[PATCH v3 0/8] ARM: sunxi: Add Reduced Serial Bus support

[Mark Brown]

On Wed, Aug 19, 2015 at 12:20:01PM +0800, Chen-Yu Tsai wrote:
> Hi everyone,
> 
> This is my third attempt at adding support for Allwinner's Reduced
> Serial Bus (RSB), which is used to communicate with PMICs and other
> peripherals on their newer SoCs, such as the A23/A33/A80.

This is flagged as something that is specific to the Allwinner SoCs.
Why add generic regmap support rather than just implement the regmap
reg_read() and reg_write() in a regmap in the controller driver?  Are
there expected to be other controller drivers from other vendors?
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