Messages in this thread | | | Date | Fri, 24 Oct 2003 09:47:47 -0700 | From | David Brownell <> | Subject | Re: 2.4.23-pre8: link error with multiple USB Gadget drivers |
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Adrian Bunk wrote: > I'm getting the following link error when trying to compile multiple > Gadget drivers statically into the kernel:
... which is not a reasonable configuration, since only one of them could be active ...
> ... > IIRC this issue was fixed many months ago in 2.6, and a similar fix > (disallowing multiple Gadget drivers) is also needed in 2.4 .
Do you know a good way to do that? This is an example of something where the 2.4 "Config.in" commands don't seem to offer even a vaguely sensible way to constrain the configuration. Or maybe you need to be more expert in it than I am.
The rules for the moment should -- but AFAICT can't -- enforce:
- Only one gadget controller driver, linked statically or as a module. (Example: net2280 or goku_udc, both on PCI.) - If controller driver is statically linked, either: * at most one gadget driver statically linked * any number of gadget drivers, linked as modules - Else if controller driver is linked as a module: * any number of gadget drivers, linked as modules
The 2.6 Kconfig is closest to supporting those rules, though I don't know how to restrict it to "only one controller driver" regardless of how it's linked.
I'd be open to a better solution than relying on the person configuring the system to not make mistakes.
- Dave
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