On Tuesday 28 September 2004 11:30 am, Alan Stern wrote: > > > > Well, USB selective suspend now supports putting devices into the USB > > > suspend state. It could also support turning off Vbus power entirely > > > (without destroying the struct usb_device -- a true power-off selective > > > suspend). > > > > No, that's a nonsense state for USB ... unless someone creates lots > > of infrastructure to remember the devices that were present. That > > got ripped out of usb-storage (on request from Linus, ISTR)... > > The problem is, we have to support it for STD (and maybe STR too) if > there's no suspend power available when the system is off. Otherwise all > the USB disk drives will vanish when the system resumes. That's going to > be particularly bothersome for people who keep their root fs on a USB > drive... :-)
Which is rather stupid except when whole system (hardware, boot firmware, Linux) keeps that USB bus in suspend state, and reports (fatal) errors on resume in other cases. There are an absurd number of errors to handle otherwise. There are a lot more important things to get working first. - Dave ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
