[PATCH v2 10/29] drm/sun4i: Rename DE2 registers related macros

[Maxime Ripard]

Hi,

On Sun, Oct 07, 2018 at 11:38:46AM +0200, Jernej Skrabec wrote:
> In preparation to introduce DE3 support, change prefix from "SUN8I_" to
> "DE2_". Current prefix suggest that it's valid only for one family,
> whereas in reality, DE2 unit is used also on sun50i family.
> Additionally, it will be easier to distinguish DE3 specific macros by
> using "DE3_" prefix.
> 
> No functional change in this commit.

I'm not too sure about this one. There's basically two ways to look at
this: you described the first one, and the second one would be to
treat it as we do for the compatibles: the IP was introduced on one
SoC family, and then got used on some other ones.

Trying to always match the one you have however have a quite big
maintainance cost, as can be shown by your patch: you always have to
adapt comments, function names, defines, etc. This creates a lot of
useless churns (ie, non-functional changes) in the drivers, that need
to be written in the first place, and then reviewed.

It's just not worth it.

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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