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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-18 09:31:04 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-18 09:31:04 -0800
commit6596afe3f3b17b44c5fcc1a8c1102e0fe28a17eb (patch)
treeee42b5053ffd3df4f6d9c2fe461c2b3cc015df1c /drivers/usb/host/xhci.c
parent78a61ab79ae6bd75593b63fbaf5299c96bac0ea4 (diff)
parent7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff)
Merge 3.8-rc4 into char-misc-next
This brings in all of the mei and other fixes that are needed to continue development in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5c72c431bab..f1f01a834ba 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -884,6 +884,11 @@ int xhci_suspend(struct xhci_hcd *xhci)
xhci->shared_hcd->state != HC_STATE_SUSPENDED)
return -EINVAL;
+ /* Don't poll the roothubs on bus suspend. */
+ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ del_timer_sync(&hcd->rh_timer);
+
spin_lock_irq(&xhci->lock);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
@@ -1069,6 +1074,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
compliance_mode_recovery_timer_init(xhci);
+ /* Re-enable port polling. */
+ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ usb_hcd_poll_rh_status(hcd);
+
return retval;
}
#endif /* CONFIG_PM */