Lines Matching full:ehci
3 * Enhanced Host Controller Interface (EHCI) driver for USB.
44 * EHCI hc_driver implementation ... experimental, incomplete.
58 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
98 #include "ehci.h"
111 static unsigned ehci_moschip_read_frame_index(struct ehci_hcd *ehci) in ehci_moschip_read_frame_index() argument
115 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
117 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
121 static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci) in ehci_read_frame_index() argument
123 if (ehci->frame_index_bug) in ehci_read_frame_index()
124 return ehci_moschip_read_frame_index(ehci); in ehci_read_frame_index()
125 return ehci_readl(ehci, &ehci->regs->frame_index); in ehci_read_frame_index()
128 #include "ehci-dbg.c"
149 int ehci_handshake(struct ehci_hcd *ehci, void __iomem *ptr, in ehci_handshake() argument
155 result = ehci_readl(ehci, ptr); in ehci_handshake()
169 static int tdi_in_host_mode (struct ehci_hcd *ehci) in tdi_in_host_mode() argument
173 tmp = ehci_readl(ehci, &ehci->regs->usbmode); in tdi_in_host_mode()
178 * Force HC to halt state from unknown (EHCI spec section 2.3).
181 static int ehci_halt (struct ehci_hcd *ehci) in ehci_halt() argument
185 spin_lock_irq(&ehci->lock); in ehci_halt()
188 ehci_writel(ehci, 0, &ehci->regs->intr_enable); in ehci_halt()
190 if (ehci_is_TDI(ehci) && !tdi_in_host_mode(ehci)) { in ehci_halt()
191 spin_unlock_irq(&ehci->lock); in ehci_halt()
196 * This routine gets called during probe before ehci->command in ehci_halt()
199 ehci->command &= ~CMD_RUN; in ehci_halt()
200 temp = ehci_readl(ehci, &ehci->regs->command); in ehci_halt()
202 ehci_writel(ehci, temp, &ehci->regs->command); in ehci_halt()
204 spin_unlock_irq(&ehci->lock); in ehci_halt()
205 synchronize_irq(ehci_to_hcd(ehci)->irq); in ehci_halt()
207 return ehci_handshake(ehci, &ehci->regs->status, in ehci_halt()
211 /* put TDI/ARC silicon into EHCI mode */
212 static void tdi_reset (struct ehci_hcd *ehci) in tdi_reset() argument
216 tmp = ehci_readl(ehci, &ehci->regs->usbmode); in tdi_reset()
222 if (ehci_big_endian_mmio(ehci)) in tdi_reset()
224 ehci_writel(ehci, tmp, &ehci->regs->usbmode); in tdi_reset()
231 int ehci_reset(struct ehci_hcd *ehci) in ehci_reset() argument
234 u32 command = ehci_readl(ehci, &ehci->regs->command); in ehci_reset()
236 /* If the EHCI debug controller is active, special care must be in ehci_reset()
238 if (ehci->debug && !dbgp_reset_prep(ehci_to_hcd(ehci))) in ehci_reset()
239 ehci->debug = NULL; in ehci_reset()
242 dbg_cmd (ehci, "reset", command); in ehci_reset()
243 ehci_writel(ehci, command, &ehci->regs->command); in ehci_reset()
244 ehci->rh_state = EHCI_RH_HALTED; in ehci_reset()
245 ehci->next_statechange = jiffies; in ehci_reset()
246 retval = ehci_handshake(ehci, &ehci->regs->command, in ehci_reset()
249 if (ehci->has_hostpc) { in ehci_reset()
250 ehci_writel(ehci, USBMODE_EX_HC | USBMODE_EX_VBPS, in ehci_reset()
251 &ehci->regs->usbmode_ex); in ehci_reset()
252 ehci_writel(ehci, TXFIFO_DEFAULT, &ehci->regs->txfill_tuning); in ehci_reset()
257 if (ehci_is_TDI(ehci)) in ehci_reset()
258 tdi_reset (ehci); in ehci_reset()
260 if (ehci->debug) in ehci_reset()
261 dbgp_external_startup(ehci_to_hcd(ehci)); in ehci_reset()
263 ehci->port_c_suspend = ehci->suspended_ports = in ehci_reset()
264 ehci->resuming_ports = 0; in ehci_reset()
273 static void ehci_quiesce (struct ehci_hcd *ehci) in ehci_quiesce() argument
277 if (ehci->rh_state != EHCI_RH_RUNNING) in ehci_quiesce()
281 temp = (ehci->command << 10) & (STS_ASS | STS_PSS); in ehci_quiesce()
282 ehci_handshake(ehci, &ehci->regs->status, STS_ASS | STS_PSS, temp, in ehci_quiesce()
286 spin_lock_irq(&ehci->lock); in ehci_quiesce()
287 ehci->command &= ~(CMD_ASE | CMD_PSE); in ehci_quiesce()
288 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_quiesce()
289 spin_unlock_irq(&ehci->lock); in ehci_quiesce()
292 ehci_handshake(ehci, &ehci->regs->status, STS_ASS | STS_PSS, 0, in ehci_quiesce()
298 static void end_iaa_cycle(struct ehci_hcd *ehci);
299 static void end_unlink_async(struct ehci_hcd *ehci);
300 static void unlink_empty_async(struct ehci_hcd *ehci);
301 static void ehci_work(struct ehci_hcd *ehci);
302 static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
303 static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
304 static int ehci_port_power(struct ehci_hcd *ehci, int portnum, bool enable);
306 #include "ehci-timer.c"
307 #include "ehci-hub.c"
308 #include "ehci-mem.c"
309 #include "ehci-q.c"
310 #include "ehci-sched.c"
311 #include "ehci-sysfs.c"
319 static void ehci_turn_off_all_ports(struct ehci_hcd *ehci) in ehci_turn_off_all_ports() argument
321 int port = HCS_N_PORTS(ehci->hcs_params); in ehci_turn_off_all_ports()
324 spin_unlock_irq(&ehci->lock); in ehci_turn_off_all_ports()
325 ehci_port_power(ehci, port, false); in ehci_turn_off_all_ports()
326 spin_lock_irq(&ehci->lock); in ehci_turn_off_all_ports()
327 ehci_writel(ehci, PORT_RWC_BITS, in ehci_turn_off_all_ports()
328 &ehci->regs->port_status[port]); in ehci_turn_off_all_ports()
336 static void ehci_silence_controller(struct ehci_hcd *ehci) in ehci_silence_controller() argument
338 ehci_halt(ehci); in ehci_silence_controller()
340 spin_lock_irq(&ehci->lock); in ehci_silence_controller()
341 ehci->rh_state = EHCI_RH_HALTED; in ehci_silence_controller()
342 ehci_turn_off_all_ports(ehci); in ehci_silence_controller()
345 ehci_writel(ehci, 0, &ehci->regs->configured_flag); in ehci_silence_controller()
348 ehci_readl(ehci, &ehci->regs->configured_flag); in ehci_silence_controller()
349 spin_unlock_irq(&ehci->lock); in ehci_silence_controller()
358 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_shutdown() local
366 if (!ehci->sbrn) in ehci_shutdown()
369 spin_lock_irq(&ehci->lock); in ehci_shutdown()
370 ehci->shutdown = true; in ehci_shutdown()
371 ehci->rh_state = EHCI_RH_STOPPING; in ehci_shutdown()
372 ehci->enabled_hrtimer_events = 0; in ehci_shutdown()
373 spin_unlock_irq(&ehci->lock); in ehci_shutdown()
375 ehci_silence_controller(ehci); in ehci_shutdown()
377 hrtimer_cancel(&ehci->hrtimer); in ehci_shutdown()
384 * it calls driver completion functions, after dropping ehci->lock.
386 static void ehci_work (struct ehci_hcd *ehci) in ehci_work() argument
388 /* another CPU may drop ehci->lock during a schedule scan while in ehci_work()
392 if (ehci->scanning) { in ehci_work()
393 ehci->need_rescan = true; in ehci_work()
396 ehci->scanning = true; in ehci_work()
399 ehci->need_rescan = false; in ehci_work()
400 if (ehci->async_count) in ehci_work()
401 scan_async(ehci); in ehci_work()
402 if (ehci->intr_count > 0) in ehci_work()
403 scan_intr(ehci); in ehci_work()
404 if (ehci->isoc_count > 0) in ehci_work()
405 scan_isoc(ehci); in ehci_work()
406 if (ehci->need_rescan) in ehci_work()
408 ehci->scanning = false; in ehci_work()
414 turn_on_io_watchdog(ehci); in ehci_work()
422 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_stop() local
424 ehci_dbg (ehci, "stop\n"); in ehci_stop()
428 spin_lock_irq(&ehci->lock); in ehci_stop()
429 ehci->enabled_hrtimer_events = 0; in ehci_stop()
430 spin_unlock_irq(&ehci->lock); in ehci_stop()
432 ehci_quiesce(ehci); in ehci_stop()
433 ehci_silence_controller(ehci); in ehci_stop()
434 ehci_reset (ehci); in ehci_stop()
436 hrtimer_cancel(&ehci->hrtimer); in ehci_stop()
437 remove_sysfs_files(ehci); in ehci_stop()
438 remove_debug_files (ehci); in ehci_stop()
441 spin_lock_irq (&ehci->lock); in ehci_stop()
442 end_free_itds(ehci); in ehci_stop()
443 spin_unlock_irq (&ehci->lock); in ehci_stop()
444 ehci_mem_cleanup (ehci); in ehci_stop()
446 if (ehci->amd_pll_fix == 1) in ehci_stop()
449 dbg_status (ehci, "ehci_stop completed", in ehci_stop()
450 ehci_readl(ehci, &ehci->regs->status)); in ehci_stop()
456 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_init() local
462 spin_lock_init(&ehci->lock); in ehci_init()
467 ehci->need_io_watchdog = 1; in ehci_init()
469 hrtimer_init(&ehci->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); in ehci_init()
470 ehci->hrtimer.function = ehci_hrtimer_func; in ehci_init()
471 ehci->next_hrtimer_event = EHCI_HRTIMER_NO_EVENT; in ehci_init()
473 hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); in ehci_init()
479 ehci->uframe_periodic_max = 100; in ehci_init()
485 ehci->periodic_size = DEFAULT_I_TDPS; in ehci_init()
486 INIT_LIST_HEAD(&ehci->async_unlink); in ehci_init()
487 INIT_LIST_HEAD(&ehci->async_idle); in ehci_init()
488 INIT_LIST_HEAD(&ehci->intr_unlink_wait); in ehci_init()
489 INIT_LIST_HEAD(&ehci->intr_unlink); in ehci_init()
490 INIT_LIST_HEAD(&ehci->intr_qh_list); in ehci_init()
491 INIT_LIST_HEAD(&ehci->cached_itd_list); in ehci_init()
492 INIT_LIST_HEAD(&ehci->cached_sitd_list); in ehci_init()
493 INIT_LIST_HEAD(&ehci->tt_list); in ehci_init()
498 case 0: ehci->periodic_size = 1024; break; in ehci_init()
499 case 1: ehci->periodic_size = 512; break; in ehci_init()
500 case 2: ehci->periodic_size = 256; break; in ehci_init()
504 if ((retval = ehci_mem_init(ehci, GFP_KERNEL)) < 0) in ehci_init()
509 ehci->i_thresh = 0; in ehci_init()
511 ehci->i_thresh = 2 + HCC_ISOC_THRES(hcc_params); in ehci_init()
520 ehci->async->qh_next.qh = NULL; in ehci_init()
521 hw = ehci->async->hw; in ehci_init()
522 hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma); in ehci_init()
523 hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD); in ehci_init()
525 hw->hw_info1 |= cpu_to_hc32(ehci, QH_INACTIVATE); in ehci_init()
527 hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); in ehci_init()
528 hw->hw_qtd_next = EHCI_LIST_END(ehci); in ehci_init()
529 ehci->async->qh_state = QH_STATE_LINKED; in ehci_init()
530 hw->hw_alt_next = QTD_NEXT(ehci, ehci->async->dummy->qtd_dma); in ehci_init()
537 ehci->has_ppcd = 1; in ehci_init()
538 ehci_dbg(ehci, "enable per-port change event\n"); in ehci_init()
554 ehci_dbg(ehci, "park %d\n", park); in ehci_init()
561 ehci->command = temp; in ehci_init()
568 ehci->old_current = ~0; in ehci_init()
575 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_run() local
582 /* EHCI spec section 4.1 */ in ehci_run()
584 ehci_writel(ehci, ehci->periodic_dma, &ehci->regs->frame_list); in ehci_run()
585 ehci_writel(ehci, (u32)ehci->async->qh_dma, &ehci->regs->async_next); in ehci_run()
588 * hcc_params controls whether ehci->regs->segment must (!!!) in ehci_run()
599 hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); in ehci_run()
601 ehci_writel(ehci, 0, &ehci->regs->segment); in ehci_run()
605 ehci_info(ehci, "enabled 64bit DMA\n"); in ehci_run()
612 ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET); in ehci_run()
613 ehci->command |= CMD_RUN; in ehci_run()
614 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_run()
615 dbg_cmd (ehci, "init", ehci->command); in ehci_run()
624 * from the companions to the EHCI controller. If any of the in ehci_run()
632 ehci->rh_state = EHCI_RH_RUNNING; in ehci_run()
633 ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); in ehci_run()
636 ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ in ehci_run()
638 rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT, 0, 100 * 1000); in ehci_run()
643 ehci_err(ehci, "USB %x.%x, controller refused to start: %d\n", in ehci_run()
644 ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), rc); in ehci_run()
648 ehci->last_periodic_enable = ktime_get_real(); in ehci_run()
650 temp = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); in ehci_run()
651 ehci_info (ehci, in ehci_run()
652 "USB %x.%x started, EHCI %x.%02x%s\n", in ehci_run()
653 ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), in ehci_run()
655 (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : ""); in ehci_run()
657 ehci_writel(ehci, INTR_MASK, in ehci_run()
658 &ehci->regs->intr_enable); /* Turn On Interrupts */ in ehci_run()
664 create_debug_files(ehci); in ehci_run()
665 create_sysfs_files(ehci); in ehci_run()
672 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_setup() local
675 ehci->regs = (void __iomem *)ehci->caps + in ehci_setup()
676 HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); in ehci_setup()
677 dbg_hcs_params(ehci, "reset"); in ehci_setup()
678 dbg_hcc_params(ehci, "reset"); in ehci_setup()
681 ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); in ehci_setup()
683 ehci->sbrn = HCD_USB2; in ehci_setup()
690 retval = ehci_halt(ehci); in ehci_setup()
692 ehci_mem_cleanup(ehci); in ehci_setup()
696 ehci_reset(ehci); in ehci_setup()
706 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_irq() local
711 spin_lock(&ehci->lock); in ehci_irq()
714 current_status = ehci_readl(ehci, &ehci->regs->status); in ehci_irq()
719 ehci_dbg (ehci, "device removed\n"); in ehci_irq()
731 if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { in ehci_irq()
732 spin_unlock(&ehci->lock); in ehci_irq()
737 ehci_writel(ehci, masked_status, &ehci->regs->status); in ehci_irq()
740 current_status = ehci_readl(ehci, &ehci->regs->status); in ehci_irq()
744 cmd = ehci_readl(ehci, &ehci->regs->command); in ehci_irq()
750 INCR(ehci->stats.normal); in ehci_irq()
752 INCR(ehci->stats.error); in ehci_irq()
760 ehci->enabled_hrtimer_events &= ~BIT(EHCI_HRTIMER_IAA_WATCHDOG); in ehci_irq()
769 if (ehci->next_hrtimer_event == EHCI_HRTIMER_IAA_WATCHDOG) in ehci_irq()
770 ++ehci->next_hrtimer_event; in ehci_irq()
774 ehci_dbg(ehci, "IAA with IAAD still set?\n"); in ehci_irq()
775 if (ehci->iaa_in_progress) in ehci_irq()
776 INCR(ehci->stats.iaa); in ehci_irq()
777 end_iaa_cycle(ehci); in ehci_irq()
782 unsigned i = HCS_N_PORTS (ehci->hcs_params); in ehci_irq()
789 if (ehci->rh_state == EHCI_RH_SUSPENDED) in ehci_irq()
793 if (ehci->has_ppcd) in ehci_irq()
802 pstatus = ehci_readl(ehci, in ehci_irq()
803 &ehci->regs->port_status[i]); in ehci_irq()
807 if (!(test_bit(i, &ehci->suspended_ports) && in ehci_irq()
811 ehci->reset_done[i] == 0)) in ehci_irq()
818 ehci->reset_done[i] = jiffies + in ehci_irq()
820 set_bit(i, &ehci->resuming_ports); in ehci_irq()
821 ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); in ehci_irq()
823 mod_timer(&hcd->rh_timer, ehci->reset_done[i]); in ehci_irq()
829 ehci_err(ehci, "fatal error\n"); in ehci_irq()
830 dbg_cmd(ehci, "fatal", cmd); in ehci_irq()
831 dbg_status(ehci, "fatal", status); in ehci_irq()
836 ehci->shutdown = true; in ehci_irq()
837 ehci->rh_state = EHCI_RH_STOPPING; in ehci_irq()
838 ehci->command &= ~(CMD_RUN | CMD_ASE | CMD_PSE); in ehci_irq()
839 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_irq()
840 ehci_writel(ehci, 0, &ehci->regs->intr_enable); in ehci_irq()
841 ehci_handle_controller_death(ehci); in ehci_irq()
848 ehci_work (ehci); in ehci_irq()
849 spin_unlock(&ehci->lock); in ehci_irq()
874 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_urb_enqueue() local
889 if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags)) in ehci_urb_enqueue()
891 return submit_async(ehci, urb, &qtd_list, mem_flags); in ehci_urb_enqueue()
894 if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags)) in ehci_urb_enqueue()
896 return intr_submit(ehci, urb, &qtd_list, mem_flags); in ehci_urb_enqueue()
900 return itd_submit (ehci, urb, mem_flags); in ehci_urb_enqueue()
902 return sitd_submit (ehci, urb, mem_flags); in ehci_urb_enqueue()
912 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_urb_dequeue() local
917 spin_lock_irqsave (&ehci->lock, flags); in ehci_urb_dequeue()
934 start_unlink_intr(ehci, qh); in ehci_urb_dequeue()
936 start_unlink_async(ehci, qh); in ehci_urb_dequeue()
947 qh_completions(ehci, qh); in ehci_urb_dequeue()
952 spin_unlock_irqrestore (&ehci->lock, flags); in ehci_urb_dequeue()
963 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_endpoint_disable() local
971 spin_lock_irqsave (&ehci->lock, flags); in ehci_endpoint_disable()
986 reserve_release_iso_bandwidth(ehci, stream, -1); in ehci_endpoint_disable()
999 start_unlink_async(ehci, qh); in ehci_endpoint_disable()
1001 start_unlink_intr(ehci, qh); in ehci_endpoint_disable()
1007 spin_unlock_irqrestore (&ehci->lock, flags); in ehci_endpoint_disable()
1015 reserve_release_intr_bandwidth(ehci, qh, -1); in ehci_endpoint_disable()
1016 qh_destroy(ehci, qh); in ehci_endpoint_disable()
1024 ehci_err (ehci, "qh %p (#%02x) state %d%s\n", in ehci_endpoint_disable()
1031 spin_unlock_irqrestore (&ehci->lock, flags); in ehci_endpoint_disable()
1037 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_endpoint_reset() local
1047 spin_lock_irqsave(&ehci->lock, flags); in ehci_endpoint_reset()
1066 start_unlink_async(ehci, qh); in ehci_endpoint_reset()
1068 start_unlink_intr(ehci, qh); in ehci_endpoint_reset()
1071 spin_unlock_irqrestore(&ehci->lock, flags); in ehci_endpoint_reset()
1076 struct ehci_hcd *ehci = hcd_to_ehci (hcd); in ehci_get_frame() local
1077 return (ehci_read_frame_index(ehci) >> 3) % ehci->periodic_size; in ehci_get_frame()
1086 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_remove_device() local
1088 spin_lock_irq(&ehci->lock); in ehci_remove_device()
1090 spin_unlock_irq(&ehci->lock); in ehci_remove_device()
1103 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_suspend() local
1105 if (time_before(jiffies, ehci->next_statechange)) in ehci_suspend()
1113 ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup); in ehci_suspend()
1115 spin_lock_irq(&ehci->lock); in ehci_suspend()
1116 ehci_writel(ehci, 0, &ehci->regs->intr_enable); in ehci_suspend()
1117 (void) ehci_readl(ehci, &ehci->regs->intr_enable); in ehci_suspend()
1120 spin_unlock_irq(&ehci->lock); in ehci_suspend()
1137 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_resume() local
1139 if (time_before(jiffies, ehci->next_statechange)) in ehci_resume()
1145 if (ehci->shutdown) in ehci_resume()
1153 if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF && in ehci_resume()
1157 ehci_prepare_ports_for_controller_resume(ehci); in ehci_resume()
1159 spin_lock_irq(&ehci->lock); in ehci_resume()
1160 if (ehci->shutdown) in ehci_resume()
1165 ehci_writel(ehci, mask, &ehci->regs->intr_enable); in ehci_resume()
1166 ehci_readl(ehci, &ehci->regs->intr_enable); in ehci_resume()
1168 spin_unlock_irq(&ehci->lock); in ehci_resume()
1177 (void) ehci_halt(ehci); in ehci_resume()
1178 (void) ehci_reset(ehci); in ehci_resume()
1180 spin_lock_irq(&ehci->lock); in ehci_resume()
1181 if (ehci->shutdown) in ehci_resume()
1184 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_resume()
1185 ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); in ehci_resume()
1186 ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ in ehci_resume()
1188 ehci->rh_state = EHCI_RH_SUSPENDED; in ehci_resume()
1189 spin_unlock_irq(&ehci->lock); in ehci_resume()
1206 .product_desc = "EHCI Host Controller",
1281 #include "ehci-sh.c"
1285 #include "ehci-ps3.c"
1289 #include "ehci-ppc-of.c"
1293 #include "ehci-xilinx-of.c"
1297 #include "ehci-grlib.c"
1335 ehci_debug_root = debugfs_create_dir("ehci", usb_debug_root); in ehci_hcd_init()