RE: [PATCH 1/2] pinctrl: imx: Support building SCU pinctrl driver as module

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Hi, Daniel


> Subject: Re: [PATCH 1/2] pinctrl: imx: Support building SCU pinctrl driver as
> module
> 
> Hi Anson,
> 
> Few comments inline:
> 
> On 7/16/20 6:06 PM, Anson Huang wrote:
> > To support building i.MX SCU pinctrl driver as module, below things need to
> be changed:
> >
> >      - Export SCU related functions and use "IS_ENABLED" instead of
> >        "ifdef" to support SCU pinctrl driver user and itself to be
> >        built as module;
> >      - Use function callbacks for SCU related functions in pinctrl-imx.c
> >        in order to support the scenario of PINCTRL_IMX is built in
> >        while PINCTRL_IMX_SCU is built as module;
> >      - All drivers using SCU pinctrl driver need to initialize the
> >        SCU related function callback;
> >      - Change PINCTR_IMX_SCU to tristate;
> >      - Add module author, description and license.
> >
> > With above changes, i.MX SCU pinctrl driver can be built as module.
> 
> 
> There are a lot of changes here. I think it would be better to try to split them
> 
> per functionality. One functional change per patch.

Actually, I ever tried to split them, but the function will be broken. All the changes
are just to support the module build. If split them, the bisect will have pinctrl
build or function broken.

Thanks,
Anson




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