How to handle GPIO differences between P8 and P9

[Andrew Jeffery]

On Tue, 2016-11-08 at 15:38 -0800, Xo Wang wrote:
> FYI something that I didn't implement was adding GPIO polarity
> support into libopenbmc_intf/gpio. So, all the polarity (active
> high/low) logic needs to be handled by the application, which is less
> than ideal.

Ultimately this should be handled by the kernel via devicetree and
pinconf. I'd hold off on fixing the application because of that, but
there's also no timeline for implementing pinconf support in pinctrl.

Andrew

> 
> cheers
> xo
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