Messages in this thread | | | Date | Wed, 16 Feb 2011 09:57:35 -0500 (EST) | From | Alan Stern <> | Subject | Re: [RFC][PATCH 2/2] PM: Make system-wide PM and runtime PM handle subsystems consistently |
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On Wed, 16 Feb 2011, Rafael J. Wysocki wrote:
> Unfortunately, it doesn't work on my Acer Ferrari One. The problem is that > hcd_pci_suspend() fails for the EHCI controller, apparently because the root > hub is not suspended. Do root hubs need both class suspend and bus type > suspend to work at the same time?
No, only the bus type suspend method is needed. Can you provide the dmesg log using a kernel built with CONFIG_USB_DEBUG?
Alan Stern
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