diff options
| author | David Brownell <david-b@pacbell.net> | 2008-04-02 13:40:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-04-02 15:06:08 -0700 |
| commit | cdc647a9b75741659bfc6acc44a6b3a646ad53bf (patch) | |
| tree | e5484d020ede1094bc4efd6299b2d14b475c522f | |
| parent | 49115b7cb1483a14c557666b61fe81d3c23780d6 (diff) | |
| download | op-kernel-dev-cdc647a9b75741659bfc6acc44a6b3a646ad53bf.zip op-kernel-dev-cdc647a9b75741659bfc6acc44a6b3a646ad53bf.tar.gz | |
USB: another ehci_iaa_watchdog fix
This patch, suggested by Alan Stern, fixes the hung USB issues
on my notebook from suspend/resume cycles.
It does so by eliminating some confusion about the internal state
machine associated with unlinking from the EHCI async schedule ring,
which caused a recent regression:
http://bugzilla.kernel.org/show_bug.cgi?id=10345
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 40e8240..4e065e5 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -135,8 +135,6 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) hcd->state = HC_STATE_QUIESCING; } ehci->command = ehci_readl(ehci, &ehci->regs->command); - if (ehci->reclaim) - end_unlink_async(ehci); ehci_work(ehci); /* Unlike other USB host controller types, EHCI doesn't have @@ -180,6 +178,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci_halt (ehci); hcd->state = HC_STATE_SUSPENDED; + if (ehci->reclaim) + end_unlink_async(ehci); + /* allow remote wakeup */ mask = INTR_MASK; if (!device_may_wakeup(&hcd->self.root_hub->dev)) |
