diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:08 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:08 +0900 |
| commit | f5a18f932e051ff0f19dcd80a421a4dd9b11f10f (patch) | |
| tree | 9189ffc9fa735e5297ed8c3678a9463e8dbb1561 /drivers/usb/host/xhci-hub.c | |
| parent | b9a3acf46afdafc601947136f63e9dd228cd86e8 (diff) | |
| parent | 9e79e3e9dd9672b37ac9412e9a926714306551fe (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 0be788cc2fd..1e96d1f1fe6 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, && (temp & PORT_POWER)) status |= USB_PORT_STAT_SUSPEND; } - if ((temp & PORT_PLS_MASK) == XDEV_RESUME) { + if ((temp & PORT_PLS_MASK) == XDEV_RESUME && + !DEV_SUPERSPEED(temp)) { if ((temp & PORT_RESET) || !(temp & PORT_PE)) goto error; - if (!DEV_SUPERSPEED(temp) && time_after_eq(jiffies, - bus_state->resume_done[wIndex])) { + if (time_after_eq(jiffies, + bus_state->resume_done[wIndex])) { xhci_dbg(xhci, "Resume USB2 port %d\n", wIndex + 1); bus_state->resume_done[wIndex] = 0; @@ -487,6 +488,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, xhci_ring_device(xhci, slot_id); bus_state->port_c_suspend |= 1 << wIndex; bus_state->suspended_ports &= ~(1 << wIndex); + } else { + /* + * The resume has been signaling for less than + * 20ms. Report the port status as SUSPEND, + * let the usbcore check port status again + * and clear resume signaling later. + */ + status |= USB_PORT_STAT_SUSPEND; } } if ((temp & PORT_PLS_MASK) == XDEV_U0 @@ -664,7 +673,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, xhci_dbg(xhci, "PORTSC %04x\n", temp); if (temp & PORT_RESET) goto error; - if (temp & XDEV_U3) { + if ((temp & PORT_PLS_MASK) == XDEV_U3) { if ((temp & PORT_PE) == 0) goto error; |