[BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc selectsCONFIG_INTEL_IOATDMA=y

[Brice Goglin]

Brandeburg, Jesse wrote:
> What we want, is myri10ge and ixgbe drivers that can build whether or not CONFIG_INTEL_IOATDMA is enabled.  IF CONFIG_INTEL_IOATDMA *is* enabled (which it should not be on PPC) then there are several cases we want to work:
> CONFIG_INTEL_IOATDMA=m  ---> CONFIG_IXGBE=[m|n]
> CONFIG_INTEL_IOATDMA=y  ---> CONFIG_IXGBE=[m|y|n]
> CONFIG_INTEL_IOATDMA=n  ---> CONFIG_IXGBE=[m|y|n]
> CONFIG_INTEL_IOATDMA depends on X86
>   

I am not sure I want to prevent myri10ge=y just because ioatdma=m.

I would vote for adding some Kconfig stuff to define CONFIG_MYRI10GE_DCA
as boolean set to yes if (IOATDMA=y and MYRI10GE=y/m) or (IOATDMA=m and
MYRI10GE=m). And then use #ifdef CONFIG_MYRI10GE_DCA in the driver source.

Brice