On Thu, 17 Mar 2005, Paul Mackerras wrote: > I am currently using this patch on my powerbook to fix the problems > that USB was causing with sleep and wakeup. Basically one of the USB > controllers was getting a spurious wakeup immediately when put it > into the suspend state. This would cause the resume routine to be run > after we had turned off the device, causing a machine check.
Is this just a hardware glitch or does it go deeper? > Also we had some races where we would turn off the clock to the apple > OHCI cell(s) and then try to access them. With this patch, sleep and > wakeup are quite reliable. The patch is against 2.6.11. Aside from the ppc-specific portions, the changes you made to hcd-pci.c resemble those I just posted in http://lists.osdl.org/pipermail/linux-pm/2005-March/000616.html (meant for the gregkh-2.6 USB development tree). Alan Stern ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
