Messages in this thread | | | Date | Tue, 5 Sep 2006 12:59:39 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [linux-usb-devel] [RFC] USB device persistence across suspend-to-disk |
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On Tue, 5 Sep 2006, Randy.Dunlap wrote:
> > +Setting the "persist=y" module parameter for usbcore will cause the > > persist=1 ??
Either will work.
> > +kernel to work around these issues. If usbcore is build into the > > s/build/built/
Got it, thanks.
> > +main kernel instead of as a separate module, you can put > > +"usbcore.persist=1" on the boot command line. You can also change the > > +kernel's behavior on the fly using sysfs: Type > > + > > + echo y >/sys/module/usbcore/parameters/persist > > Does sysfs treat 'y' as '1'? > Anyway, it would be Good to be consistent.
Yes; I'll change everything to 'y'.
> > +structure. In effect, the kernel treats the device as though it had > > +merely been reset instead of unplugged. > > so does the USB device also retain its same USB address?
It does. It didn't seem worthwhile to mention that point, however.
> > - dev->have_langid = -1; > > + dev->have_langid = 1;
> Different patch (?).
When this is submitted for inclusion, that change will be broken out into a separate patch.
Alan Stern
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