new way of writing defconfigs for freescale's powerpc platforms

[Scott Wood]

On Thu, 2015-04-09 at 16:52 -0500, Pan Lijun-B44306 wrote:
> Hi Maintainers,
> 
> We have a proposal for writing the defconfigs for freescale's powperpc platforms in a new way.
> Can you take a look and provide some feedback?
> 
> You know currently we have mpc85xx_defconfig, corenet32_defconfig, bsc913x_defconfig, *fman*_defconfig, etc.
> We are going to extract some common parts from the existing defconfigs, and name it, say, fsl_basic_defconfig.
> Then, we could create some defconfigs targeting specific features or specific platforms.
> Say, features specific: kvm_defconfig, fman_defconfig, etc.
> Platforms specific: p1_defconfig, p2_defcongfig, p4_defconfig, t1_defconfig, t2_defconfig, t2_defconfig, b4_defconfig, etc
> When we want to make a kernel image for p1 platform,
> Using the following steps:
> 
> make ./scripts/kconfig/merge_config.sh arch/powerpc/configs/fsl_basic_config p1_defconfig
> make
> 
> What do you think of this new approach?
> Will you accept this approach?

I'm OK with a merge_config approach.

I'm not OK with having separate builds for p1/p2/p4/t1/t2/b4.

-Scott