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USB: EHCI: fix up incorrect merge resolution

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This patch (as1671) fixes up an incorrect resolution of a merge
conflict between Greg KH's usb-linus branch and his usb-next branch.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Stern 2013-03-21 12:48:42 -04:00 committed by Greg Kroah-Hartman
parent 29727f3bc2
commit 417c765af9
1 changed files with 9 additions and 0 deletions
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9
drivers/usb/host/ehci-timer.c
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@ -297,6 +297,15 @@ static void ehci_iaa_watchdog(struct ehci_hcd *ehci)
{
u32 cmd, status;
/*
* Lost IAA irqs wedge things badly; seen first with a vt8235.
* So we need this watchdog, but must protect it against both
* (a) SMP races against real IAA firing and retriggering, and
* (b) clean HC shutdown, when IAA watchdog was pending.
*/
if (ehci->rh_state != EHCI_RH_RUNNING)
return;
/* If we get here, IAA is *REALLY* late. It's barely
* conceivable that the system is so busy that CMD_IAAD
* is still legitimately set, so let's be sure it's