On Thu, 2012-04-12 at 22:49 +0600, Andrey Rahmatullin wrote: > On Thu, Apr 12, 2012 at 12:09:00PM -0400, Alan Stern wrote: > > > > Here's a diagnostic patch that will give us a little more information. > > > > Keep the previous change (so that pci_prepare_to_sleep gets called > > > > whether ehci-hcd is bound or not) and let's see what it says. Try > > > > doing it both with and without ehci-hcd bound. Running this with "echo > > > > devices >/sys/power/pm_test" ought to be good enough. > > > I don't see that line with ehci_hcd both bound and unbound and both in > > > 'devices' test and in a real S3. > > > > You mean the new dev_info message did not appear at all? Is > > pci_prepare_to_sleep getting called properly? Or does the routine exit > > early because target_state is equal to PCI_POWER_ERROR? > Either dev_info is silenced on my system or pci_pm_suspend_noirq is not > called during the 'devices' pm test. > Did you undo the original change that removed the call to pci_prepare_to_sleep()? -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
