Re: [PATCH 0/2] Add a regmap to Allwinner R40 CCU to export GMAC register

[Maxime Ripard]

On Fri, Oct 06, 2017 at 06:33:31AM +0000, Icenowy Zheng wrote:
> In the CCU of the Allwinner R40 SoC, there's a GMAC configuration register,
> which is intended to be accessed by the dwmac-sun8i driver. On SoCs already
> supported by the driver the register is placed in the syscon rather than
> the CCU.
> 
> As CCU is a critical part of the SoC, so write to it should be strictly
> limited. A regmap with restricted write permission is created by the R40
> CCU driver, and can be get with dev_get_regmap. In order to tie the regmap
> to the CCU device, the R40 CCU is now a platform driver, so a platform
> device is created for it (and then tied with the regmap).
> 
> The first patch does the conversion of the driver to a platform driver,
> and the second patch adds the regmap.

I'd like to see first what you want to do with it.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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