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authorRafael J. Wysocki <rjw@sisk.pl>2009-01-20 01:26:56 +0100
committerGreg Kroah-Hartman <gregkh@kvm.kroah.org>2009-01-27 16:15:32 -0800
commita15d95a003fae154121733f049dd25e9c13dbef3 (patch)
tree240642794b6ceb19f733cf93709cf5b223b146e9 /lib/inflate.c
parentbcca06efea883bdf3803a0bb0ffa60f26730387d (diff)
USB: Fix suspend-resume of PCI USB controllers
Commit a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 (USB: fix up suspend and resume for PCI host controllers) attempted to fix the suspend-resume of PCI USB controllers, but unfortunately it did that incorrectly and interrupts are left enabled by the USB controllers' ->suspend_late() callback as a result. This leads to serious problems during suspend which are very difficult to debug. Fix the issue by removing the ->suspend_late() callback of PCI USB controllers and moving the code from there to the ->suspend() callback executed with interrupts enabled. Additionally, make the ->resume() callback of PCI USB controllers execute pci_enable_wake(dev, PCI_D0, false) to disable wake-up from the full power state (PCI_D0). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: Andrey Borzenkov <arvidjaar@mail.ru> Tested-by: "Jeff Chua" <jeff.chua.linux@gmail.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: "Zdenek Kabelac" <zdenek.kabelac@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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