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    SubjectRe: [PATCH 01/19] Add XHFC support for embedded Speech-Design board to hfcmulti
    On Mittwoch, 20. Mai 2009 13:38:13 Andi Kleen wrote:
    > Hi Karsten,
    > > This config is not set by mISDN, it is set by somepowerpc sub arch.
    > That still seems like a rather quirky way to do this then, making
    > drivers dependent on specific architectures. This kind
    > of thing lead to ifdef jungles in the past, hopefully not done
    > again in new drivers.

    Andy, thanks for you comments.

    Yes I did not like this part as well and this was the reason why I did not
    include this patch in my previous update in January. I only fixed some
    codestyle issues now.

    Let discuss this with the author (CC'ed now).

    > Standard ways to handle this:
    > - If the driver needs something special only this architecture can
    > provide make the architecture set a special HAS... config option.
    > - Provide a special asm include file that is stubbed out
    > by other architectures.
    > - Put the arch specific code in another file and make that dependent on the
    > HAS_... symbol in the Makefile.

    Do you have a pointer to a good example here ?

    It seems that this architecture (used by an existing embedded board) have
    very specific IO method to this hardware so this should go into a separate


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