Lines Matching refs:hcd
448 rh_string(int id, struct usb_hcd const *hcd, u8 *data, unsigned len) in rh_string() argument
465 s = hcd->self.bus_name; in rh_string()
469 s = hcd->product_desc; in rh_string()
474 init_utsname()->release, hcd->driver->description); in rh_string()
487 static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) in rh_call_control() argument
503 status = usb_hcd_link_urb_to_ep(hcd, urb); in rh_call_control()
507 urb->hcpriv = hcd; /* Indicate it's queued */ in rh_call_control()
554 tbuf[0] = (device_may_wakeup(&hcd->self.root_hub->dev) in rh_call_control()
562 device_set_wakeup_enable(&hcd->self.root_hub->dev, 0); in rh_call_control()
567 if (device_can_wakeup(&hcd->self.root_hub->dev) in rh_call_control()
569 device_set_wakeup_enable(&hcd->self.root_hub->dev, 1); in rh_call_control()
582 switch (hcd->speed) { in rh_call_control()
602 if (hcd->has_tt) in rh_call_control()
606 switch (hcd->speed) { in rh_call_control()
624 if (device_can_wakeup(&hcd->self.root_hub->dev)) in rh_call_control()
630 hcd, ubuf, wLength); in rh_call_control()
648 dev_dbg (hcd->self.controller, "root hub device address %d\n", in rh_call_control()
664 dev_dbg (hcd->self.controller, "no endpoint features yet\n"); in rh_call_control()
690 status = hcd->driver->hub_control (hcd, in rh_call_control()
695 usb_hub_adjust_deviceremovable(hcd->self.root_hub, in rh_call_control()
706 dev_dbg (hcd->self.controller, in rh_call_control()
744 usb_hcd_unlink_urb_from_ep(hcd, urb); in rh_call_control()
745 usb_hcd_giveback_urb(hcd, urb, status); in rh_call_control()
760 void usb_hcd_poll_rh_status(struct usb_hcd *hcd) in usb_hcd_poll_rh_status() argument
767 if (unlikely(!hcd->rh_pollable)) in usb_hcd_poll_rh_status()
769 if (!hcd->uses_new_polling && !hcd->status_urb) in usb_hcd_poll_rh_status()
772 length = hcd->driver->hub_status_data(hcd, buffer); in usb_hcd_poll_rh_status()
777 urb = hcd->status_urb; in usb_hcd_poll_rh_status()
779 clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); in usb_hcd_poll_rh_status()
780 hcd->status_urb = NULL; in usb_hcd_poll_rh_status()
784 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_hcd_poll_rh_status()
785 usb_hcd_giveback_urb(hcd, urb, 0); in usb_hcd_poll_rh_status()
788 set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); in usb_hcd_poll_rh_status()
797 if (hcd->uses_new_polling ? HCD_POLL_RH(hcd) : in usb_hcd_poll_rh_status()
798 (length == 0 && hcd->status_urb != NULL)) in usb_hcd_poll_rh_status()
799 mod_timer (&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); in usb_hcd_poll_rh_status()
811 static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb) in rh_queue_status() argument
818 if (hcd->status_urb || urb->transfer_buffer_length < len) { in rh_queue_status()
819 dev_dbg (hcd->self.controller, "not queuing rh status urb\n"); in rh_queue_status()
824 retval = usb_hcd_link_urb_to_ep(hcd, urb); in rh_queue_status()
828 hcd->status_urb = urb; in rh_queue_status()
829 urb->hcpriv = hcd; /* indicate it's queued */ in rh_queue_status()
830 if (!hcd->uses_new_polling) in rh_queue_status()
831 mod_timer(&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); in rh_queue_status()
834 else if (HCD_POLL_PENDING(hcd)) in rh_queue_status()
835 mod_timer(&hcd->rh_timer, jiffies); in rh_queue_status()
842 static int rh_urb_enqueue (struct usb_hcd *hcd, struct urb *urb) in rh_urb_enqueue() argument
845 return rh_queue_status (hcd, urb); in rh_urb_enqueue()
847 return rh_call_control (hcd, urb); in rh_urb_enqueue()
856 static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) in usb_rh_urb_dequeue() argument
862 rc = usb_hcd_check_unlink_urb(hcd, urb, status); in usb_rh_urb_dequeue()
870 if (!hcd->uses_new_polling) in usb_rh_urb_dequeue()
871 del_timer (&hcd->rh_timer); in usb_rh_urb_dequeue()
872 if (urb == hcd->status_urb) { in usb_rh_urb_dequeue()
873 hcd->status_urb = NULL; in usb_rh_urb_dequeue()
874 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_rh_urb_dequeue()
875 usb_hcd_giveback_urb(hcd, urb, status); in usb_rh_urb_dequeue()
893 struct usb_hcd *hcd; in authorized_default_show() local
895 hcd = bus_to_hcd(usb_bus); in authorized_default_show()
896 return snprintf(buf, PAGE_SIZE, "%u\n", !!HCD_DEV_AUTHORIZED(hcd)); in authorized_default_show()
907 struct usb_hcd *hcd; in authorized_default_store() local
909 hcd = bus_to_hcd(usb_bus); in authorized_default_store()
913 set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in authorized_default_store()
915 clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in authorized_default_store()
936 struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); in interface_authorized_default_show() local
938 return sprintf(buf, "%u\n", !!HCD_INTF_AUTHORIZED(hcd)); in interface_authorized_default_show()
952 struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); in interface_authorized_default_store() local
960 set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); in interface_authorized_default_store()
962 clear_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); in interface_authorized_default_store()
1077 static int register_root_hub(struct usb_hcd *hcd) in register_root_hub() argument
1079 struct device *parent_dev = hcd->self.controller; in register_root_hub()
1080 struct usb_device *usb_dev = hcd->self.root_hub; in register_root_hub()
1120 hcd->rh_registered = 1; in register_root_hub()
1124 if (HCD_DEAD(hcd)) in register_root_hub()
1125 usb_hc_died (hcd); /* This time clean up */ in register_root_hub()
1250 int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_link_urb_to_ep() argument
1276 if (HCD_RH_RUNNING(hcd)) { in usb_hcd_link_urb_to_ep()
1308 int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_check_unlink_urb() argument
1341 void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unlink_urb_from_ep() argument
1434 void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_setup_for_dma() argument
1438 dma_unmap_single(hcd->self.sysdev, in usb_hcd_unmap_urb_setup_for_dma()
1454 static void unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in unmap_urb_for_dma() argument
1456 if (hcd->driver->unmap_urb_for_dma) in unmap_urb_for_dma()
1457 hcd->driver->unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1459 usb_hcd_unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1462 void usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_for_dma() argument
1466 usb_hcd_unmap_urb_setup_for_dma(hcd, urb); in usb_hcd_unmap_urb_for_dma()
1471 dma_unmap_sg(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1477 dma_unmap_page(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1483 dma_unmap_single(hcd->self.sysdev, in usb_hcd_unmap_urb_for_dma()
1500 static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in map_urb_for_dma() argument
1503 if (hcd->driver->map_urb_for_dma) in map_urb_for_dma()
1504 return hcd->driver->map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1506 return usb_hcd_map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1509 int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_map_urb_for_dma() argument
1522 if (hcd->self.uses_pio_for_control) in usb_hcd_map_urb_for_dma()
1524 if (IS_ENABLED(CONFIG_HAS_DMA) && hcd->self.uses_dma) { in usb_hcd_map_urb_for_dma()
1534 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1538 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1542 } else if (hcd->driver->flags & HCD_LOCAL_MEM) { in usb_hcd_map_urb_for_dma()
1558 if (IS_ENABLED(CONFIG_HAS_DMA) && hcd->self.uses_dma) { in usb_hcd_map_urb_for_dma()
1569 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1584 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1589 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1602 hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1606 if (dma_mapping_error(hcd->self.sysdev, in usb_hcd_map_urb_for_dma()
1612 } else if (hcd->driver->flags & HCD_LOCAL_MEM) { in usb_hcd_map_urb_for_dma()
1624 usb_hcd_unmap_urb_for_dma(hcd, urb); in usb_hcd_map_urb_for_dma()
1640 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_submit_urb() local
1649 usbmon_urb_submit(&hcd->self, urb); in usb_hcd_submit_urb()
1660 status = rh_urb_enqueue(hcd, urb); in usb_hcd_submit_urb()
1662 status = map_urb_for_dma(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1664 status = hcd->driver->urb_enqueue(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1666 unmap_urb_for_dma(hcd, urb); in usb_hcd_submit_urb()
1671 usbmon_urb_submit_error(&hcd->self, urb, status); in usb_hcd_submit_urb()
1690 static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status) in unlink1() argument
1695 value = usb_rh_urb_dequeue(hcd, urb, status); in unlink1()
1701 value = hcd->driver->urb_dequeue(hcd, urb, status); in unlink1()
1714 struct usb_hcd *hcd; in usb_hcd_unlink_urb() local
1731 hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_unlink_urb()
1732 retval = unlink1(hcd, urb, status); in usb_hcd_unlink_urb()
1747 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in __usb_hcd_giveback_urb() local
1758 unmap_urb_for_dma(hcd, urb); in __usb_hcd_giveback_urb()
1759 usbmon_urb_complete(&hcd->self, urb, status); in __usb_hcd_giveback_urb()
1835 void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status) in usb_hcd_giveback_urb() argument
1844 if (!hcd_giveback_urb_in_bh(hcd) && !is_root_hub(urb->dev)) { in usb_hcd_giveback_urb()
1850 bh = &hcd->high_prio_bh; in usb_hcd_giveback_urb()
1853 bh = &hcd->low_prio_bh; in usb_hcd_giveback_urb()
1880 struct usb_hcd *hcd; in usb_hcd_flush_endpoint() local
1886 hcd = bus_to_hcd(udev->bus); in usb_hcd_flush_endpoint()
1901 unlink1(hcd, urb, -ESHUTDOWN); in usb_hcd_flush_endpoint()
1902 dev_dbg (hcd->self.controller, in usb_hcd_flush_endpoint()
1977 struct usb_hcd *hcd; in usb_hcd_alloc_bandwidth() local
1980 hcd = bus_to_hcd(udev->bus); in usb_hcd_alloc_bandwidth()
1981 if (!hcd->driver->check_bandwidth) in usb_hcd_alloc_bandwidth()
1989 hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1992 hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
1994 hcd->driver->check_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
2010 ret = hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
2016 ret = hcd->driver->drop_endpoint(hcd, udev, ep); in usb_hcd_alloc_bandwidth()
2034 ret = hcd->driver->add_endpoint(hcd, udev, &alt->endpoint[j]); in usb_hcd_alloc_bandwidth()
2063 ret = hcd->driver->drop_endpoint(hcd, udev, in usb_hcd_alloc_bandwidth()
2070 ret = hcd->driver->add_endpoint(hcd, udev, in usb_hcd_alloc_bandwidth()
2076 ret = hcd->driver->check_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
2079 hcd->driver->reset_bandwidth(hcd, udev); in usb_hcd_alloc_bandwidth()
2094 struct usb_hcd *hcd; in usb_hcd_disable_endpoint() local
2097 hcd = bus_to_hcd(udev->bus); in usb_hcd_disable_endpoint()
2098 if (hcd->driver->endpoint_disable) in usb_hcd_disable_endpoint()
2099 hcd->driver->endpoint_disable(hcd, ep); in usb_hcd_disable_endpoint()
2113 struct usb_hcd *hcd = bus_to_hcd(udev->bus); in usb_hcd_reset_endpoint() local
2115 if (hcd->driver->endpoint_reset) in usb_hcd_reset_endpoint()
2116 hcd->driver->endpoint_reset(hcd, ep); in usb_hcd_reset_endpoint()
2147 struct usb_hcd *hcd; in usb_alloc_streams() local
2152 hcd = bus_to_hcd(dev->bus); in usb_alloc_streams()
2153 if (!hcd->driver->alloc_streams || !hcd->driver->free_streams) in usb_alloc_streams()
2169 ret = hcd->driver->alloc_streams(hcd, dev, eps, num_eps, in usb_alloc_streams()
2197 struct usb_hcd *hcd; in usb_free_streams() local
2202 hcd = bus_to_hcd(dev->bus); in usb_free_streams()
2211 ret = hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags); in usb_free_streams()
2238 struct usb_hcd *hcd = bus_to_hcd(udev->bus); in usb_hcd_get_frame_number() local
2240 if (!HCD_RH_RUNNING(hcd)) in usb_hcd_get_frame_number()
2242 return hcd->driver->get_frame_number (hcd); in usb_hcd_get_frame_number()
2251 struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); in hcd_bus_suspend() local
2253 int old_state = hcd->state; in hcd_bus_suspend()
2258 if (HCD_DEAD(hcd)) { in hcd_bus_suspend()
2263 if (!hcd->driver->bus_suspend) { in hcd_bus_suspend()
2266 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_suspend()
2267 hcd->state = HC_STATE_QUIESCING; in hcd_bus_suspend()
2268 status = hcd->driver->bus_suspend(hcd); in hcd_bus_suspend()
2272 hcd->state = HC_STATE_SUSPENDED; in hcd_bus_suspend()
2278 status = hcd->driver->hub_status_data(hcd, buffer); in hcd_bus_suspend()
2287 if (!HCD_DEAD(hcd)) { in hcd_bus_suspend()
2288 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_suspend()
2289 hcd->state = old_state; in hcd_bus_suspend()
2300 struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); in hcd_bus_resume() local
2302 int old_state = hcd->state; in hcd_bus_resume()
2306 if (HCD_DEAD(hcd)) { in hcd_bus_resume()
2310 if (!hcd->driver->bus_resume) in hcd_bus_resume()
2312 if (HCD_RH_RUNNING(hcd)) in hcd_bus_resume()
2315 hcd->state = HC_STATE_RESUMING; in hcd_bus_resume()
2316 status = hcd->driver->bus_resume(hcd); in hcd_bus_resume()
2317 clear_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); in hcd_bus_resume()
2323 if (!HCD_DEAD(hcd)) { in hcd_bus_resume()
2327 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in hcd_bus_resume()
2328 hcd->state = HC_STATE_RUNNING; in hcd_bus_resume()
2346 hcd->state = old_state; in hcd_bus_resume()
2350 usb_hc_died(hcd); in hcd_bus_resume()
2358 struct usb_hcd *hcd = container_of(work, struct usb_hcd, wakeup_work); in hcd_resume_work() local
2359 struct usb_device *udev = hcd->self.root_hub; in hcd_resume_work()
2373 void usb_hcd_resume_root_hub (struct usb_hcd *hcd) in usb_hcd_resume_root_hub() argument
2378 if (hcd->rh_registered) { in usb_hcd_resume_root_hub()
2379 pm_wakeup_event(&hcd->self.root_hub->dev, 0); in usb_hcd_resume_root_hub()
2380 set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); in usb_hcd_resume_root_hub()
2381 queue_work(pm_wq, &hcd->wakeup_work); in usb_hcd_resume_root_hub()
2408 struct usb_hcd *hcd; in usb_bus_start_enum() local
2415 hcd = bus_to_hcd(bus); in usb_bus_start_enum()
2416 if (port_num && hcd->driver->start_port_reset) in usb_bus_start_enum()
2417 status = hcd->driver->start_port_reset(hcd, port_num); in usb_bus_start_enum()
2423 mod_timer(&hcd->rh_timer, jiffies + msecs_to_jiffies(10)); in usb_bus_start_enum()
2444 struct usb_hcd *hcd = __hcd; in usb_hcd_irq() local
2447 if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) in usb_hcd_irq()
2449 else if (hcd->driver->irq(hcd) == IRQ_NONE) in usb_hcd_irq()
2470 void usb_hc_died (struct usb_hcd *hcd) in usb_hc_died() argument
2474 dev_err (hcd->self.controller, "HC died; cleaning up\n"); in usb_hc_died()
2477 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_hc_died()
2478 set_bit(HCD_FLAG_DEAD, &hcd->flags); in usb_hc_died()
2479 if (hcd->rh_registered) { in usb_hc_died()
2480 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_hc_died()
2483 usb_set_device_state (hcd->self.root_hub, in usb_hc_died()
2485 usb_kick_hub_wq(hcd->self.root_hub); in usb_hc_died()
2487 if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) { in usb_hc_died()
2488 hcd = hcd->shared_hcd; in usb_hc_died()
2489 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_hc_died()
2490 set_bit(HCD_FLAG_DEAD, &hcd->flags); in usb_hc_died()
2491 if (hcd->rh_registered) { in usb_hc_died()
2492 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_hc_died()
2495 usb_set_device_state(hcd->self.root_hub, in usb_hc_died()
2497 usb_kick_hub_wq(hcd->self.root_hub); in usb_hc_died()
2519 struct usb_hcd *hcd; in __usb_create_hcd() local
2521 hcd = kzalloc(sizeof(*hcd) + driver->hcd_priv_size, GFP_KERNEL); in __usb_create_hcd()
2522 if (!hcd) in __usb_create_hcd()
2525 hcd->address0_mutex = kmalloc(sizeof(*hcd->address0_mutex), in __usb_create_hcd()
2527 if (!hcd->address0_mutex) { in __usb_create_hcd()
2528 kfree(hcd); in __usb_create_hcd()
2532 mutex_init(hcd->address0_mutex); in __usb_create_hcd()
2533 hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex), in __usb_create_hcd()
2535 if (!hcd->bandwidth_mutex) { in __usb_create_hcd()
2536 kfree(hcd->address0_mutex); in __usb_create_hcd()
2537 kfree(hcd); in __usb_create_hcd()
2541 mutex_init(hcd->bandwidth_mutex); in __usb_create_hcd()
2542 dev_set_drvdata(dev, hcd); in __usb_create_hcd()
2545 hcd->address0_mutex = primary_hcd->address0_mutex; in __usb_create_hcd()
2546 hcd->bandwidth_mutex = primary_hcd->bandwidth_mutex; in __usb_create_hcd()
2547 hcd->primary_hcd = primary_hcd; in __usb_create_hcd()
2549 hcd->shared_hcd = primary_hcd; in __usb_create_hcd()
2550 primary_hcd->shared_hcd = hcd; in __usb_create_hcd()
2554 kref_init(&hcd->kref); in __usb_create_hcd()
2556 usb_bus_init(&hcd->self); in __usb_create_hcd()
2557 hcd->self.controller = dev; in __usb_create_hcd()
2558 hcd->self.sysdev = sysdev; in __usb_create_hcd()
2559 hcd->self.bus_name = bus_name; in __usb_create_hcd()
2560 hcd->self.uses_dma = (sysdev->dma_mask != NULL); in __usb_create_hcd()
2562 init_timer(&hcd->rh_timer); in __usb_create_hcd()
2563 hcd->rh_timer.function = rh_timer_func; in __usb_create_hcd()
2564 hcd->rh_timer.data = (unsigned long) hcd; in __usb_create_hcd()
2566 INIT_WORK(&hcd->wakeup_work, hcd_resume_work); in __usb_create_hcd()
2569 hcd->driver = driver; in __usb_create_hcd()
2570 hcd->speed = driver->flags & HCD_MASK; in __usb_create_hcd()
2571 hcd->product_desc = (driver->product_desc) ? driver->product_desc : in __usb_create_hcd()
2573 return hcd; in __usb_create_hcd()
2633 struct usb_hcd *hcd = container_of (kref, struct usb_hcd, kref); in hcd_release() local
2636 if (hcd->shared_hcd) { in hcd_release()
2637 struct usb_hcd *peer = hcd->shared_hcd; in hcd_release()
2642 kfree(hcd->address0_mutex); in hcd_release()
2643 kfree(hcd->bandwidth_mutex); in hcd_release()
2646 kfree(hcd); in hcd_release()
2649 struct usb_hcd *usb_get_hcd (struct usb_hcd *hcd) in usb_get_hcd() argument
2651 if (hcd) in usb_get_hcd()
2652 kref_get (&hcd->kref); in usb_get_hcd()
2653 return hcd; in usb_get_hcd()
2657 void usb_put_hcd (struct usb_hcd *hcd) in usb_put_hcd() argument
2659 if (hcd) in usb_put_hcd()
2660 kref_put (&hcd->kref, hcd_release); in usb_put_hcd()
2664 int usb_hcd_is_primary_hcd(struct usb_hcd *hcd) in usb_hcd_is_primary_hcd() argument
2666 if (!hcd->primary_hcd) in usb_hcd_is_primary_hcd()
2668 return hcd == hcd->primary_hcd; in usb_hcd_is_primary_hcd()
2672 int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1) in usb_hcd_find_raw_port_number() argument
2674 if (!hcd->driver->find_raw_port_number) in usb_hcd_find_raw_port_number()
2677 return hcd->driver->find_raw_port_number(hcd, port1); in usb_hcd_find_raw_port_number()
2680 static int usb_hcd_request_irqs(struct usb_hcd *hcd, in usb_hcd_request_irqs() argument
2685 if (hcd->driver->irq) { in usb_hcd_request_irqs()
2687 snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", in usb_hcd_request_irqs()
2688 hcd->driver->description, hcd->self.busnum); in usb_hcd_request_irqs()
2690 hcd->irq_descr, hcd); in usb_hcd_request_irqs()
2692 dev_err(hcd->self.controller, in usb_hcd_request_irqs()
2697 hcd->irq = irqnum; in usb_hcd_request_irqs()
2698 dev_info(hcd->self.controller, "irq %d, %s 0x%08llx\n", irqnum, in usb_hcd_request_irqs()
2699 (hcd->driver->flags & HCD_MEMORY) ? in usb_hcd_request_irqs()
2701 (unsigned long long)hcd->rsrc_start); in usb_hcd_request_irqs()
2703 hcd->irq = 0; in usb_hcd_request_irqs()
2704 if (hcd->rsrc_start) in usb_hcd_request_irqs()
2705 dev_info(hcd->self.controller, "%s 0x%08llx\n", in usb_hcd_request_irqs()
2706 (hcd->driver->flags & HCD_MEMORY) ? in usb_hcd_request_irqs()
2708 (unsigned long long)hcd->rsrc_start); in usb_hcd_request_irqs()
2717 static void usb_put_invalidate_rhdev(struct usb_hcd *hcd) in usb_put_invalidate_rhdev() argument
2722 rhdev = hcd->self.root_hub; in usb_put_invalidate_rhdev()
2723 hcd->self.root_hub = NULL; in usb_put_invalidate_rhdev()
2738 int usb_add_hcd(struct usb_hcd *hcd, in usb_add_hcd() argument
2744 if (IS_ENABLED(CONFIG_USB_PHY) && !hcd->usb_phy) { in usb_add_hcd()
2745 struct usb_phy *phy = usb_get_phy_dev(hcd->self.sysdev, 0); in usb_add_hcd()
2757 hcd->usb_phy = phy; in usb_add_hcd()
2758 hcd->remove_phy = 1; in usb_add_hcd()
2762 if (IS_ENABLED(CONFIG_GENERIC_PHY) && !hcd->phy) { in usb_add_hcd()
2763 struct phy *phy = phy_get(hcd->self.sysdev, "usb"); in usb_add_hcd()
2781 hcd->phy = phy; in usb_add_hcd()
2782 hcd->remove_phy = 1; in usb_add_hcd()
2786 dev_info(hcd->self.controller, "%s\n", hcd->product_desc); in usb_add_hcd()
2790 if (hcd->wireless) in usb_add_hcd()
2791 clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2793 set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2796 set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2798 clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2800 set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); in usb_add_hcd()
2803 set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); in usb_add_hcd()
2809 retval = hcd_buffer_create(hcd); in usb_add_hcd()
2811 dev_dbg(hcd->self.sysdev, "pool alloc failed\n"); in usb_add_hcd()
2815 retval = usb_register_bus(&hcd->self); in usb_add_hcd()
2819 rhdev = usb_alloc_dev(NULL, &hcd->self, 0); in usb_add_hcd()
2821 dev_err(hcd->self.sysdev, "unable to allocate root hub\n"); in usb_add_hcd()
2826 hcd->self.root_hub = rhdev; in usb_add_hcd()
2829 switch (hcd->speed) { in usb_add_hcd()
2860 set_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_add_hcd()
2865 if (hcd->driver->reset) { in usb_add_hcd()
2866 retval = hcd->driver->reset(hcd); in usb_add_hcd()
2868 dev_err(hcd->self.controller, "can't setup: %d\n", in usb_add_hcd()
2873 hcd->rh_pollable = 1; in usb_add_hcd()
2876 if (device_can_wakeup(hcd->self.controller) in usb_add_hcd()
2877 && device_can_wakeup(&hcd->self.root_hub->dev)) in usb_add_hcd()
2878 dev_dbg(hcd->self.controller, "supports USB remote wakeup\n"); in usb_add_hcd()
2881 init_giveback_urb_bh(&hcd->high_prio_bh); in usb_add_hcd()
2882 init_giveback_urb_bh(&hcd->low_prio_bh); in usb_add_hcd()
2887 if (usb_hcd_is_primary_hcd(hcd) && irqnum) { in usb_add_hcd()
2888 retval = usb_hcd_request_irqs(hcd, irqnum, irqflags); in usb_add_hcd()
2893 hcd->state = HC_STATE_RUNNING; in usb_add_hcd()
2894 retval = hcd->driver->start(hcd); in usb_add_hcd()
2896 dev_err(hcd->self.controller, "startup error %d\n", retval); in usb_add_hcd()
2901 retval = register_root_hub(hcd); in usb_add_hcd()
2911 if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) in usb_add_hcd()
2912 usb_hcd_poll_rh_status(hcd); in usb_add_hcd()
2917 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_add_hcd()
2918 if (HC_IS_RUNNING(hcd->state)) in usb_add_hcd()
2919 hcd->state = HC_STATE_QUIESCING; in usb_add_hcd()
2921 hcd->rh_registered = 0; in usb_add_hcd()
2925 cancel_work_sync(&hcd->wakeup_work); in usb_add_hcd()
2931 hcd->rh_pollable = 0; in usb_add_hcd()
2932 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_add_hcd()
2933 del_timer_sync(&hcd->rh_timer); in usb_add_hcd()
2934 hcd->driver->stop(hcd); in usb_add_hcd()
2935 hcd->state = HC_STATE_HALT; in usb_add_hcd()
2936 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_add_hcd()
2937 del_timer_sync(&hcd->rh_timer); in usb_add_hcd()
2939 if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0) in usb_add_hcd()
2940 free_irq(irqnum, hcd); in usb_add_hcd()
2944 usb_put_invalidate_rhdev(hcd); in usb_add_hcd()
2946 usb_deregister_bus(&hcd->self); in usb_add_hcd()
2948 hcd_buffer_destroy(hcd); in usb_add_hcd()
2950 if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->remove_phy && hcd->phy) { in usb_add_hcd()
2951 phy_power_off(hcd->phy); in usb_add_hcd()
2952 phy_exit(hcd->phy); in usb_add_hcd()
2953 phy_put(hcd->phy); in usb_add_hcd()
2954 hcd->phy = NULL; in usb_add_hcd()
2957 if (hcd->remove_phy && hcd->usb_phy) { in usb_add_hcd()
2958 usb_phy_shutdown(hcd->usb_phy); in usb_add_hcd()
2959 usb_put_phy(hcd->usb_phy); in usb_add_hcd()
2960 hcd->usb_phy = NULL; in usb_add_hcd()
2974 void usb_remove_hcd(struct usb_hcd *hcd) in usb_remove_hcd() argument
2976 struct usb_device *rhdev = hcd->self.root_hub; in usb_remove_hcd()
2978 dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); in usb_remove_hcd()
2983 clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); in usb_remove_hcd()
2984 if (HC_IS_RUNNING (hcd->state)) in usb_remove_hcd()
2985 hcd->state = HC_STATE_QUIESCING; in usb_remove_hcd()
2987 dev_dbg(hcd->self.controller, "roothub graceful disconnect\n"); in usb_remove_hcd()
2989 hcd->rh_registered = 0; in usb_remove_hcd()
2993 cancel_work_sync(&hcd->wakeup_work); in usb_remove_hcd()
3015 hcd->rh_pollable = 0; in usb_remove_hcd()
3016 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_remove_hcd()
3017 del_timer_sync(&hcd->rh_timer); in usb_remove_hcd()
3019 hcd->driver->stop(hcd); in usb_remove_hcd()
3020 hcd->state = HC_STATE_HALT; in usb_remove_hcd()
3023 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in usb_remove_hcd()
3024 del_timer_sync(&hcd->rh_timer); in usb_remove_hcd()
3026 if (usb_hcd_is_primary_hcd(hcd)) { in usb_remove_hcd()
3027 if (hcd->irq > 0) in usb_remove_hcd()
3028 free_irq(hcd->irq, hcd); in usb_remove_hcd()
3031 usb_deregister_bus(&hcd->self); in usb_remove_hcd()
3032 hcd_buffer_destroy(hcd); in usb_remove_hcd()
3034 if (IS_ENABLED(CONFIG_GENERIC_PHY) && hcd->remove_phy && hcd->phy) { in usb_remove_hcd()
3035 phy_power_off(hcd->phy); in usb_remove_hcd()
3036 phy_exit(hcd->phy); in usb_remove_hcd()
3037 phy_put(hcd->phy); in usb_remove_hcd()
3038 hcd->phy = NULL; in usb_remove_hcd()
3040 if (hcd->remove_phy && hcd->usb_phy) { in usb_remove_hcd()
3041 usb_phy_shutdown(hcd->usb_phy); in usb_remove_hcd()
3042 usb_put_phy(hcd->usb_phy); in usb_remove_hcd()
3043 hcd->usb_phy = NULL; in usb_remove_hcd()
3046 usb_put_invalidate_rhdev(hcd); in usb_remove_hcd()
3047 hcd->flags = 0; in usb_remove_hcd()
3054 struct usb_hcd *hcd = platform_get_drvdata(dev); in usb_hcd_platform_shutdown() local
3059 if (hcd->driver->shutdown) in usb_hcd_platform_shutdown()
3060 hcd->driver->shutdown(hcd); in usb_hcd_platform_shutdown()