Re: [PATCH 3/6] gpio: Add GPIO support for the ST Multi-Function eXpander

[Amelie DELAUNAY <amelie.delaunay@xxxxxx>]

On 02/22/2018 02:47 PM, Linus Walleij wrote:
> On Thu, Feb 8, 2018 at 3:27 PM, Amelie Delaunay <amelie.delaunay@xxxxxx> wrote:
> 
>> ST Multi-Function eXpander (MFX) can be used as GPIO expander.
>> It has 16 fast GPIOs and can have 8 extra alternate GPIOs
>> when other MFX features are not enabled.
>>
>> Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
> 
> As mentioned I think this driver needs to:
> 
> - Move to drivers/pinctrl/pinctrl-stmfx.c similar to the sx150x controller.
> - Pass a regmap around instead of the custom accessor functions.

I study this right now!
Thanks,
Amelie

> - Maybe refactor and reuse STMPE infrastructure
> 
> Yours,
> Linus Walleij
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