> > That summary _does_ assume a working system. ... > > I don't see what's really different? If the HC halted due to error, > wouldn't the devices disappear that are on the root hub?
What, you mean as if by magic without the HCD doing anything at all? Hardly not! (Peals of laughter.) Absolutely everything needs to be cleaned up "by hand" as it were. > > > When you remove all of that extra code, it appears to reduce down to a > > > single pci_pool_free call. Is that correct? > > > > No extra code ... that's wrong. As I said, it's possible that a QH > > may still be linked to the hardware after its URBs are unlinked. > > (Or for OHCI, an ED.) > > > > We know that (modulo bugs) all URBs will be unlinked when > > that code is called. We can't know that all QHs will be, since > > that involves a hardware handshake that for various reasons > > may not have been completed -- or even started -- by then. > > Then don't decrement the reference count until the QH is fully unlinked. I guess I don't see how what you suggest relates to anything. In what sense is that not being done already? - Dave _______________________________________________________________ Have big pipes? SourceForge.net is looking for download mirrors. We supply the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
