Messages in this thread Patch in this message | | | Subject | patch usb-another-ehci_iaa_watchdog-fix.patch added to gregkh-2.6 tree | From | <> | Date | Wed, 02 Apr 2008 13:51:29 -0700 |
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This is a note to let you know that I've just added the patch titled
Subject: USB: another ehci_iaa_watchdog fix
to my gregkh-2.6 tree. Its filename is
usb-another-ehci_iaa_watchdog-fix.patch
This tree can be found at http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/
From david-b@pacbell.net Wed Apr 2 13:49:39 2008 From: David Brownell <david-b@pacbell.net> Date: Wed, 2 Apr 2008 13:40:20 -0700 Subject: USB: another ehci_iaa_watchdog fix To: Greg KH <greg@kroah.com> Cc: Andrew Morton <akpm@linux-foundation.org>, linux-usb@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>, Mark Lord <lkml@rtr.ca> Message-ID: <200804021340.21348.david-b@pacbell.net> Content-Disposition: inline
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>
--- drivers/usb/host/ehci-hub.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -126,8 +126,6 @@ static int ehci_bus_suspend (struct usb_ 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 @@ -171,6 +169,9 @@ static int ehci_bus_suspend (struct usb_ 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))
Patches currently in gregkh-2.6 which might be from david-b@pacbell.net are
usb/usb-ehci-minor-cleanups.patch usb/usb-defines-for-usb-link-power-management-ecn.patch usb/usb-ehci-minor-soc-bus-glue-fixes.patch usb/usb-ehci-refactor-if-state-hc_state_halt.patch usb/usb-ehci-tolerates-some-buggy-devices.patch usb/usb-ohci-port-reset-paranoia-timeout.patch usb/usb-ehci-paranoia-reject-large-control-transfers.patch usb/usb-g_printer-bugfixes.patch usb/usb-ehci-remove-obsolete-workaround-for-bogus-irqs.patch usb/usb-minor-ehci-xitd-simplifications.patch usb/usb-remove-dev-power.power_state.patch usb/usb-partial-usb-embedded-host-support.patch usb/usb-fix-bug-in-sg-initialization-in-usbtest.patch usb/usb-another-ehci_iaa_watchdog-fix.patch usb/usb-remove-experimental-tags-from-some-usb-gadget-kconfig-entries.patch usb/usb-gadget-dummy_hcd.c-fix-nested-switch-statements.patch usb/usb-ohci-fix-2-timers-to-fire-at-jiffies-1s.patch driver-core/pm-handle-device-registrations-during-suspend-resume.patch driver-core/driver-core-call-device_pm_add-after-bus_add_device-in-device_add.patch
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