Increase ARCH_NR_GPIO for ARCH_ASPEED?

[Andrew Jeffery]

On Wed, 20 Feb 2019, at 10:43, Tao Ren wrote:
> Hi Andrew,
> 
> On 2/17/19 9:11 PM, Andrew Jeffery wrote:
> > As an example, for Tiogapass, you should be able to define `CONFIG_ARCH_NR_GPIO = 1024` in tiogapass.cfg:
> > 
> > https://github.com/openbmc/meta-facebook/blob/master/meta-tiogapass/recipes-kernel/linux/linux-aspeed/tiogapass.cfg
> 
> I tried to define 'CONFIG_ARCH_NR_GPIO=1024' in <platform>.cfg, but 
> still, it's reset to 0 by "make olddefconfig".
> 
> Below are my steps (using the latest openbmc tree), and kindly let me 
> know if I missed something:
> 
> 1) added 'CONFIG_ARCH_NR_GPIO=1024' in 
> meta-ibm/meta-romulus/recipes-kernel/linux/linux-aspeed/romulus.cfg
> 2) export TEMPLATECONF=meta-ibm/meta-romulus/conf
> 3) . openbmc-env
> 4) ran "bitbake linux-aspeed"
> 5) checked 
> build/tmp/work/romulus-openbmc-linux-gnueabi/linux-aspeed/4.19.21+gitAUTOINC+d808d27f70-r0/linux-romulus-standard-build/.config: CONFIG_ARCH_NR_GPIO is reset to 0.

Ugh. I didn't try it myself, was just hoping that would work. Are you okay
to keep digging into why?