On Sat, 22 Sep 2007, Hans de Goede wrote: > >> Now call me naive, but I would expect a mass-storage devices with no > >> partitions mounted to autosuspend when autosuspend is enabled for that > >> device. > > > > Yes, that is naive. The driver has no way to tell whether or not any > > partitions are mounted. Furthermore, you might very well want to > > access the raw device without mounting any partitions (database > > managers frequently do such things to reduce I/O overhead), in which > > case you certainly would not the device to be autosuspended. > > > > How does this relate to your "It works fine on my systems" remark, do I need > to > do anything other the unmounting the paritions to make the device eligible > for > autosuspend, like unbind the sd driver or even the usb-storage driver?
You shouldn't have to do anything. Mounted or unmounted, bound to sd or not bound, it shouldn't matter. Provided the device isn't being used, it ought to autosuspend. I repeat: To find out what is really happening, you should use usbmon. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
