diff options
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
-rw-r--r-- | drivers/usb/host/xhci-hub.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index cddcdccadbf7..1e96d1f1fe6b 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c | |||
@@ -463,11 +463,12 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, | |||
463 | && (temp & PORT_POWER)) | 463 | && (temp & PORT_POWER)) |
464 | status |= USB_PORT_STAT_SUSPEND; | 464 | status |= USB_PORT_STAT_SUSPEND; |
465 | } | 465 | } |
466 | if ((temp & PORT_PLS_MASK) == XDEV_RESUME) { | 466 | if ((temp & PORT_PLS_MASK) == XDEV_RESUME && |
467 | !DEV_SUPERSPEED(temp)) { | ||
467 | if ((temp & PORT_RESET) || !(temp & PORT_PE)) | 468 | if ((temp & PORT_RESET) || !(temp & PORT_PE)) |
468 | goto error; | 469 | goto error; |
469 | if (!DEV_SUPERSPEED(temp) && time_after_eq(jiffies, | 470 | if (time_after_eq(jiffies, |
470 | bus_state->resume_done[wIndex])) { | 471 | bus_state->resume_done[wIndex])) { |
471 | xhci_dbg(xhci, "Resume USB2 port %d\n", | 472 | xhci_dbg(xhci, "Resume USB2 port %d\n", |
472 | wIndex + 1); | 473 | wIndex + 1); |
473 | bus_state->resume_done[wIndex] = 0; | 474 | bus_state->resume_done[wIndex] = 0; |
@@ -487,6 +488,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, | |||
487 | xhci_ring_device(xhci, slot_id); | 488 | xhci_ring_device(xhci, slot_id); |
488 | bus_state->port_c_suspend |= 1 << wIndex; | 489 | bus_state->port_c_suspend |= 1 << wIndex; |
489 | bus_state->suspended_ports &= ~(1 << wIndex); | 490 | bus_state->suspended_ports &= ~(1 << wIndex); |
491 | } else { | ||
492 | /* | ||
493 | * The resume has been signaling for less than | ||
494 | * 20ms. Report the port status as SUSPEND, | ||
495 | * let the usbcore check port status again | ||
496 | * and clear resume signaling later. | ||
497 | */ | ||
498 | status |= USB_PORT_STAT_SUSPEND; | ||
490 | } | 499 | } |
491 | } | 500 | } |
492 | if ((temp & PORT_PLS_MASK) == XDEV_U0 | 501 | if ((temp & PORT_PLS_MASK) == XDEV_U0 |