Messages in this thread | | | Date | Thu, 31 Jul 2003 10:32:33 -0700 | From | David Brownell <> | Subject | Re: [linux-usb-devel] Re: OHCI problems with suspend/resume |
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Pavel Machek wrote:
>>USB drivers don't talk suspend/resume yet, so they >>won't notice missing features there. Regressions >>are a different story though. >> >>But I can imagine that usb-storage (or is that SCSI?) >>might want to veto suspending devices that are being >>used for some kinds of i/o. Eventually it should exist. > > > For what kind of I/O? I do not see a reason for disk to veto > suspend. CD-burner might want to do that, but it still would be bad > idea... (Running on battery, battery goes low, and you destroy your CD > *and* your filesystem.
If it's in the middle of any kind of write, suspending would seem to be unwise. Say, writing to a swap partition...
Mostly I'm just saying that if vetoing ever makes sense (and I understand that it does), USB drivers will need to understand it too.
- Dave
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