Messages in this thread | | | Date | Mon, 29 Sep 2003 12:42:29 -0700 | From | David Brownell <> | Subject | Re: [linux-usb-devel] Sync problem with Ethernet-over-USB driver and Qtopia desktop |
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Hong Feng wrote: > Hi All, > > I met a very funny problem. I am writing the ethernet-over-usb driver > for our PDA based on embedded Linux and QT/Qtopia. ... > > Who knows the problem, please give me some comments. BTW, the kernel > version is 2.4.18. QT's version is 2.3.6. Qtopia's version is 1.6.2.
And on what sort of hardware?
If you're writing your own ethernet-over-usb driver, perhaps the problem is somewhere in that stack. Either that ethernet driver, or the one for your USB device controller could have the bugs.
The ethernet-over-usb driver in the "gadget" stack should behave quite nicely. It's the only network link on two systems I've got running right now: a net2280 on an NForce2 box (where 2.6 of course doesn't support the built-in ethernet); and a pxa255 (for nfsroot, MTD has acted broken on that hardware). Neither one has shown me the kind of un-usability problems you describe, using either 2.4 or 2.6 kernels. The network "just works", as it should. On the other hand, I'm not using Qtopia ... ;)
See http://www.linux-usb.org/gadget/ for more information about that stack, and the 2.6 kerneldoc for printable API reference.
- Dave
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