bus_resume) in hcd_bus_resume()
2333 if (HCD_RH_RUNNING(hcd)) in hcd_bus_resume()
2336 hcd->state = HC_STATE_RESUMING; in hcd_bus_resume()
2337 status = hcd->driver->bus_resume(hcd); in hcd_bus_resume()
2338 clear_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); in hcd_bus_resume()
2340 status = usb_phy_roothub_calibrate(hcd->phy_roothub); in hcd_bus_resume()
2347 if (!HCD_DEAD(hcd)) { in hcd_bus_resume()
2351 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_resume()
2352 hcd->state = HC_STATE_RUNNING; in hcd_bus_resume()
2370 hcd->state = old_state; in hcd_bus_resume()
2371 usb_phy_roothub_suspend(hcd->self.sysdev, hcd->phy_roothub); in hcd_bus_resume()
2375 usb_hc_died(hcd); in hcd_bus_resume()
2383 struct usb_hcd *hcd = container_of(work, struct usb_hcd, wakeup_work); in hcd_resume_work() local
2384 struct usb_device *udev = hcd->self.root_hub; in hcd_resume_work()
2398 void usb_hcd_resume_root_hub (struct usb_hcd *hcd) in usb_hcd_resume_root_hub() argument
2403 if (hcd->rh_registered) { in usb_hcd_resume_root_hub()
2404 pm_wakeup_event(&hcd->self.root_hub->dev, 0); in usb_hcd_resume_root_hub()
2405 set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); in usb_hcd_resume_root_hub()
2406 queue_work(pm_wq, &hcd->wakeup_work); in usb_hcd_resume_root_hub()
2433 struct usb_hcd *hcd; in usb_bus_start_enum() local
2440 hcd = bus_to_hcd(bus); in usb_bus_start_enum()
2441 if (port_num && hcd->driver->start_port_reset) in usb_bus_start_enum()
2442 status = hcd->driver->start_port_reset(hcd, port_num); in usb_bus_start_enum()
2448 mod_timer(&hcd->rh_timer, jiffies + msecs_to_jiffies(10)); in usb_bus_start_enum()
2469 struct usb_hcd *hcd = __hcd; in usb_hcd_irq() local
2472 if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) in usb_hcd_irq()
2474 else if (hcd->driver->irq(hcd) == IRQ_NONE) in usb_hcd_irq()
2488 struct usb_hcd *hcd = container_of(work, struct usb_hcd, died_work); in hcd_died_work() local
2495 kobject_uevent_env(&hcd->self.root_hub->dev.kobj, KOBJ_OFFLINE, env); in hcd_died_work()
2508 void usb_hc_died (struct usb_hcd *hcd) in usb_hc_died() argument
2512 dev_err (hcd->self.controller, "HC died; cleaning up\n"); in usb_hc_died()
2515 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_hc_died()
2516 set_bit(HCD_FLAG_DEAD, &hcd->flags); in usb_hc_died()
2517 if (hcd->rh_registered) { in usb_hc_died()
2518 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_hc_died()
2521 usb_set_device_state (hcd->self.root_hub, in usb_hc_died()
2523 usb_kick_hub_wq(hcd->self.root_hub); in usb_hc_died()
2525 if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) { in usb_hc_died()
2526 hcd = hcd->shared_hcd; in usb_hc_died()
2527 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_hc_died()
2528 set_bit(HCD_FLAG_DEAD, &hcd->flags); in usb_hc_died()
2529 if (hcd->rh_registered) { in usb_hc_died()
2530 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_hc_died()
2533 usb_set_device_state(hcd->self.root_hub, in usb_hc_died()
2535 usb_kick_hub_wq(hcd->self.root_hub); in usb_hc_died()
2540 if (usb_hcd_is_primary_hcd(hcd)) in usb_hc_died()
2541 schedule_work(&hcd->died_work); in usb_hc_died()
2543 schedule_work(&hcd->primary_hcd->died_work); in usb_hc_died()
2564 struct usb_hcd *hcd; in __usb_create_hcd() local
2566 hcd = kzalloc(sizeof(*hcd) + driver->hcd_priv_size, GFP_KERNEL); in __usb_create_hcd()
2567 if (!hcd) in __usb_create_hcd()
2570 hcd->address0_mutex = kmalloc(sizeof(*hcd->address0_mutex), in __usb_create_hcd()
2572 if (!hcd->address0_mutex) { in __usb_create_hcd()
2573 kfree(hcd); in __usb_create_hcd()
2577 mutex_init(hcd->address0_mutex); in __usb_create_hcd()
2578 hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex), in __usb_create_hcd()
2580 if (!hcd->bandwidth_mutex) { in __usb_create_hcd()
2581 kfree(hcd->address0_mutex); in __usb_create_hcd()
2582 kfree(hcd); in __usb_create_hcd()
2586 mutex_init(hcd->bandwidth_mutex); in __usb_create_hcd()
2587 dev_set_drvdata(dev, hcd); in __usb_create_hcd()
2590 hcd->address0_mutex = primary_hcd->address0_mutex; in __usb_create_hcd()
2591 hcd->bandwidth_mutex = primary_hcd->bandwidth_mutex; in __usb_create_hcd()
2592 hcd->primary_hcd = primary_hcd; in __usb_create_hcd()
2594 hcd->shared_hcd = primary_hcd; in __usb_create_hcd()
2595 primary_hcd->shared_hcd = hcd; in __usb_create_hcd()
2599 kref_init(&hcd->kref); in __usb_create_hcd()
2601 usb_bus_init(&hcd->self); in __usb_create_hcd()
2602 hcd->self.controller = dev; in __usb_create_hcd()
2603 hcd->self.sysdev = sysdev; in __usb_create_hcd()
2604 hcd->self.bus_name = bus_name; in __usb_create_hcd()
2606 timer_setup(&hcd->rh_timer, rh_timer_func, 0); in __usb_create_hcd()
2608 INIT_WORK(&hcd->wakeup_work, hcd_resume_work); in __usb_create_hcd()
2611 INIT_WORK(&hcd->died_work, hcd_died_work); in __usb_create_hcd()
2613 hcd->driver = driver; in __usb_create_hcd()
2614 hcd->speed = driver->flags & HCD_MASK; in __usb_create_hcd()
2615 hcd->product_desc = (driver->product_desc) ? driver->product_desc : in __usb_create_hcd()
2617 return hcd; in __usb_create_hcd()
2679 struct usb_hcd *hcd = container_of (kref, struct usb_hcd, kref); in hcd_release() local
2682 if (hcd->shared_hcd) { in hcd_release()
2683 struct usb_hcd *peer = hcd->shared_hcd; in hcd_release()
2688 kfree(hcd->address0_mutex); in hcd_release()
2689 kfree(hcd->bandwidth_mutex); in hcd_release()
2692 kfree(hcd); in hcd_release()
2695 struct usb_hcd *usb_get_hcd (struct usb_hcd *hcd) in usb_get_hcd() argument
2697 if (hcd) in usb_get_hcd()
2698 kref_get (&hcd->kref); in usb_get_hcd()
2699 return hcd; in usb_get_hcd()
2703 void usb_put_hcd (struct usb_hcd *hcd) in usb_put_hcd() argument
2705 if (hcd) in usb_put_hcd()
2706 kref_put (&hcd->kref, hcd_release); in usb_put_hcd()
2710 int usb_hcd_is_primary_hcd(struct usb_hcd *hcd) in usb_hcd_is_primary_hcd() argument
2712 if (!hcd->primary_hcd) in usb_hcd_is_primary_hcd()
2714 return hcd == hcd->primary_hcd; in usb_hcd_is_primary_hcd()
2718 int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1) in usb_hcd_find_raw_port_number() argument
2720 if (!hcd->driver->find_raw_port_number) in usb_hcd_find_raw_port_number()
2723 return hcd->driver->find_raw_port_number(hcd, port1); in usb_hcd_find_raw_port_number()
2726 static int usb_hcd_request_irqs(struct usb_hcd *hcd, in usb_hcd_request_irqs() argument
2731 if (hcd->driver->irq) { in usb_hcd_request_irqs()
2733 snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", in usb_hcd_request_irqs()
2734 hcd->driver->description, hcd->self.busnum); in usb_hcd_request_irqs()
2736 hcd->irq_descr, hcd); in usb_hcd_request_irqs()
2738 dev_err(hcd->self.controller, in usb_hcd_request_irqs()
2743 hcd->irq = irqnum; in usb_hcd_request_irqs()
2744 dev_info(hcd->self.controller, "irq %d, %s 0x%08llx\n", irqnum, in usb_hcd_request_irqs()
2745 (hcd->driver->flags & HCD_MEMORY) ? in usb_hcd_request_irqs()
2747 (unsigned long long)hcd->rsrc_start); in usb_hcd_request_irqs()
2749 hcd->irq = 0; in usb_hcd_request_irqs()
2750 if (hcd->rsrc_start) in usb_hcd_request_irqs()
2751 dev_info(hcd->self.controller, "%s 0x%08llx\n", in usb_hcd_request_irqs()
2752 (hcd->driver->flags & HCD_MEMORY) ? in usb_hcd_request_irqs()
2754 (unsigned long long)hcd->rsrc_start); in usb_hcd_request_irqs()
2763 static void usb_put_invalidate_rhdev(struct usb_hcd *hcd) in usb_put_invalidate_rhdev() argument
2768 rhdev = hcd->self.root_hub; in usb_put_invalidate_rhdev()
2769 hcd->self.root_hub = NULL; in usb_put_invalidate_rhdev()
2780 static void usb_stop_hcd(struct usb_hcd *hcd) in usb_stop_hcd() argument
2782 hcd->rh_pollable = 0; in usb_stop_hcd()
2783 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_stop_hcd()
2784 timer_delete_sync(&hcd->rh_timer); in usb_stop_hcd()
2786 hcd->driver->stop(hcd); in usb_stop_hcd()
2787 hcd->state = HC_STATE_HALT; in usb_stop_hcd()
2790 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_stop_hcd()
2791 timer_delete_sync(&hcd->rh_timer); in usb_stop_hcd()
2804 int usb_add_hcd(struct usb_hcd *hcd, in usb_add_hcd() argument
2812 if (usb_hcd_is_primary_hcd(hcd)) in usb_add_hcd()
2813 skip_phy_initialization = hcd->skip_phy_initialization; in usb_add_hcd()
2815 skip_phy_initialization = hcd->primary_hcd->skip_phy_initialization; in usb_add_hcd()
2818 if (usb_hcd_is_primary_hcd(hcd)) { in usb_add_hcd()
2819 hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev); in usb_add_hcd()
2820 if (IS_ERR(hcd->phy_roothub)) in usb_add_hcd()
2821 return PTR_ERR(hcd->phy_roothub); in usb_add_hcd()
2823 hcd->phy_roothub = usb_phy_roothub_alloc_usb3_phy(hcd->self.sysdev); in usb_add_hcd()
2824 if (IS_ERR(hcd->phy_roothub)) in usb_add_hcd()
2825 return PTR_ERR(hcd->phy_roothub); in usb_add_hcd()
2828 retval = usb_phy_roothub_init(hcd->phy_roothub); in usb_add_hcd()
2832 retval = usb_phy_roothub_set_mode(hcd->phy_roothub, in usb_add_hcd()
2835 retval = usb_phy_roothub_set_mode(hcd->phy_roothub, in usb_add_hcd()
2840 retval = usb_phy_roothub_power_on(hcd->phy_roothub); in usb_add_hcd()
2845 dev_info(hcd->self.controller, "%s\n", hcd->product_desc); in usb_add_hcd()
2849 hcd->dev_policy = USB_DEVICE_AUTHORIZE_NONE; in usb_add_hcd()
2853 hcd->dev_policy = USB_DEVICE_AUTHORIZE_INTERNAL; in usb_add_hcd()
2859 hcd->dev_policy = USB_DEVICE_AUTHORIZE_ALL; in usb_add_hcd()
2863 set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); in usb_add_hcd()
2866 set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2872 retval = hcd_buffer_create(hcd); in usb_add_hcd()
2874 dev_dbg(hcd->self.sysdev, "pool alloc failed\n"); in usb_add_hcd()
2878 retval = usb_register_bus(&hcd->self); in usb_add_hcd()
2882 rhdev = usb_alloc_dev(NULL, &hcd->self, 0); in usb_add_hcd()
2884 dev_err(hcd->self.sysdev, "unable to allocate root hub\n"); in usb_add_hcd()
2889 hcd->self.root_hub = rhdev; in usb_add_hcd()
2896 switch (hcd->speed) { in usb_add_hcd()
2931 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_add_hcd()
2936 if (hcd->driver->reset) { in usb_add_hcd()
2937 retval = hcd->driver->reset(hcd); in usb_add_hcd()
2939 dev_err(hcd->self.controller, "can't setup: %d\n", in usb_add_hcd()
2944 hcd->rh_pollable = 1; in usb_add_hcd()
2946 retval = usb_phy_roothub_calibrate(hcd->phy_roothub); in usb_add_hcd()
2951 if (device_can_wakeup(hcd->self.controller) in usb_add_hcd()
2952 && device_can_wakeup(&hcd->self.root_hub->dev)) in usb_add_hcd()
2953 dev_dbg(hcd->self.controller, "supports USB remote wakeup\n"); in usb_add_hcd()
2956 init_giveback_urb_bh(&hcd->high_prio_bh); in usb_add_hcd()
2957 hcd->high_prio_bh.high_prio = true; in usb_add_hcd()
2958 init_giveback_urb_bh(&hcd->low_prio_bh); in usb_add_hcd()
2963 if (usb_hcd_is_primary_hcd(hcd) && irqnum) { in usb_add_hcd()
2964 retval = usb_hcd_request_irqs(hcd, irqnum, irqflags); in usb_add_hcd()
2969 hcd->state = HC_STATE_RUNNING; in usb_add_hcd()
2970 retval = hcd->driver->start(hcd); in usb_add_hcd()
2972 dev_err(hcd->self.controller, "startup error %d\n", retval); in usb_add_hcd()
2977 shared_hcd = hcd->shared_hcd; in usb_add_hcd()
2978 if (!usb_hcd_is_primary_hcd(hcd) && shared_hcd && HCD_DEFER_RH_REGISTER(shared_hcd)) { in usb_add_hcd()
2988 if (!HCD_DEFER_RH_REGISTER(hcd)) { in usb_add_hcd()
2989 retval = register_root_hub(hcd); in usb_add_hcd()
2993 if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) in usb_add_hcd()
2994 usb_hcd_poll_rh_status(hcd); in usb_add_hcd()
3000 usb_stop_hcd(hcd); in usb_add_hcd()
3002 if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0) in usb_add_hcd()
3003 free_irq(irqnum, hcd); in usb_add_hcd()
3007 usb_put_invalidate_rhdev(hcd); in usb_add_hcd()
3009 usb_deregister_bus(&hcd->self); in usb_add_hcd()
3011 hcd_buffer_destroy(hcd); in usb_add_hcd()
3013 usb_phy_roothub_power_off(hcd->phy_roothub); in usb_add_hcd()
3015 usb_phy_roothub_exit(hcd->phy_roothub); in usb_add_hcd()
3030 void usb_remove_hcd(struct usb_hcd *hcd) in usb_remove_hcd() argument
3035 if (!hcd) { in usb_remove_hcd()
3039 rhdev = hcd->self.root_hub; in usb_remove_hcd()
3041 dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); in usb_remove_hcd()
3044 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_remove_hcd()
3045 if (HC_IS_RUNNING (hcd->state)) in usb_remove_hcd()
3046 hcd->state = HC_STATE_QUIESCING; in usb_remove_hcd()
3048 dev_dbg(hcd->self.controller, "roothub graceful disconnect\n"); in usb_remove_hcd()
3050 rh_registered = hcd->rh_registered; in usb_remove_hcd()
3051 hcd->rh_registered = 0; in usb_remove_hcd()
3055 cancel_work_sync(&hcd->wakeup_work); in usb_remove_hcd()
3057 cancel_work_sync(&hcd->died_work); in usb_remove_hcd()
3079 usb_stop_hcd(hcd); in usb_remove_hcd()
3081 if (usb_hcd_is_primary_hcd(hcd)) { in usb_remove_hcd()
3082 if (hcd->irq > 0) in usb_remove_hcd()
3083 free_irq(hcd->irq, hcd); in usb_remove_hcd()
3086 usb_deregister_bus(&hcd->self); in usb_remove_hcd()
3087 hcd_buffer_destroy(hcd); in usb_remove_hcd()
3089 usb_phy_roothub_power_off(hcd->phy_roothub); in usb_remove_hcd()
3090 usb_phy_roothub_exit(hcd->phy_roothub); in usb_remove_hcd()
3092 usb_put_invalidate_rhdev(hcd); in usb_remove_hcd()
3093 hcd->flags = 0; in usb_remove_hcd()
3100 struct usb_hcd *hcd = platform_get_drvdata(dev); in usb_hcd_platform_shutdown() local
3105 if (hcd->driver->shutdown) in usb_hcd_platform_shutdown()
3106 hcd->driver->shutdown(hcd); in usb_hcd_platform_shutdown()
3110 int usb_hcd_setup_local_mem(struct usb_hcd *hcd, phys_addr_t phys_addr, in usb_hcd_setup_local_mem() argument
3116 hcd->localmem_pool = devm_gen_pool_create(hcd->self.sysdev, 4, in usb_hcd_setup_local_mem()
3117 dev_to_node(hcd->self.sysdev), in usb_hcd_setup_local_mem()
3118 dev_name(hcd->self.sysdev)); in usb_hcd_setup_local_mem()
3119 if (IS_ERR(hcd->localmem_pool)) in usb_hcd_setup_local_mem()
3120 return PTR_ERR(hcd->localmem_pool); in usb_hcd_setup_local_mem()
3127 local_mem = devm_memremap(hcd->self.sysdev, phys_addr, in usb_hcd_setup_local_mem()
3130 local_mem = dmam_alloc_attrs(hcd->self.sysdev, size, &dma, in usb_hcd_setup_local_mem()
3146 err = gen_pool_add_virt(hcd->localmem_pool, (unsigned long)local_mem, in usb_hcd_setup_local_mem()
3147 dma, size, dev_to_node(hcd->self.sysdev)); in usb_hcd_setup_local_mem()
3149 dev_err(hcd->self.sysdev, "gen_pool_add_virt failed with %d\n", in usb_hcd_setup_local_mem()