On Sunday, 28 October 2007 17:50, Alan Stern wrote: > On Sun, 28 Oct 2007, Rafael J. Wysocki wrote: > > > On Sunday, 28 October 2007 02:00, Oliver Martin wrote: > > > Hello, > > > > > > it seems that there is some dependency missing for CONFIG_USB_SUSPEND. > > > When I compile a kernel without CONFIG_SUSPEND, USB suspend doesn't work > > > (or at least doesn't expose its interface to userspace). > > > /sys/bus/usb/devices/.../power doesn't exist, but it is there when I > > > enable CONFIG_SUSPEND. So should CONFIG_USB_SUSPEND depend on > > > CONFIG_SUSPEND (or something selected by CONFIG_SUSPEND)? > > > > > > diff between the two configs follows, full config and dmesg for both > > > kernels is available at http://stud4.tuwien.ac.at/~e0626486/usb_suspend/ > > > (though the dmesg diff doesn't seem to be all that interesting). > > Actually I think the problem is the other way around. /sys/.../power > should exist whenever CONFIG_PM is defined, not just when > CONFIG_SUSPEND is enabled.
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