David Brownell wrote:
>
> > http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/linux-usb/hcd/
>
> Yep, I think I got that problem that'd been so annoying. With
> current CVS and a prototype USB 2.0 storage device, this now
> hotplugs usb-storage ... usb-storage gets past its first bulk request,
> hangs on the second, and then gets unhappy when I unload the
> ehci-hcd module while it's still trying to probe that device! :)
Do you think it is:
1. the bulk code in EHCI
2. the mass storage driver
3. the device
4. some other problem?
> Now would likely be a good time for folk who have access to
> USB 2.0 devices to start finding more bugs. Ones fixed since
> the last snapshot (ehci-0305.patch) include:
>
> - enumeration works without needing a usbcore hack;
> - uses pci_pool
> - fixes various nasties in the rmmod/disconnect paths;
> - fixes for readl/writel ... pci write posting, no byteswapping
> - should behave on some systems with 64bit dma_addr_t
Is this the Annex A behaviour?
> - deletes microframe-level scheduling hook
> - random other updates
Thanks for this stuff. I may have enough time to look at it tomorrow, but I am
away next week.
We still need -ac patches, right? Maybe that hub code for USB 2.0 needs to go
into 2.4.5?
Brad
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