Re: [PATCH v2 4/4] ARM: dts: mt8135: Add pinctrl node for mt8135.
From: Arnd Bergmann
Date: Tue Sep 23 2014 - 10:11:25 EST
On Tuesday 23 September 2014 21:58:14 Joe. C wrote:
> Thanks for review.
> The intend for these macros is helpin pinctrl user to write DT node.
> With these macro, we could write like this for i2c0:
>
> mediatek,pinfunc = <MT8135_PIN_100_SDA0__FUNC_SDA0
> MT8135_PIN_101_SCL0__FUNC_SCL0>;
>
> We feel this is less error prone and easier to write than this:
>
> mediatek,pinfunc = <MT_PIN_FUNC(100, 1) MT_PIN_FUNC(101, 1)>
But you don't actually use the same macros in the driver, so in effect
you just move the definitions from the file they are needed in to another
file as a macro.
It is no less error prone to define those macros in mt8135-pinfunc.h
than in the pinctrl node, just less readable.
Arnd
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