2010/12/10 Felipe Balbi <balbi@xxxxxx>:
>
> Ok, found it. It's a Makefile issue for sure. See that in
> drives/Makefile we have:
>
> obj-$(CONFIG_USB_MUSB_HDRC) += usb/musb/
>
> since that evaluates to obj-m, looks like the Kbuild will only look for
> .ko files in that directory and won't link drivers/usb/musb/built-in.o
> to drivers/built-in.o and in turn it won't go into vmlinux.
>
> Now there's a catch, because omap2430.c (and the other glue layers) use
> a few symbols from musb_hdrc.ko so changing obj-$(CONFIG_USB_MUSB_HDRC)
> to obj-y won't help. Some deeper thinking will be needed to decouple
> glue layers even more from musb_hdrc.ko
>
> I'm willing to leave this patch as bugfix during 2.6.38-rc cycle. Which
> means current branch is ready to be pulled, I just have to add the omap4
> patches from Hema on top. Another pull request will follow.
Agree, this patches should be merged into -next as soon as possible.
I have a couple of patches already to clean up glue layer:
- support each glue driver compiled as standalone module
- support all glue drivers compiled into one single image which
can be run on multiple machines
thanks,
--
Lei Ming
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