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    [PATCH] USB: ohci uses driver model wakeup flags · 6a9062f3
    David Brownell 提交于
    This makes OHCI use the driver model wakeup control bits for its root hub
    (e.g. disable on amd756, because of chip erratum) and for the controller
    itself.  It no longer uses the hcd glue bits with those roles, and depends
    on the previous patch making the root hub available earlier.
    
    Note that on most platforms (boot code properly setting the RWC bit) this
    gives a partial workaround for the way PCI isn't currently flagging devices
    that support PME# signals.  (Because of odd PCI init sequencing on PPC.)
    That's because many OHCI controllers support "legacy PCI PM" ... without
    involving any PCI PM capability.
    
    USB wakeup from STR, if it works on your system, may still involve
    tweaking things by hand in /proc/acpi/wakeup.
    Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
    Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
    6a9062f3
ohci-pci.c 6.3 KB