[PATCH V2 1/3] dt: palmas: support IRQ inversion at the board level

[Mark Brown]

On Mon, Mar 03, 2014 at 09:41:36AM -0700, Stephen Warren wrote:

> 2) We can go through every single interrupt controller's DT binding and
> driver, and implement (document and parse) the new IRQ specifier flag
> there, and pass it throgh the Linux IRQ stack, yet we still need code in
> every IC driver to actually read the flag, so we haven't removed any
> code. It seems /much/ simpler, and no more of a maintenance or
> consistency burden, to just have the IC driver read the flag directly
> from their own DT.

Why does this have to be handled by the chip drivers?  Can't the
interrupt controller configured in a way that the chip drivers never
need to see it at all, for example by adding a "override the mode for
this input" flag inside the device?
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